diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java b/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
index 080154c..976ec7c 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/aql/translator/AqlTranslator.java
@@ -1368,7 +1368,17 @@
                     }
                     response.put("results", results);
                 }
-                out.print(response);
+                switch (pdf) {
+                    case HTML:
+                        out.println("<pre>");
+                        ResultUtils.prettyPrintHTML(out, response);
+                        out.println("</pre>");
+                        break;
+                    case TEXT:
+                    case JSON:
+                        out.print(response);
+                        break;
+                }
                 hcc.waitForCompletion(jobId);
             }
 
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCApplicationEntryPoint.java b/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCApplicationEntryPoint.java
index 9468a68..4e5fde1 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCApplicationEntryPoint.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/hyracks/bootstrap/NCApplicationEntryPoint.java
@@ -64,6 +64,9 @@
                 LOGGER.info("Stopping Asterix node controller: " + nodeId);
             }
 
+            IRecoveryManager recoveryMgr = runtimeContext.getTransactionSubsystem().getRecoveryManager();
+            recoveryMgr.checkpoint(true);
+
             if (isMetadataNode) {
                 MetadataBootstrap.stopUniverse();
             }
@@ -82,7 +85,8 @@
         if (systemState == SystemState.NEW_UNIVERSE) {
             PersistentLocalResourceRepository localResourceRepository = (PersistentLocalResourceRepository) runtimeContext
                     .getLocalResourceRepository();
-            localResourceRepository.initialize(nodeId, proxy.getAsterixProperties().getStores().get(nodeId)[0], true, null);
+            localResourceRepository.initialize(nodeId, proxy.getAsterixProperties().getStores().get(nodeId)[0], true,
+                    null);
         }
 
         isMetadataNode = nodeId.equals(proxy.getAsterixProperties().getMetadataNodeName());
diff --git a/asterix-app/src/main/java/edu/uci/ics/asterix/result/ResultUtils.java b/asterix-app/src/main/java/edu/uci/ics/asterix/result/ResultUtils.java
index e923821..dec3128 100644
--- a/asterix-app/src/main/java/edu/uci/ics/asterix/result/ResultUtils.java
+++ b/asterix-app/src/main/java/edu/uci/ics/asterix/result/ResultUtils.java
@@ -15,6 +15,7 @@
 package edu.uci.ics.asterix.result;
 
 import java.io.IOException;
+import java.io.PrintWriter;
 import java.nio.ByteBuffer;
 
 import org.json.JSONArray;
@@ -62,4 +63,20 @@
         }
         return errorResp;
     }
+
+    public static void prettyPrintHTML(PrintWriter out, JSONObject jsonResultObj) {
+        JSONArray resultsWrapper;
+        JSONArray resultsArray;
+        try {
+            resultsWrapper = jsonResultObj.getJSONArray("results");
+            for (int i = 0; i < resultsWrapper.length(); i++) {
+                resultsArray = resultsWrapper.getJSONArray(i);
+                for (int j = 0; j < resultsArray.length(); j++) {
+                    out.print(resultsArray.getString(j));
+                }
+            }
+        } catch (JSONException e) {
+            // TODO(madhusudancs): Figure out what to do when JSONException occurs while building the results.
+        }
+    }
 }
diff --git a/asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java b/asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java
index dbc326a..2519544 100644
--- a/asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java
+++ b/asterix-app/src/test/java/edu/uci/ics/asterix/test/metadata/MetadataTest.java
@@ -14,12 +14,23 @@
  */
 package edu.uci.ics.asterix.test.metadata;
 
+import java.io.BufferedReader;
 import java.io.File;
+import java.io.FileReader;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 import java.util.logging.Logger;
 
+import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
+import org.apache.commons.httpclient.HttpClient;
+import org.apache.commons.httpclient.HttpStatus;
+import org.apache.commons.httpclient.NameValuePair;
+import org.apache.commons.httpclient.methods.GetMethod;
+import org.apache.commons.httpclient.params.HttpMethodParams;
 import org.apache.commons.io.FileUtils;
+import org.json.JSONObject;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -31,6 +42,8 @@
 import edu.uci.ics.asterix.common.config.GlobalConfig;
 import edu.uci.ics.asterix.test.aql.TestsUtils;
 import edu.uci.ics.asterix.testframework.context.TestCaseContext;
+import edu.uci.ics.asterix.testframework.context.TestFileContext;
+import edu.uci.ics.asterix.testframework.xml.TestCase.CompilationUnit;
 
 /**
  * Executes the Metadata tests.
@@ -46,38 +59,6 @@
     private static final String TEST_CONFIG_FILE_NAME = "test.properties";
     private static final String WEB_SERVER_PORT = "19002";
 
-    public MetadataTest(TestCaseContext tcCtx) {
-        this.tcCtx = tcCtx;
-    }
-
-    @Test
-    public void test() throws Exception {
-        // TODO(madhusudancs): Uncomment
-        /*
-        List<CompilationUnit> cUnits = tcCtx.getTestCase().getCompilationUnit();
-        for (CompilationUnit cUnit : cUnits) {
-            File testFile = tcCtx.getTestFile(cUnit);
-            
-            File expectedResultFile = tcCtx.getExpectedResultFile(cUnit);
-            File actualFile = new File(PATH_ACTUAL + File.separator
-                    + tcCtx.getTestCase().getFilePath().replace(File.separator, "_") + "_" + cUnit.getName() + ".adm");
-
-            File actualResultFile = tcCtx.getActualResultFile(cUnit, new File(PATH_ACTUAL));
-            actualResultFile.getParentFile().mkdirs();
-            try {
-                // Khurram
-                //TestsUtils.runScriptAndCompareWithResult(AsterixHyracksIntegrationUtil.getHyracksClientConnection(),
-                        // testFile, new PrintWriter(System.err), expectedResultFile, actualFile);
-            } catch (Exception e) {
-                LOGGER.severe("Test \"" + testFile + "\" FAILED!");
-                e.printStackTrace();
-                if (cUnit.getExpectedError().isEmpty()) {
-                    throw new Exception("Test \"" + testFile + "\" FAILED!", e);
-                }
-            }
-        }*/
-    }
-
     @BeforeClass
     public static void setUp() throws Exception {
         System.setProperty(GlobalConfig.CONFIG_FILE_PROPERTY, TEST_CONFIG_FILE_NAME);
@@ -87,7 +68,7 @@
 
         File log = new File("asterix_logs");
         if (log.exists()) {
-            FileUtils.deleteDirectory(log); 
+            FileUtils.deleteDirectory(log);
         }
 
         AsterixHyracksIntegrationUtil.init();
@@ -110,7 +91,7 @@
 
         File log = new File("asterix_logs");
         if (log.exists()) {
-            FileUtils.deleteDirectory(log); 
+            FileUtils.deleteDirectory(log);
         }
     }
 
@@ -124,4 +105,181 @@
         return testArgs;
     }
 
+    public MetadataTest(TestCaseContext tcCtx) {
+        this.tcCtx = tcCtx;
+    }
+
+    // Method that reads a DDL/Update/Query File
+    // and returns the contents as a string
+    // This string is later passed to REST API for execution.
+    public String readTestFile(File testFile) throws Exception {
+        BufferedReader reader = new BufferedReader(new FileReader(testFile));
+        String line = null;
+        StringBuilder stringBuilder = new StringBuilder();
+        String ls = System.getProperty("line.separator");
+
+        while ((line = reader.readLine()) != null) {
+            stringBuilder.append(line);
+            stringBuilder.append(ls);
+        }
+
+        return stringBuilder.toString();
+    }
+
+    // To execute DDL and Update statements
+    // create type statement
+    // create dataset statement
+    // create index statement
+    // create dataverse statement
+    // create function statement
+    public void executeDDL(String str) throws Exception {
+        final String url = "http://localhost:19101/ddl";
+
+        // Create an instance of HttpClient.
+        HttpClient client = new HttpClient();
+
+        // Create a method instance.
+        GetMethod method = new GetMethod(url);
+
+        method.setQueryString(new NameValuePair[] { new NameValuePair("ddl", str) });
+
+        // Provide custom retry handler is necessary
+        method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
+
+        // Execute the method.
+        int statusCode = client.executeMethod(method);
+
+        // Read the response body as String.
+        String responseBody = method.getResponseBodyAsString();
+
+        // Check if the method was executed successfully.
+        if (statusCode != HttpStatus.SC_OK) {
+            System.err.println("Method failed: " + method.getStatusLine());
+        }
+    }
+
+    // To execute Update statements
+    // Insert and Delete statements are executed here
+    public void executeUpdate(String str) throws Exception {
+        final String url = "http://localhost:19101/update";
+
+        // Create an instance of HttpClient.
+        HttpClient client = new HttpClient();
+
+        // Create a method instance.
+        GetMethod method = new GetMethod(url);
+
+        method.setQueryString(new NameValuePair[] { new NameValuePair("statements", str) });
+
+        // Provide custom retry handler is necessary
+        method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
+
+        // Execute the method.
+        int statusCode = client.executeMethod(method);
+
+        // Read the response body as String.
+        String responseBody = method.getResponseBodyAsString();
+
+        // Check if the method was executed successfully.
+        if (statusCode != HttpStatus.SC_OK) {
+            System.err.println("Method failed: " + method.getStatusLine());
+        }
+    }
+
+    // Executes Query and returns results as JSONArray
+    public JSONObject executeQuery(String str) throws Exception {
+
+        final String url = "http://localhost:19101/query";
+
+        // Create an instance of HttpClient.
+        HttpClient client = new HttpClient();
+
+        // Create a method instance.
+        GetMethod method = new GetMethod(url);
+
+        method.setQueryString(new NameValuePair[] { new NameValuePair("query", str) });
+
+        // Provide custom retry handler is necessary
+        method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
+
+        JSONObject result = null;
+
+        try {
+            // Execute the method.
+            int statusCode = client.executeMethod(method);
+
+            // Check if the method was executed successfully.
+            if (statusCode != HttpStatus.SC_OK) {
+                System.err.println("Method failed: " + method.getStatusLine());
+            }
+
+            // Read the response body as String.
+            String responseBody = method.getResponseBodyAsString();
+
+            result = new JSONObject(responseBody);
+        } catch (Exception e) {
+            System.out.println(e.getMessage());
+            e.printStackTrace();
+        }
+        return result;
+    }
+
+    @Test
+    public void test() throws Exception {
+        List<TestFileContext> testFileCtxs;
+        List<TestFileContext> expectedResultFileCtxs;
+
+        File testFile;
+        File expectedResultFile;
+        String statement;
+
+        int queryCount = 0;
+        JSONObject result;
+
+        List<CompilationUnit> cUnits = tcCtx.getTestCase().getCompilationUnit();
+        for (CompilationUnit cUnit : cUnits) {
+            testFileCtxs = tcCtx.getTestFiles(cUnit);
+            expectedResultFileCtxs = tcCtx.getExpectedResultFiles(cUnit);
+
+            for (TestFileContext ctx : testFileCtxs) {
+                testFile = ctx.getFile();
+                statement = readTestFile(testFile);
+                try {
+                    switch (ctx.getType()) {
+                        case "ddl":
+                            executeDDL(statement);
+                            break;
+                        case "update":
+                            executeUpdate(statement);
+                            break;
+                        case "query":
+                            result = executeQuery(statement);
+                            if (!cUnit.getExpectedError().isEmpty()) {
+                                if (!result.has("error")) {
+                                    throw new Exception("Test \"" + testFile + "\" FAILED!");
+                                }
+                            } else {
+                                expectedResultFile = expectedResultFileCtxs.get(queryCount).getFile();
+                                TestsUtils
+                                        .runScriptAndCompareWithResult(
+                                                AsterixHyracksIntegrationUtil.getHyracksClientConnection(), testFile,
+                                                new PrintWriter(System.err), expectedResultFile,
+                                                result.getJSONArray("results"));
+                            }
+                            queryCount++;
+                            break;
+                        default:
+                            throw new IllegalArgumentException("No statements of type " + ctx.getType());
+                    }
+                } catch (Exception e) {
+                    LOGGER.severe("Test \"" + testFile + "\" FAILED!");
+                    e.printStackTrace();
+                    if (cUnit.getExpectedError().isEmpty()) {
+                        throw new Exception("Test \"" + testFile + "\" FAILED!", e);
+                    }
+                }
+            }
+        }
+    }
+
 }
diff --git a/asterix-app/src/test/resources/metadata/queries/basic/meta10/meta10.3.query..aql b/asterix-app/src/test/resources/metadata/queries/basic/meta10/meta10.3.query.aql
similarity index 100%
rename from asterix-app/src/test/resources/metadata/queries/basic/meta10/meta10.3.query..aql
rename to asterix-app/src/test/resources/metadata/queries/basic/meta10/meta10.3.query.aql
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_dataset/exception_drop_dataset.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_dataset/exception_drop_dataset.1.ddl.aql
new file mode 100644
index 0000000..4cce09a
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_dataset/exception_drop_dataset.1.ddl.aql
@@ -0,0 +1 @@
+drop dataset DBLP;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_dataverse/exception_drop_dataverse.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_dataverse/exception_drop_dataverse.1.ddl.aql
new file mode 100644
index 0000000..b92618e
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_dataverse/exception_drop_dataverse.1.ddl.aql
@@ -0,0 +1 @@
+drop dataverse fuzzyjoin;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_index/exception_drop_index.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_index/exception_drop_index.1.ddl.aql
new file mode 100644
index 0000000..386a71d
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_index/exception_drop_index.1.ddl.aql
@@ -0,0 +1 @@
+drop index Cust.ord;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_nodegroup/exception_drop_nodegroup.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_nodegroup/exception_drop_nodegroup.1.ddl.aql
new file mode 100644
index 0000000..664f52f
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_nodegroup/exception_drop_nodegroup.1.ddl.aql
@@ -0,0 +1 @@
+drop nodegroup group1;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_type1/exception_drop_type1.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_type1/exception_drop_type1.1.ddl.aql
new file mode 100644
index 0000000..4c6c7ae
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_type1/exception_drop_type1.1.ddl.aql
@@ -0,0 +1 @@
+drop type AddressType;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_type2/exception_drop_type2.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_type2/exception_drop_type2.1.ddl.aql
new file mode 100644
index 0000000..b97b812
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_type2/exception_drop_type2.1.ddl.aql
@@ -0,0 +1 @@
+drop type CustomerType;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_type3/exception_drop_type3.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_type3/exception_drop_type3.1.ddl.aql
new file mode 100644
index 0000000..3812745
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/exception_drop_type3/exception_drop_type3.1.ddl.aql
@@ -0,0 +1 @@
+drop type StreetType;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_1/issue_239_drop_system_dataset_1.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_1/issue_239_drop_system_dataset_1.1.ddl.aql
new file mode 100644
index 0000000..f4547d6
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_1/issue_239_drop_system_dataset_1.1.ddl.aql
@@ -0,0 +1,8 @@
+/*
+ * Description  : Drop a system dataset- Metadata.Dataset
+ * Expected Res : Failure
+ * Date         : 13 Jan 2013
+ * Issue        : 239
+ */
+
+drop dataset Metadata.Dataset;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_2/issue_239_drop_system_dataset_2.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_2/issue_239_drop_system_dataset_2.1.ddl.aql
new file mode 100644
index 0000000..d62bb49
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_2/issue_239_drop_system_dataset_2.1.ddl.aql
@@ -0,0 +1,8 @@
+/*
+ * Description  : Drop a system dataset- Metadata.Dataset
+ * Expected Res : Failure
+ * Date         : 13 Jan 2013
+ * Issue        : 239
+ */
+
+drop dataset Metadata.Dataverse;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_3/issue_239_drop_system_dataset_3.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_3/issue_239_drop_system_dataset_3.1.ddl.aql
new file mode 100644
index 0000000..96dd8cc
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_3/issue_239_drop_system_dataset_3.1.ddl.aql
@@ -0,0 +1,8 @@
+/*
+ * Description  : Drop a system dataset- Metadata.Nodegroup
+ * Expected Res : Failure
+ * Date         : 13 Jan 2013
+ * Issue        : 239
+ */
+
+drop dataset Metadata.Nodegroup;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_4/issue_239_drop_system_dataset_4.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_4/issue_239_drop_system_dataset_4.1.ddl.aql
new file mode 100644
index 0000000..7685427
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_4/issue_239_drop_system_dataset_4.1.ddl.aql
@@ -0,0 +1,8 @@
+/*
+ * Description  : Drop a system dataset- Metadata.Index
+ * Expected Res : Failure
+ * Date         : 13 Jan 2013
+ * Issue        : 239
+ */
+
+drop dataset Metadata.Index;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_5/issue_239_drop_system_dataset_5.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_5/issue_239_drop_system_dataset_5.1.ddl.aql
new file mode 100644
index 0000000..5e6e468
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_5/issue_239_drop_system_dataset_5.1.ddl.aql
@@ -0,0 +1,8 @@
+/*
+ * Description  : Drop a system dataset- Metadata.DatasourceAdapter
+ * Expected Res : Failure
+ * Date         : 13 Jan 2013
+ * Issue        : 239
+ */
+
+drop dataset Metadata.DatasourceAdapter;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_6/issue_239_drop_system_dataset_6.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_6/issue_239_drop_system_dataset_6.1.ddl.aql
new file mode 100644
index 0000000..0eb863f
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_6/issue_239_drop_system_dataset_6.1.ddl.aql
@@ -0,0 +1,8 @@
+/*
+ * Description  : Drop a system dataset- Metadata.Function
+ * Expected Res : Failure
+ * Date         : 13 Jan 2013
+ * Issue        : 239
+ */
+
+drop dataset Metadata.Function;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_7/issue_239_drop_system_dataset_7.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_7/issue_239_drop_system_dataset_7.1.ddl.aql
new file mode 100644
index 0000000..6794d04
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_7/issue_239_drop_system_dataset_7.1.ddl.aql
@@ -0,0 +1,8 @@
+/*
+ * Description  : Drop a system dataset- Metadata.Datatype
+ * Expected Res : Failure
+ * Date         : 13 Jan 2013
+ * Issue        : 239
+ */
+
+drop dataset Metadata.Datatype;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_8/issue_239_drop_system_dataset_8.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_8/issue_239_drop_system_dataset_8.1.ddl.aql
new file mode 100644
index 0000000..d75e27a
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_239_drop_system_dataset_8/issue_239_drop_system_dataset_8.1.ddl.aql
@@ -0,0 +1,8 @@
+/*
+ * Description  : Drop a system dataset- Metadata.Node
+ * Expected Res : Failure
+ * Date         : 13 Jan 2013
+ * Issue        : 239
+ */
+
+drop dataset Metadata.Node;
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_251_dataset_hint_error_1/issue_251_dataset_hint_error_1.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_251_dataset_hint_error_1/issue_251_dataset_hint_error_1.1.ddl.aql
new file mode 100644
index 0000000..eb3f3dc
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_251_dataset_hint_error_1/issue_251_dataset_hint_error_1.1.ddl.aql
@@ -0,0 +1,19 @@
+/*
+ * Description  : create a dataset providing invalid hints
+ * Expected Res : Failure
+ * Date         : 29 Jan 2013
+ * Issue        : 251
+ */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type LineType as open {
+  id:int32,
+  text: string
+}
+
+create dataset Book(LineType)
+primary key id
+hints(size=2000,tuple_size=100);
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_251_dataset_hint_error_2/issue_251_dataset_hint_error_2.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_251_dataset_hint_error_2/issue_251_dataset_hint_error_2.1.ddl.aql
new file mode 100644
index 0000000..4478693
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_251_dataset_hint_error_2/issue_251_dataset_hint_error_2.1.ddl.aql
@@ -0,0 +1,21 @@
+/*
+ * Description  : create a dataset providingi an invalid value for a hint and an unknown hint
+ * Expected Res : Failure
+ * Date         : 29 Jan 2013
+ * Issue        : 251
+ */
+
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type LineType as open {
+  id:int32,
+  text: string
+}
+
+create dataset Book(LineType)
+primary key id
+hints(cardinality="-20jh0",size=45);
+
diff --git a/asterix-app/src/test/resources/metadata/queries/exception/issue_251_dataset_hint_error_2/issue_251_dataset_hint_error_2.2.query.aql b/asterix-app/src/test/resources/metadata/queries/exception/issue_251_dataset_hint_error_2/issue_251_dataset_hint_error_2.2.query.aql
new file mode 100644
index 0000000..a1bb05e
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/exception/issue_251_dataset_hint_error_2/issue_251_dataset_hint_error_2.2.query.aql
@@ -0,0 +1,12 @@
+/*
+ * Description  : create a dataset providingi an invalid value for a hint and an unknown hint
+ * Expected Res : Failure
+ * Date         : 29 Jan 2013
+ * Issue        : 251
+ */
+
+use dataverse Metadata;
+
+for $x in dataset('Metadata.Dataset')
+where $x.DataverseName='test'
+return $x
diff --git a/asterix-app/src/test/resources/metadata/queries/transaction/failure_previous_success/failure_previous_success.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/transaction/failure_previous_success/failure_previous_success.1.ddl.aql
new file mode 100644
index 0000000..5250eef
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/transaction/failure_previous_success/failure_previous_success.1.ddl.aql
@@ -0,0 +1,54 @@
+/*
+ * Description  : Cause a failure by creating an existing type. Verify that rollback does not affect the pre-existing types.
+ *                Verification is done in a separate session (compilation unit).
+ * Expected Res : Success
+ * Date         : 24 Nov 2012
+ */
+drop dataverse custord if exists;
+
+create dataverse custord;
+
+use dataverse custord;
+
+create type StreetType as closed {
+  number: int32?,
+  name: string
+}
+
+create type AddressType as open {
+  street: StreetType,
+  city: string,
+  state: string,
+  zip: int16
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: {{string}},
+  children: [ {
+             name : string,
+             dob : string
+             } ]
+}
+
+create type OrderType as open {
+  oid: int32,
+  cid: int32,
+  orderstatus: string,
+  orderpriority: string,
+  clerk: string,
+  total: float,
+  items: [ {
+       number: int64,
+       storeIds: {{int8}} 
+       } ]
+}
+
+
+create type StreetType as closed {
+  number: int32?,
+  name: string
+}
diff --git a/asterix-app/src/test/resources/metadata/queries/transaction/failure_subsequent_no_execution/failure_subsequent_no_execution.1.ddl.aql b/asterix-app/src/test/resources/metadata/queries/transaction/failure_subsequent_no_execution/failure_subsequent_no_execution.1.ddl.aql
new file mode 100644
index 0000000..19b87a2
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/transaction/failure_subsequent_no_execution/failure_subsequent_no_execution.1.ddl.aql
@@ -0,0 +1,47 @@
+/*
+ * Description  : Create dataverse, types, nodegroup and a dataset. Cause exception by re-creating nodegroup. 
+ *                Subsequent statement(s) should not executed. This is verified in a separate session (compilation unit)
+ * Expected Res : Exception
+ * Date         : 24 Nov 2012
+ */
+drop dataverse custord if exists;
+
+create dataverse custord;
+
+use dataverse custord;
+
+create type StreetType as closed {
+  number: int32?,
+  name: string
+}
+
+create type AddressType as open {
+  street: StreetType,
+  city: string,
+  state: string,
+  zip: int16
+}
+
+create type CustomerType as closed {
+  cid: int32, 
+  name: string,
+  age: int32?,
+  address: AddressType?,
+  interests: {{string}},
+  children: [ {
+             name : string,
+             dob : string
+             } ]
+}
+
+create nodegroup group1 if not exists on nc1, nc2;
+
+create dataset Customers(CustomerType)
+  primary key cid, name on group1;
+
+create nodegroup group1 on nc1, nc2;
+
+// the following statement should not get executed 
+// as the above statement causes an exception
+create index custName on Customers(name, cid);
+  
diff --git a/asterix-app/src/test/resources/metadata/queries/transaction/verify_failure_previous_success/verify_failure_previous_success.3.query.aql b/asterix-app/src/test/resources/metadata/queries/transaction/verify_failure_previous_success/verify_failure_previous_success.3.query.aql
new file mode 100644
index 0000000..9bee569
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/transaction/verify_failure_previous_success/verify_failure_previous_success.3.query.aql
@@ -0,0 +1,11 @@
+/*
+ * Description  : Verify the state of the Metadata adter the failure caused in failure_previous_success.aql 
+ * Expected Res : Success
+ * Date         : 24 Nov 2012
+ */
+
+use dataverse custord;
+
+for $x in dataset('Metadata.Datatype')
+where $x.DataverseName='custord'
+return $x
diff --git a/asterix-app/src/test/resources/metadata/queries/transaction/verify_failure_subsequent_no_execution/verify_failure_subsequent_no_execution.3.query.aql b/asterix-app/src/test/resources/metadata/queries/transaction/verify_failure_subsequent_no_execution/verify_failure_subsequent_no_execution.3.query.aql
new file mode 100644
index 0000000..6f27c72
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/queries/transaction/verify_failure_subsequent_no_execution/verify_failure_subsequent_no_execution.3.query.aql
@@ -0,0 +1,11 @@
+/*
+ * Description  : Verify the state of the metadata after the failure caused by failure_subsequent_no_execution.aql
+ * Expected Res : Success
+ * Date         : 24 Nov 2012
+ */
+
+use dataverse custord;
+
+for $x in dataset('Metadata.Index')
+where $x.DataverseName='custord'
+return $x
diff --git a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_1/issue_251_dataset_hint_1.1.adm b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_1/issue_251_dataset_hint_1.1.adm
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_1/issue_251_dataset_hint_1.1.adm
diff --git a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_2/issue_251_dataset_hint_2.1.adm b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_2/issue_251_dataset_hint_2.1.adm
new file mode 100644
index 0000000..7c82b18
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_2/issue_251_dataset_hint_2.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "test", "DatasetName": "Book", "DataTypeName": "LineType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{ { "Name": "CARDINALITY", "Value": "2000" } }}, "Timestamp": "Tue Jan 29 19:11:26 PST 2013" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_3/issue_251_dataset_hint_3.1.adm b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_3/issue_251_dataset_hint_3.1.adm
new file mode 100644
index 0000000..f931b40
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_3/issue_251_dataset_hint_3.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "test", "DatasetName": "Book", "DataTypeName": "LineType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{ { "Name": "CARDINALITY", "Value": "2000" } }}, "Timestamp": "Tue Jan 29 19:00:38 PST 2013" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_4/issue_251_dataset_hint_4.1.adm b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_4/issue_251_dataset_hint_4.1.adm
new file mode 100644
index 0000000..efd3a7e
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/issue_251_dataset_hint_4/issue_251_dataset_hint_4.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "test", "DatasetName": "Book", "DataTypeName": "LineType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:59:57 PST 2013" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta01/meta01.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta01/meta01.1.adm
new file mode 100644
index 0000000..e878a54
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta01/meta01.1.adm
@@ -0,0 +1,2 @@
+{ "DataverseName": "Metadata", "DataFormat": "edu.uci.ics.asterix.runtime.formats.NonTaggedDataFormat", "Timestamp": "Sat Nov 24 14:44:45 PST 2012" }
+{ "DataverseName": "testdv", "DataFormat": "edu.uci.ics.asterix.runtime.formats.NonTaggedDataFormat", "Timestamp": "Sat Nov 24 14:45:14 PST 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta02/meta02.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta02/meta02.1.adm
new file mode 100644
index 0000000..394af5c
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta02/meta02.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "testdv", "DatasetName": "dst01", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:34 PST 2013" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta03/meta03.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta03/meta03.1.adm
new file mode 100644
index 0000000..df41a35
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta03/meta03.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "testdv", "DatatypeName": "testtype", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": false, "Fields": [ { "FieldName": "id", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Mon Sep 17 23:18:30 PDT 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta04/meta04.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta04/meta04.1.adm
new file mode 100644
index 0000000..8f892be
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta04/meta04.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "testdv", "DatatypeName": "testtype", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "id", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 14:27:13 PST 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta05/meta05.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta05/meta05.1.adm
new file mode 100644
index 0000000..811e871
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta05/meta05.1.adm
@@ -0,0 +1,2 @@
+{ "DataverseName": "testdv", "DatasetName": "t1", "IndexName": "idx1", "IndexStructure": "BTREE", "SearchKey": [ "name" ], "IsPrimary": false, "Timestamp": "Mon Sep 17 23:21:46 PDT 2012" }
+{ "DataverseName": "testdv", "DatasetName": "t1", "IndexName": "t1", "IndexStructure": "BTREE", "SearchKey": [ "id" ], "IsPrimary": true, "Timestamp": "Mon Sep 17 23:21:46 PDT 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta06/meta06.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta06/meta06.1.adm
new file mode 100644
index 0000000..58f5b77
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta06/meta06.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "testdv", "Name": "fun01", "Arity": "0", "Params": [  ], "ReturnType": "VOID", "Definition": "\"This is an AQL Bodied UDF\"", "Language": "AQL", "Kind": "SCALAR" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta07/meta07.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta07/meta07.1.adm
new file mode 100644
index 0000000..f0a6e1d
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta07/meta07.1.adm
@@ -0,0 +1,2 @@
+{ "NodeName": "nc1", "NumberOfCores": 0, "WorkingMemorySize": 0 }
+{ "NodeName": "nc2", "NumberOfCores": 0, "WorkingMemorySize": 0 }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta08/meta08.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta08/meta08.1.adm
new file mode 100644
index 0000000..cadf1c4
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta08/meta08.1.adm
@@ -0,0 +1,2 @@
+{ "GroupName": "DEFAULT_NG_ALL_NODES", "NodeNames": {{ "nc1", "nc2" }}, "Timestamp": "Mon Sep 17 12:31:45 PDT 2012" }
+{ "GroupName": "MetadataGroup", "NodeNames": {{ "nc1" }}, "Timestamp": "Mon Sep 17 12:31:45 PDT 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta09/meta09.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta09/meta09.1.adm
new file mode 100644
index 0000000..9bcb2a4
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta09/meta09.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "test", "DatasetName": "t1", "DataTypeName": "testtype", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "id" ], "PrimaryKey": [ "id" ], "GroupName": "DEFAULT_NG_ALL_NODES" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:55:25 PST 2013" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta10/meta10.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta10/meta10.1.adm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta10/meta10.1.adm
@@ -0,0 +1 @@
+0
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta11/meta11.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta11/meta11.1.adm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta11/meta11.1.adm
@@ -0,0 +1 @@
+0
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta12/meta12.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta12/meta12.1.adm
new file mode 100644
index 0000000..6cf9685
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta12/meta12.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "test", "DatasetName": "dst01", "IndexName": "dst01", "IndexStructure": "BTREE", "SearchKey": [ "id" ], "IsPrimary": true, "Timestamp": "Mon Sep 17 23:40:44 PDT 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta13/meta13.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta13/meta13.1.adm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta13/meta13.1.adm
@@ -0,0 +1 @@
+0
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta14/meta14.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta14/meta14.1.adm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta14/meta14.1.adm
@@ -0,0 +1 @@
+0
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta15/meta15.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta15/meta15.1.adm
new file mode 100644
index 0000000..4414ed0
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta15/meta15.1.adm
@@ -0,0 +1,6 @@
+{ "DataverseName": "Metadata", "Name": "cnn_feed", "Classname": "edu.uci.ics.asterix.external.adapter.factory.CNNFeedAdapterFactory", "Type": "INTERNAL", "Timestamp": "Sun Nov 25 20:55:22 PST 2012" }
+{ "DataverseName": "Metadata", "Name": "hdfs", "Classname": "edu.uci.ics.asterix.external.adapter.factory.HDFSAdapterFactory", "Type": "INTERNAL", "Timestamp": "Sun Nov 25 20:55:22 PST 2012" }
+{ "DataverseName": "Metadata", "Name": "hive", "Classname": "edu.uci.ics.asterix.external.adapter.factory.HiveAdapterFactory", "Type": "INTERNAL", "Timestamp": "Sun Nov 25 20:55:22 PST 2012" }
+{ "DataverseName": "Metadata", "Name": "localfs", "Classname": "edu.uci.ics.asterix.external.adapter.factory.NCFileSystemAdapterFactory", "Type": "INTERNAL", "Timestamp": "Sun Nov 25 20:55:22 PST 2012" }
+{ "DataverseName": "Metadata", "Name": "pull_twitter", "Classname": "edu.uci.ics.asterix.external.adapter.factory.PullBasedTwitterAdapterFactory", "Type": "INTERNAL", "Timestamp": "Sun Nov 25 20:55:22 PST 2012" }
+{ "DataverseName": "Metadata", "Name": "rss_feed", "Classname": "edu.uci.ics.asterix.external.adapter.factory.RSSFeedAdapterFactory", "Type": "INTERNAL", "Timestamp": "Sun Nov 25 20:55:22 PST 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta16/meta16.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta16/meta16.1.adm
new file mode 100644
index 0000000..b56fe7c
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta16/meta16.1.adm
@@ -0,0 +1,8 @@
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "DataTypeName": "DatasetRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName" ], "PrimaryKey": [ "DataverseName", "DatasetName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "DataTypeName": "DatasourceAdapterRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name" ], "PrimaryKey": [ "DataverseName", "Name" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "DataTypeName": "DatatypeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatatypeName" ], "PrimaryKey": [ "DataverseName", "DatatypeName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "DataTypeName": "DataverseRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName" ], "PrimaryKey": [ "DataverseName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Function", "DataTypeName": "FunctionRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name", "Arity" ], "PrimaryKey": [ "DataverseName", "Name", "Arity" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Index", "DataTypeName": "IndexRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName", "IndexName" ], "PrimaryKey": [ "DataverseName", "DatasetName", "IndexName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Node", "DataTypeName": "NodeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "NodeName" ], "PrimaryKey": [ "NodeName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "DataTypeName": "NodeGroupRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "GroupName" ], "PrimaryKey": [ "GroupName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Tue Jan 29 18:54:03 PST 2013" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta17/meta17.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta17/meta17.1.adm
new file mode 100644
index 0000000..2de89a6
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta17/meta17.1.adm
@@ -0,0 +1,60 @@
+{ "DataverseName": "Metadata", "DatatypeName": "DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "DataTypeName", "FieldType": "string" }, { "FieldName": "DatasetType", "FieldType": "string" }, { "FieldName": "InternalDetails", "FieldType": "Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "ExternalDetails", "FieldType": "Field_ExternalDetails_in_DatasetRecordType" }, { "FieldName": "FeedDetails", "FieldType": "Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Hints", "FieldType": "Field_Hints_in_DatasetRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatasourceAdapterRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Classname", "FieldType": "string" }, { "FieldName": "Type", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:30 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatatypeName", "FieldType": "string" }, { "FieldName": "Derived", "FieldType": "Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DataverseRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DataFormat", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FieldName", "FieldType": "string" }, { "FieldName": "FieldType", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "Field_Hints_in_DatasetRecordType_ItemType", "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_NodeNames_in_NodeGroupRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "string", "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Params_in_FunctionRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:30 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_SearchKey_in_IndexRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "FunctionRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Arity", "FieldType": "string" }, { "FieldName": "Params", "FieldType": "Field_Params_in_FunctionRecordType" }, { "FieldName": "ReturnType", "FieldType": "string" }, { "FieldName": "Definition", "FieldType": "string" }, { "FieldName": "Language", "FieldType": "string" }, { "FieldName": "Kind", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:30 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "IndexRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "IndexName", "FieldType": "string" }, { "FieldName": "IndexStructure", "FieldType": "string" }, { "FieldName": "SearchKey", "FieldType": "Field_SearchKey_in_IndexRecordType" }, { "FieldName": "IsPrimary", "FieldType": "boolean" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "NodeGroupRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "NodeNames", "FieldType": "Field_NodeNames_in_NodeGroupRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "NodeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "NodeName", "FieldType": "string" }, { "FieldName": "NumberOfCores", "FieldType": "int32" }, { "FieldName": "WorkingMemorySize", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Tag", "FieldType": "string" }, { "FieldName": "IsAnonymous", "FieldType": "boolean" }, { "FieldName": "EnumValues", "FieldType": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Record", "FieldType": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Union", "FieldType": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "UnorderedList", "FieldType": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "OrderedList", "FieldType": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Function", "FieldType": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Status", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "IsOpen", "FieldType": "boolean" }, { "FieldName": "Fields", "FieldType": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "boolean", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "circle", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "date", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "datetime", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "double", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "duration", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "float", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int16", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int32", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int64", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int8", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "interval", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "line", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "null", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "point", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "point3d", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "polygon", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "rectangle", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "string", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "time", "Derived": null, "Timestamp": "Fri Feb 08 15:49:29 PST 2013" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta18/meta18.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta18/meta18.1.adm
new file mode 100644
index 0000000..f6d8a37
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta18/meta18.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "Metadata", "DataFormat": "edu.uci.ics.asterix.runtime.formats.NonTaggedDataFormat", "Timestamp": "Thu Sep 13 13:03:11 PDT 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta19/meta19.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta19/meta19.1.adm
new file mode 100644
index 0000000..607bfd1
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta19/meta19.1.adm
@@ -0,0 +1,11 @@
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "Dataset", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "GroupName", "IndexStructure": "BTREE", "SearchKey": [ "GroupName", "DataverseName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "IndexName": "DatasourceAdapter", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "Datatype", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "NestedDatatypeName", "TopDatatypeName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "IndexName": "Dataverse", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Function", "IndexName": "Function", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name", "Arity" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Index", "IndexName": "Index", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName", "IndexName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Node", "IndexName": "Node", "IndexStructure": "BTREE", "SearchKey": [ "NodeName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "IndexName": "Nodegroup", "IndexStructure": "BTREE", "SearchKey": [ "GroupName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta20/meta20.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta20/meta20.1.adm
new file mode 100644
index 0000000..f0a6e1d
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta20/meta20.1.adm
@@ -0,0 +1,2 @@
+{ "NodeName": "nc1", "NumberOfCores": 0, "WorkingMemorySize": 0 }
+{ "NodeName": "nc2", "NumberOfCores": 0, "WorkingMemorySize": 0 }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/meta21/meta21.1.adm b/asterix-app/src/test/resources/metadata/results/basic/meta21/meta21.1.adm
new file mode 100644
index 0000000..d7e8460
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/meta21/meta21.1.adm
@@ -0,0 +1,2 @@
+{ "GroupName": "DEFAULT_NG_ALL_NODES", "NodeNames": {{ "nc1", "nc2" }}, "Timestamp": "Thu Sep 13 11:42:20 PDT 2012" }
+{ "GroupName": "MetadataGroup", "NodeNames": {{ "nc1" }}, "Timestamp": "Thu Sep 13 11:42:20 PDT 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/metadata_dataset/metadata_dataset.1.adm b/asterix-app/src/test/resources/metadata/results/basic/metadata_dataset/metadata_dataset.1.adm
new file mode 100644
index 0000000..0078603
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/metadata_dataset/metadata_dataset.1.adm
@@ -0,0 +1,9 @@
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "DataTypeName": "DatasetRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName" ], "PrimaryKey": [ "DataverseName", "DatasetName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "DataTypeName": "DatasourceAdapterRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name" ], "PrimaryKey": [ "DataverseName", "Name" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "DataTypeName": "DatatypeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatatypeName" ], "PrimaryKey": [ "DataverseName", "DatatypeName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "DataTypeName": "DataverseRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName" ], "PrimaryKey": [ "DataverseName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Function", "DataTypeName": "FunctionRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "Name", "Arity" ], "PrimaryKey": [ "DataverseName", "Name", "Arity" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Index", "DataTypeName": "IndexRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "DataverseName", "DatasetName", "IndexName" ], "PrimaryKey": [ "DataverseName", "DatasetName", "IndexName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Node", "DataTypeName": "NodeRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "NodeName" ], "PrimaryKey": [ "NodeName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "DataTypeName": "NodeGroupRecordType", "DatasetType": "INTERNAL", "InternalDetails": { "FileStructure": "BTREE", "PartitioningStrategy": "HASH", "PartitioningKey": [ "GroupName" ], "PrimaryKey": [ "GroupName" ], "GroupName": "MetadataGroup" }, "ExternalDetails": null, "FeedDetails": null, "Hints": {{  }}, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+
diff --git a/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm b/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm
new file mode 100644
index 0000000..84e2ca8
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/metadata_datatype/metadata_datatype.1.adm
@@ -0,0 +1,60 @@
+{ "DataverseName": "Metadata", "DatatypeName": "DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "DataTypeName", "FieldType": "string" }, { "FieldName": "DatasetType", "FieldType": "string" }, { "FieldName": "InternalDetails", "FieldType": "Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "ExternalDetails", "FieldType": "Field_ExternalDetails_in_DatasetRecordType" }, { "FieldName": "FeedDetails", "FieldType": "Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Hints", "FieldType": "Field_Hints_in_DatasetRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatasourceAdapterRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Classname", "FieldType": "string" }, { "FieldName": "Type", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatatypeName", "FieldType": "string" }, { "FieldName": "Derived", "FieldType": "Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "DataverseRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DataFormat", "FieldType": "string" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FieldName", "FieldType": "string" }, { "FieldName": "FieldType", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "Field_Hints_in_DatasetRecordType_ItemType", "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Hints_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_NodeNames_in_NodeGroupRecordType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "string", "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Params_in_FunctionRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Value", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_SearchKey_in_IndexRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "string" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "FunctionRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "Name", "FieldType": "string" }, { "FieldName": "Arity", "FieldType": "string" }, { "FieldName": "Params", "FieldType": "Field_Params_in_FunctionRecordType" }, { "FieldName": "ReturnType", "FieldType": "string" }, { "FieldName": "Definition", "FieldType": "string" }, { "FieldName": "Language", "FieldType": "string" }, { "FieldName": "Kind", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "IndexRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DataverseName", "FieldType": "string" }, { "FieldName": "DatasetName", "FieldType": "string" }, { "FieldName": "IndexName", "FieldType": "string" }, { "FieldName": "IndexStructure", "FieldType": "string" }, { "FieldName": "SearchKey", "FieldType": "Field_SearchKey_in_IndexRecordType" }, { "FieldName": "IsPrimary", "FieldType": "boolean" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "NodeGroupRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "NodeNames", "FieldType": "Field_NodeNames_in_NodeGroupRecordType" }, { "FieldName": "Timestamp", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "NodeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "NodeName", "FieldType": "string" }, { "FieldName": "NumberOfCores", "FieldType": "int32" }, { "FieldName": "WorkingMemorySize", "FieldType": "int32" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "Tag", "FieldType": "string" }, { "FieldName": "IsAnonymous", "FieldType": "boolean" }, { "FieldName": "EnumValues", "FieldType": "Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Record", "FieldType": "Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "Union", "FieldType": "Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "UnorderedList", "FieldType": "Field_UnorderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" }, { "FieldName": "OrderedList", "FieldType": "Field_OrderedList_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_EnumValues_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_ExternalDetails_in_DatasetRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" }, { "FieldName": "DatasourceAdapter", "FieldType": "string" }, { "FieldName": "Properties", "FieldType": "Field_Properties_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Function", "FieldType": "Field_Function_in_Type_#1_UnionType_Field_FeedDetails_in_DatasetRecordType" }, { "FieldName": "Status", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "FileStructure", "FieldType": "string" }, { "FieldName": "PartitioningStrategy", "FieldType": "string" }, { "FieldName": "PartitioningKey", "FieldType": "Field_PartitioningKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "PrimaryKey", "FieldType": "Field_PrimaryKey_in_Type_#1_UnionType_Field_InternalDetails_in_DatasetRecordType" }, { "FieldName": "GroupName", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "IsOpen", "FieldType": "boolean" }, { "FieldName": "Fields", "FieldType": "Field_Fields_in_Type_#1_UnionType_Field_Record_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "Type_#1_UnionType_Field_Union_in_Type_#1_UnionType_Field_Derived_in_DatatypeRecordType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "string" }, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "boolean", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "circle", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "date", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "datetime", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "double", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "duration", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "float", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int16", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int32", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int64", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "int8", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "interval", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "line", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "null", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "point", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "point3d", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "polygon", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "rectangle", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "string", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
+{ "DataverseName": "Metadata", "DatatypeName": "time", "Derived": null, "Timestamp": "Fri Mar 29 11:19:47 PDT 2013" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/metadata_dataverse/metadata_dataverse.1.adm b/asterix-app/src/test/resources/metadata/results/basic/metadata_dataverse/metadata_dataverse.1.adm
new file mode 100644
index 0000000..f6d8a37
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/metadata_dataverse/metadata_dataverse.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "Metadata", "DataFormat": "edu.uci.ics.asterix.runtime.formats.NonTaggedDataFormat", "Timestamp": "Thu Sep 13 13:03:11 PDT 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/metadata_index/metadata_index.1.adm b/asterix-app/src/test/resources/metadata/results/basic/metadata_index/metadata_index.1.adm
new file mode 100644
index 0000000..607bfd1
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/metadata_index/metadata_index.1.adm
@@ -0,0 +1,11 @@
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "Dataset", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Dataset", "IndexName": "GroupName", "IndexStructure": "BTREE", "SearchKey": [ "GroupName", "DataverseName", "DatasetName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "DatasourceAdapter", "IndexName": "DatasourceAdapter", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "Datatype", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatatypeName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Datatype", "IndexName": "DatatypeName", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "NestedDatatypeName", "TopDatatypeName" ], "IsPrimary": false, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Dataverse", "IndexName": "Dataverse", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Function", "IndexName": "Function", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "Name", "Arity" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Index", "IndexName": "Index", "IndexStructure": "BTREE", "SearchKey": [ "DataverseName", "DatasetName", "IndexName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Node", "IndexName": "Node", "IndexStructure": "BTREE", "SearchKey": [ "NodeName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
+{ "DataverseName": "Metadata", "DatasetName": "Nodegroup", "IndexName": "Nodegroup", "IndexStructure": "BTREE", "SearchKey": [ "GroupName" ], "IsPrimary": true, "Timestamp": "Mon Nov 05 10:33:40 PST 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/metadata_node/metadata_node.1.adm b/asterix-app/src/test/resources/metadata/results/basic/metadata_node/metadata_node.1.adm
new file mode 100644
index 0000000..f0a6e1d
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/metadata_node/metadata_node.1.adm
@@ -0,0 +1,2 @@
+{ "NodeName": "nc1", "NumberOfCores": 0, "WorkingMemorySize": 0 }
+{ "NodeName": "nc2", "NumberOfCores": 0, "WorkingMemorySize": 0 }
diff --git a/asterix-app/src/test/resources/metadata/results/basic/metadata_nodegroup/metadata_nodegroup.1.adm b/asterix-app/src/test/resources/metadata/results/basic/metadata_nodegroup/metadata_nodegroup.1.adm
new file mode 100644
index 0000000..d7e8460
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/basic/metadata_nodegroup/metadata_nodegroup.1.adm
@@ -0,0 +1,2 @@
+{ "GroupName": "DEFAULT_NG_ALL_NODES", "NodeNames": {{ "nc1", "nc2" }}, "Timestamp": "Thu Sep 13 11:42:20 PDT 2012" }
+{ "GroupName": "MetadataGroup", "NodeNames": {{ "nc1" }}, "Timestamp": "Thu Sep 13 11:42:20 PDT 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/transaction/verify_failure_previous_success/verify_failure_previous_success.1.adm b/asterix-app/src/test/resources/metadata/results/transaction/verify_failure_previous_success/verify_failure_previous_success.1.adm
new file mode 100644
index 0000000..3d0da4d
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/transaction/verify_failure_previous_success/verify_failure_previous_success.1.adm
@@ -0,0 +1,13 @@
+{ "DataverseName": "custord", "DatatypeName": "AddressType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "street", "FieldType": "StreetType" }, { "FieldName": "city", "FieldType": "string" }, { "FieldName": "state", "FieldType": "string" }, { "FieldName": "zip", "FieldType": "int16" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "CustomerType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": false, "Fields": [ { "FieldName": "cid", "FieldType": "int32" }, { "FieldName": "name", "FieldType": "string" }, { "FieldName": "age", "FieldType": "Field_age_in_CustomerType" }, { "FieldName": "address", "FieldType": "Field_address_in_CustomerType" }, { "FieldName": "interests", "FieldType": "Field_interests_in_CustomerType" }, { "FieldName": "children", "FieldType": "Field_children_in_CustomerType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "Field_address_in_CustomerType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "AddressType" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "Field_age_in_CustomerType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "int32" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "Field_children_in_CustomerType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_children_in_CustomerType_ItemType" }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "Field_children_in_CustomerType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "name", "FieldType": "string" }, { "FieldName": "dob", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "Field_interests_in_CustomerType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "string", "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "Field_items_in_OrderType", "Derived": { "Tag": "ORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": null, "OrderedList": "Field_items_in_OrderType_ItemType" }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "Field_items_in_OrderType_ItemType", "Derived": { "Tag": "RECORD", "IsAnonymous": true, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "number", "FieldType": "int64" }, { "FieldName": "storeIds", "FieldType": "Field_storeIds_in_Field_items_in_OrderType_ItemType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "Field_number_in_StreetType", "Derived": { "Tag": "UNION", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": [ "null", "int32" ], "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "Field_storeIds_in_Field_items_in_OrderType_ItemType", "Derived": { "Tag": "UNORDEREDLIST", "IsAnonymous": true, "EnumValues": null, "Record": null, "Union": null, "UnorderedList": "int8", "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "OrderType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": true, "Fields": [ { "FieldName": "oid", "FieldType": "int32" }, { "FieldName": "cid", "FieldType": "int32" }, { "FieldName": "orderstatus", "FieldType": "string" }, { "FieldName": "orderpriority", "FieldType": "string" }, { "FieldName": "clerk", "FieldType": "string" }, { "FieldName": "total", "FieldType": "float" }, { "FieldName": "items", "FieldType": "Field_items_in_OrderType" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
+{ "DataverseName": "custord", "DatatypeName": "StreetType", "Derived": { "Tag": "RECORD", "IsAnonymous": false, "EnumValues": null, "Record": { "IsOpen": false, "Fields": [ { "FieldName": "number", "FieldType": "Field_number_in_StreetType" }, { "FieldName": "name", "FieldType": "string" } ] }, "Union": null, "UnorderedList": null, "OrderedList": null }, "Timestamp": "Sat Nov 24 17:20:04 PST 2012" }
diff --git a/asterix-app/src/test/resources/metadata/results/transaction/verify_failure_subsequent_no_execution/verify_failure_subsequent_no_execution.1.adm b/asterix-app/src/test/resources/metadata/results/transaction/verify_failure_subsequent_no_execution/verify_failure_subsequent_no_execution.1.adm
new file mode 100644
index 0000000..7ba26bd
--- /dev/null
+++ b/asterix-app/src/test/resources/metadata/results/transaction/verify_failure_subsequent_no_execution/verify_failure_subsequent_no_execution.1.adm
@@ -0,0 +1 @@
+{ "DataverseName": "custord", "DatasetName": "Customers", "IndexName": "Customers", "IndexStructure": "BTREE", "SearchKey": [ "cid", "name" ], "IsPrimary": true, "Timestamp": "Sat Nov 24 17:23:18 PST 2012" }
diff --git a/asterix-app/src/test/resources/metadata/testsuite.xml b/asterix-app/src/test/resources/metadata/testsuite.xml
index 6494cbf..d4fb915 100644
--- a/asterix-app/src/test/resources/metadata/testsuite.xml
+++ b/asterix-app/src/test/resources/metadata/testsuite.xml
@@ -2,183 +2,213 @@
   <test-group name="basic">
     <test-case FilePath="basic">
       <compilation-unit name="meta01">
-        <output-file compare="Text">meta01.adm</output-file>
+        <output-dir compare="Text">meta01</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta02">
-        <output-file compare="Text">meta02.adm</output-file>
+        <output-dir compare="Text">meta02</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta03">
-        <output-file compare="Text">meta03.adm</output-file>
+        <output-dir compare="Text">meta03</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta04">
-        <output-file compare="Text">meta04.adm</output-file>
+        <output-dir compare="Text">meta04</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta05">
-        <output-file compare="Text">meta05.adm</output-file>
+        <output-dir compare="Text">meta05</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta06">
-        <output-file compare="Text">meta06.adm</output-file>
+        <output-dir compare="Text">meta06</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta07">
-        <output-file compare="Text">meta07.adm</output-file>
+        <output-dir compare="Text">meta07</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta08">
-        <output-file compare="Text">meta08.adm</output-file>
+        <output-dir compare="Text">meta08</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta09">
-        <output-file compare="Text">meta09.adm</output-file>
+        <output-dir compare="Text">meta09</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta10">
-        <output-file compare="Text">meta10.adm</output-file>
+        <output-dir compare="Text">meta10</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta11">
-        <output-file compare="Text">meta11.adm</output-file>
+        <output-dir compare="Text">meta11</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta12">
-        <output-file compare="Text">meta12.adm</output-file>
+        <output-dir compare="Text">meta12</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta13">
-        <output-file compare="Text">meta13.adm</output-file>
+        <output-dir compare="Text">meta13</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta14">
-        <output-file compare="Text">meta14.adm</output-file>
+        <output-dir compare="Text">meta14</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta15">
-        <output-file compare="Text">meta15.adm</output-file>
+        <output-dir compare="Text">meta15</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta16">
-        <output-file compare="Text">meta16.adm</output-file>
+        <output-dir compare="Text">meta16</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta17">
-        <output-file compare="Text">meta17.adm</output-file>
+        <output-dir compare="Text">meta17</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta18">
-        <output-file compare="Text">meta18.adm</output-file>
+        <output-dir compare="Text">meta18</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta19">
-        <output-file compare="Text">meta19.adm</output-file>
+        <output-dir compare="Text">meta19</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta20">
-        <output-file compare="Text">meta20.adm</output-file>
+        <output-dir compare="Text">meta20</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="meta21">
-        <output-file compare="Text">meta21.adm</output-file>
+        <output-dir compare="Text">meta21</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="basic">
+      <compilation-unit name="metadata_dataset">
+        <output-dir compare="Text">metadata_dataset</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="basic">
+      <compilation-unit name="metadata_dataverse">
+        <output-dir compare="Text">metadata_dataverse</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="basic">
+      <compilation-unit name="metadata_datatype">
+        <output-dir compare="Text">metadata_datatype</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="basic">
+      <compilation-unit name="metadata_index">
+        <output-dir compare="Text">metadata_index</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="basic">
+      <compilation-unit name="metadata_node">
+        <output-dir compare="Text">metadata_node</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="basic">
+      <compilation-unit name="metadata_nodegroup">
+        <output-dir compare="Text">metadata_nodegroup</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="issue_251_dataset_hint_2">
-        <output-file compare="Text">issue_251_dataset_hint_2.adm</output-file>
+        <output-dir compare="Text">issue_251_dataset_hint_2</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="issue_251_dataset_hint_3">
-        <output-file compare="Text">issue_251_dataset_hint_3.adm</output-file>
+        <output-dir compare="Text">issue_251_dataset_hint_3</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="basic">
       <compilation-unit name="issue_251_dataset_hint_4">
-        <output-file compare="Text">issue_251_dataset_hint_4.adm</output-file>
+        <output-dir compare="Text">issue_251_dataset_hint_4</output-dir>
       </compilation-unit>
     </test-case>
   </test-group>
   <test-group name="exception">
     <test-case FilePath="exception">
       <compilation-unit name="issue_239_drop_system_dataset_1">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
     </test-case>
     <test-case FilePath="exception">
       <compilation-unit name="issue_239_drop_system_dataset_2">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
     </test-case>
     <test-case FilePath="exception">
       <compilation-unit name="issue_239_drop_system_dataset_3">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
     </test-case>
     <test-case FilePath="exception">
       <compilation-unit name="issue_239_drop_system_dataset_4">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
     </test-case>
     <test-case FilePath="exception">
       <compilation-unit name="issue_239_drop_system_dataset_5">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
     </test-case>
     <test-case FilePath="exception">
       <compilation-unit name="issue_239_drop_system_dataset_6">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
     </test-case>
     <test-case FilePath="exception">
       <compilation-unit name="issue_239_drop_system_dataset_7">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
     </test-case>
     <test-case FilePath="exception">
       <compilation-unit name="issue_239_drop_system_dataset_8">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
     </test-case>
     <test-case FilePath="exception">
       <compilation-unit name="issue_251_dataset_hint_error_1">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>AsterixException</expected-error>
       </compilation-unit>
     </test-case>
     <test-case FilePath="exception">
       <compilation-unit name="issue_251_dataset_hint_error_2">
-        <output-file compare="Text">none.adm</output-file>
+        <output-dir compare="Text">none</output-dir>
         <expected-error>AsterixException</expected-error>
       </compilation-unit>
     </test-case>
@@ -186,20 +216,20 @@
   <test-group name="transaction">
     <test-case FilePath="transaction">
       <compilation-unit name="failure_previous_success">
-        <output-file compare="Text">failure_previous_success.adm</output-file>
+        <output-dir compare="Text">failure_previous_success</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
       <compilation-unit name="verify_failure_previous_success">
-        <output-file compare="Text">verify_failure_previous_success.adm</output-file>
+        <output-dir compare="Text">verify_failure_previous_success</output-dir>
       </compilation-unit>
     </test-case>
     <test-case FilePath="transaction">
       <compilation-unit name="failure_subsequent_no_execution">
-        <output-file compare="Text">failure_subsequent_no_execution.adm</output-file>
+        <output-dir compare="Text">failure_subsequent_no_execution</output-dir>
         <expected-error>MetadataException</expected-error>
       </compilation-unit>
       <compilation-unit name="verify_failure_subsequent_no_execution">
-        <output-file compare="Text">verify_failure_subsequent_no_execution.adm</output-file>
+        <output-dir compare="Text">verify_failure_subsequent_no_execution</output-dir>
       </compilation-unit>
     </test-case>
   </test-group>
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q6_forecast_revenue_change/q6_forecast_revenue_change.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q6_forecast_revenue_change/q6_forecast_revenue_change.1.ddl.aql
index 99ffc17..733d940 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q6_forecast_revenue_change/q6_forecast_revenue_change.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q6_forecast_revenue_change/q6_forecast_revenue_change.1.ddl.aql
@@ -1,6 +1,6 @@
 drop dataverse tpch if exists;
 create dataverse tpch;
-
+  
 use dataverse tpch;
 
 create type LineItemType as closed {
@@ -88,3 +88,20 @@
   ps_comment: string 
 }
 
+create dataset LineItem(LineItemType)
+  primary key l_orderkey, l_linenumber;
+create dataset Orders(OrderType)
+  primary key o_orderkey;
+create dataset Supplier(SupplierType)
+  primary key s_suppkey;
+create dataset Region(RegionType) 
+  primary key r_regionkey;
+create dataset Nation(NationType) 
+  primary key n_nationkey;
+create dataset Part(PartType)
+  primary key p_partkey;
+create dataset Partsupp(PartSuppType)
+  primary key ps_partkey, ps_suppkey;  
+create dataset Customer(CustomerType) 
+  primary key c_custkey;
+
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q6_forecast_revenue_change/q6_forecast_revenue_change.1.ddl.aqlq6_forecast_revenue_change.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q6_forecast_revenue_change/q6_forecast_revenue_change.1.ddl.aqlq6_forecast_revenue_change.1.ddl.aql
deleted file mode 100644
index 733d940..0000000
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q6_forecast_revenue_change/q6_forecast_revenue_change.1.ddl.aqlq6_forecast_revenue_change.1.ddl.aql
+++ /dev/null
@@ -1,107 +0,0 @@
-drop dataverse tpch if exists;
-create dataverse tpch;
-  
-use dataverse tpch;
-
-create type LineItemType as closed {
-  l_orderkey: int32, 
-  l_partkey: int32, 
-  l_suppkey: int32, 
-  l_linenumber: int32, 
-  l_quantity: int32, 
-  l_extendedprice: double,
-  l_discount: double, 
-  l_tax: double,
-  l_returnflag: string, 
-  l_linestatus: string, 
-  l_shipdate: string,
-  l_commitdate: string, 
-  l_receiptdate: string, 
-  l_shipinstruct: string, 
-  l_shipmode: string, 
-  l_comment: string
-}
-
-create type OrderType as closed {
-  o_orderkey: int32, 
-  o_custkey: int32, 
-  o_orderstatus: string, 
-  o_totalprice: double, 
-  o_orderdate: string, 
-  o_orderpriority: string,
-  o_clerk: string, 
-  o_shippriority: int32, 
-  o_comment: string
-}
-
-create type CustomerType as closed {
-  c_custkey: int32, 
-  c_name: string, 
-  c_address: string, 
-  c_nationkey: int32, 
-  c_phone: string, 
-  c_acctbal: double, 
-  c_mktsegment: string,
-  c_comment: string
-}
-
-create type SupplierType as closed {
-  s_suppkey: int32, 
-  s_name: string,
-  s_address: string,
-  s_nationkey: int32,
-  s_phone: string,
-  s_acctbal: double,
-  s_comment: string
-}
-
-create type NationType as closed {
-  n_nationkey: int32,
-  n_name: string,
-  n_regionkey: int32,
-  n_comment: string
-}
-
-create type RegionType as closed {
-	r_regionkey: int32, 
-	r_name: string, 
-	r_comment: string
-} 
-
-create type PartType as closed {
-  p_partkey: int32, 
-  p_name: string, 
-  p_mfgr: string,
-  p_brand: string,
-  p_type: string,
-  p_size: int32,
-  p_container: string,
-  p_retailprice: double,
-  p_comment: string
-}
-
-create type PartSuppType as closed {
-  ps_partkey: int32, 
-  ps_suppkey: int32,
-  ps_availqty: int32,
-  ps_supplycost: double,
-  ps_comment: string 
-}
-
-create dataset LineItem(LineItemType)
-  primary key l_orderkey, l_linenumber;
-create dataset Orders(OrderType)
-  primary key o_orderkey;
-create dataset Supplier(SupplierType)
-  primary key s_suppkey;
-create dataset Region(RegionType) 
-  primary key r_regionkey;
-create dataset Nation(NationType) 
-  primary key n_nationkey;
-create dataset Part(PartType)
-  primary key p_partkey;
-create dataset Partsupp(PartSuppType)
-  primary key ps_partkey, ps_suppkey;  
-create dataset Customer(CustomerType) 
-  primary key c_custkey;
-
diff --git a/asterix-events/src/main/resources/events/node_join/nc_join.sh b/asterix-events/src/main/resources/events/node_join/nc_join.sh
index e0f5e55..5aa86db 100755
--- a/asterix-events/src/main/resources/events/node_join/nc_join.sh
+++ b/asterix-events/src/main/resources/events/node_join/nc_join.sh
@@ -4,4 +4,4 @@
 then 
   mkdir -p $LOG_DIR
 fi
-$ASTERIX_HOME/bin/asterixnc -node-id $NC_ID -cc-host $CC_HOST -cc-port 1099 -cluster-net-ip-address $IP_LOCATION  -data-ip-address $IP_LOCATION &> $LOG_DIR/${NC_ID}.log
+$ASTERIX_HOME/bin/asterixnc -node-id $NC_ID -cc-host $CC_HOST -cc-port 1099 -cluster-net-ip-address $IP_LOCATION  -data-ip-address $IP_LOCATION -result-ip-address $IP_LOCATION &> $LOG_DIR/${NC_ID}.log
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/CreateMBREvalFactory.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/CreateMBREvalFactory.java
index e20212c..616cbdc 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/CreateMBREvalFactory.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/common/CreateMBREvalFactory.java
@@ -27,6 +27,8 @@
 
     private static final long serialVersionUID = 1L;
 
+    private static final byte SER_INT32_TYPE_TAG = ATypeTag.INT32.serialize();
+
     private ICopyEvaluatorFactory recordEvalFactory;
     private ICopyEvaluatorFactory dimensionEvalFactory;
     private ICopyEvaluatorFactory coordinateEvalFactory;
@@ -61,6 +63,12 @@
                 outInput2.reset();
                 eval2.evaluate(tuple);
 
+                // type-check: (Point/Line/Polygon/Circle/Rectangle/Null, Int32, Int32)
+                if (outInput1.getByteArray()[0] != SER_INT32_TYPE_TAG
+                        || outInput2.getByteArray()[0] != SER_INT32_TYPE_TAG) {
+                    throw new AlgebricksException("Expects Types: (Point/Line/Polygon/Circle/Rectangle/Null, Int32, Int32).");
+                }
+
                 try {
 
                     int dimension = AInt32SerializerDeserializer.getInt(outInput1.getByteArray(), 1);
@@ -204,9 +212,9 @@
                                         double x = ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
                                                 ACircleSerializerDeserializer
                                                         .getCenterPointCoordinateOffset(Coordinate.X));
-                                        double radius = ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
-                                                ACircleSerializerDeserializer
-                                                        .getCenterPointCoordinateOffset(Coordinate.X));
+                                        double radius = ADoubleSerializerDeserializer.getDouble(outInput0
+                                                .getByteArray(), ACircleSerializerDeserializer
+                                                .getCenterPointCoordinateOffset(Coordinate.X));
 
                                         value = x - radius;
                                     }
@@ -215,9 +223,9 @@
                                         double y = ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
                                                 ACircleSerializerDeserializer
                                                         .getCenterPointCoordinateOffset(Coordinate.Y));
-                                        double radius = ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
-                                                ACircleSerializerDeserializer
-                                                        .getCenterPointCoordinateOffset(Coordinate.Y));
+                                        double radius = ADoubleSerializerDeserializer.getDouble(outInput0
+                                                .getByteArray(), ACircleSerializerDeserializer
+                                                .getCenterPointCoordinateOffset(Coordinate.Y));
 
                                         value = y - radius;
                                     }
@@ -226,9 +234,9 @@
                                         double x = ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
                                                 ACircleSerializerDeserializer
                                                         .getCenterPointCoordinateOffset(Coordinate.X));
-                                        double radius = ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
-                                                ACircleSerializerDeserializer
-                                                        .getCenterPointCoordinateOffset(Coordinate.X));
+                                        double radius = ADoubleSerializerDeserializer.getDouble(outInput0
+                                                .getByteArray(), ACircleSerializerDeserializer
+                                                .getCenterPointCoordinateOffset(Coordinate.X));
 
                                         value = x + radius;
                                     }
@@ -237,9 +245,9 @@
                                         double y = ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
                                                 ACircleSerializerDeserializer
                                                         .getCenterPointCoordinateOffset(Coordinate.Y));
-                                        double radius = ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
-                                                ACircleSerializerDeserializer
-                                                        .getCenterPointCoordinateOffset(Coordinate.Y));
+                                        double radius = ADoubleSerializerDeserializer.getDouble(outInput0
+                                                .getByteArray(), ACircleSerializerDeserializer
+                                                .getCenterPointCoordinateOffset(Coordinate.Y));
 
                                         value = y + radius;
                                     }
@@ -284,13 +292,13 @@
                                 }
                                 break;
                             case NULL: {
-                            	out.writeByte(ATypeTag.NULL.serialize());
-                            	return;
+                                out.writeByte(ATypeTag.NULL.serialize());
+                                return;
                             }
                             default:
                                 throw new NotImplementedException(
-									"create-mbr is only implemented for POINT, LINE, POLYGON, CIRCLE and RECTANGLE. Encountered type: "
-											+ tag + ".");
+                                        "create-mbr is only implemented for POINT, LINE, POLYGON, CIRCLE and RECTANGLE. Encountered type: "
+                                                + tag + ".");
 
                         }
                     } else {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractBinaryStringBoolEval.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractBinaryStringBoolEval.java
index 03a0ba8..a54e3b0 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractBinaryStringBoolEval.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractBinaryStringBoolEval.java
@@ -2,15 +2,15 @@
 
 import java.io.DataOutput;
 import java.util.Arrays;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ABoolean;
 import edu.uci.ics.asterix.om.base.AString;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
 import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
@@ -21,20 +21,26 @@
 public abstract class AbstractBinaryStringBoolEval implements ICopyEvaluator {
 
     private DataOutput dout;
+
+    // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
+    private final static byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+
     private ArrayBackedValueStorage array0 = new ArrayBackedValueStorage();
     private ArrayBackedValueStorage array1 = new ArrayBackedValueStorage();
     private ICopyEvaluator evalLeft;
     private ICopyEvaluator evalRight;
+    private final FunctionIdentifier funcID;
     @SuppressWarnings({ "rawtypes" })
     private ISerializerDeserializer boolSerde = AqlSerializerDeserializerProvider.INSTANCE
             .getSerializerDeserializer(BuiltinType.ABOOLEAN);
 
     public AbstractBinaryStringBoolEval(DataOutput dout, ICopyEvaluatorFactory evalLeftFactory,
-            ICopyEvaluatorFactory evalRightFactory) throws AlgebricksException {
+            ICopyEvaluatorFactory evalRightFactory, FunctionIdentifier funcID) throws AlgebricksException {
         this.dout = dout;
         this.evalLeft = evalLeftFactory.createEvaluator(array0);
         this.evalRight = evalRightFactory.createEvaluator(array1);
+        this.funcID = funcID;
     }
 
     @SuppressWarnings("unchecked")
@@ -47,15 +53,17 @@
 
         try {
             if (array0.getByteArray()[0] == SER_NULL_TYPE_TAG && array1.getByteArray()[0] == SER_NULL_TYPE_TAG) {
-                try {
-                    boolSerde.serialize(ABoolean.TRUE, dout);
-                } catch (HyracksDataException ex) {
-                    Logger.getLogger(AbstractBinaryStringBoolEval.class.getName()).log(Level.SEVERE, null, ex);
-                }
+                boolSerde.serialize(ABoolean.TRUE, dout);
                 return;
-            } else if (array0.getByteArray()[0] == SER_NULL_TYPE_TAG || array1.getByteArray()[0] == SER_NULL_TYPE_TAG) {
+            } else if ((array0.getByteArray()[0] == SER_NULL_TYPE_TAG && array1.getByteArray()[0] == SER_STRING_TYPE_TAG)
+                    || (array0.getByteArray()[0] == SER_STRING_TYPE_TAG && array1.getByteArray()[0] == SER_NULL_TYPE_TAG)) {
                 boolSerde.serialize(ABoolean.FALSE, dout);
                 return;
+            } else if (array0.getByteArray()[0] != SER_STRING_TYPE_TAG
+                    || array1.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                throw new AlgebricksException(funcID.getName() + ": expects input type STRING or NULL, but got "
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array0.getByteArray()[0]) + " and "
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array1.getByteArray()[0]) + ")!");
             }
         } catch (HyracksDataException e) {
             throw new AlgebricksException(e);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractNumericArithmeticEval.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractNumericArithmeticEval.java
index f585965..895e575 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractNumericArithmeticEval.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractNumericArithmeticEval.java
@@ -33,10 +33,10 @@
 @SuppressWarnings("serial")
 public abstract class AbstractNumericArithmeticEval extends AbstractScalarFunctionDynamicDescriptor {
 
-    
     abstract protected long evaluateInteger(long lhs, long rhs) throws HyracksDataException;
+
     abstract protected double evaluateDouble(double lhs, double rhs) throws HyracksDataException;
-    
+
     @Override
     public ICopyEvaluatorFactory createEvaluatorFactory(final ICopyEvaluatorFactory[] args) throws AlgebricksException {
         return new ICopyEvaluatorFactory() {
@@ -52,22 +52,21 @@
                     private ICopyEvaluator evalLeft = args[0].createEvaluator(argOut);
                     private ICopyEvaluator evalRight = args[1].createEvaluator(argOut);
                     private double[] operandsFloating = new double[args.length];
-                    private long[]   operandsInteger  = new long[args.length];
-                    private int      resultType;
+                    private long[] operandsInteger = new long[args.length];
+                    private int resultType;
                     static protected final int typeInt8 = 1;
                     static protected final int typeInt16 = 2;
                     static protected final int typeInt32 = 3;
                     static protected final int typeInt64 = 4;
                     static protected final int typeFloat = 5;
                     static protected final int typeDouble = 6;
-                    
-                    
+
                     protected AMutableFloat aFloat = new AMutableFloat(0);
                     protected AMutableDouble aDouble = new AMutableDouble(0);
                     protected AMutableInt64 aInt64 = new AMutableInt64(0);
                     protected AMutableInt32 aInt32 = new AMutableInt32(0);
                     protected AMutableInt16 aInt16 = new AMutableInt16((short) 0);
-                    protected AMutableInt8 aInt8 = new AMutableInt8((byte) 0);                    
+                    protected AMutableInt8 aInt8 = new AMutableInt8((byte) 0);
                     private ATypeTag typeTag;
                     @SuppressWarnings("rawtypes")
                     private ISerializerDeserializer serde;
@@ -87,38 +86,48 @@
                                     evalRight.evaluate(tuple);
                                 typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]);
                                 switch (typeTag) {
-                                    case INT8: {   
+                                    case INT8: {
                                         currentType = typeInt8;
-                                        operandsInteger[i] = AInt8SerializerDeserializer.getByte(argOut.getByteArray(), 1);
-                                        operandsFloating[i] = AInt8SerializerDeserializer.getByte(argOut.getByteArray(), 1);
+                                        operandsInteger[i] = AInt8SerializerDeserializer.getByte(argOut.getByteArray(),
+                                                1);
+                                        operandsFloating[i] = AInt8SerializerDeserializer.getByte(
+                                                argOut.getByteArray(), 1);
                                         break;
                                     }
                                     case INT16: {
                                         currentType = typeInt16;
-                                        operandsInteger[i] = AInt16SerializerDeserializer.getShort(argOut.getByteArray(), 1);
-                                        operandsFloating[i] = AInt16SerializerDeserializer.getShort(argOut.getByteArray(), 1);
+                                        operandsInteger[i] = AInt16SerializerDeserializer.getShort(
+                                                argOut.getByteArray(), 1);
+                                        operandsFloating[i] = AInt16SerializerDeserializer.getShort(
+                                                argOut.getByteArray(), 1);
                                         break;
                                     }
                                     case INT32: {
                                         currentType = typeInt32;
-                                        operandsInteger[i] = AInt32SerializerDeserializer.getInt(argOut.getByteArray(), 1);
-                                        operandsFloating[i] = AInt32SerializerDeserializer.getInt(argOut.getByteArray(), 1);
+                                        operandsInteger[i] = AInt32SerializerDeserializer.getInt(argOut.getByteArray(),
+                                                1);
+                                        operandsFloating[i] = AInt32SerializerDeserializer.getInt(
+                                                argOut.getByteArray(), 1);
                                         break;
                                     }
                                     case INT64: {
                                         currentType = typeInt64;
-                                        operandsInteger[i] = AInt64SerializerDeserializer.getLong(argOut.getByteArray(), 1);
-                                        operandsFloating[i] = AInt64SerializerDeserializer.getLong(argOut.getByteArray(), 1);
+                                        operandsInteger[i] = AInt64SerializerDeserializer.getLong(
+                                                argOut.getByteArray(), 1);
+                                        operandsFloating[i] = AInt64SerializerDeserializer.getLong(
+                                                argOut.getByteArray(), 1);
                                         break;
                                     }
                                     case FLOAT: {
                                         currentType = typeFloat;
-                                        operandsFloating[i] = AFloatSerializerDeserializer.getFloat(argOut.getByteArray(), 1);
+                                        operandsFloating[i] = AFloatSerializerDeserializer.getFloat(
+                                                argOut.getByteArray(), 1);
                                         break;
                                     }
                                     case DOUBLE: {
                                         currentType = typeDouble;
-                                        operandsFloating[i] = ADoubleSerializerDeserializer.getDouble(argOut.getByteArray(), 1);
+                                        operandsFloating[i] = ADoubleSerializerDeserializer.getDouble(
+                                                argOut.getByteArray(), 1);
                                         break;
                                     }
                                     case NULL: {
@@ -128,88 +137,88 @@
                                         return;
                                     }
                                     default: {
-                                        throw new NotImplementedException(i == 0 ? "Left"
-                                                : "Right"
-                                                        + " Operand of Division can not be "
-                                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
-                                                                .getByteArray()[0]));
+                                        throw new NotImplementedException(getIdentifier().getName()
+                                                + (i == 0 ? ": Left" : ": Right")
+                                                + " operand expects INT8/INT16/INT32/INT64/FLOAT/DOUBLE/NULL, but got "
+                                                + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
+                                                        .getByteArray()[0]));
                                     }
                                 }
-                                
-                                if(resultType < currentType) {
+
+                                if (resultType < currentType) {
                                     resultType = currentType;
                                 }
                             }
-                            
+
                             long lres = 0;
                             double dres = 0;
-                            switch(resultType) {
+                            switch (resultType) {
                                 case typeInt8:
                                     serde = AqlSerializerDeserializerProvider.INSTANCE
-                                    .getSerializerDeserializer(BuiltinType.AINT8);
+                                            .getSerializerDeserializer(BuiltinType.AINT8);
                                     lres = evaluateInteger(operandsInteger[0], operandsInteger[1]);
-                                    if(lres > Byte.MAX_VALUE) {
+                                    if (lres > Byte.MAX_VALUE) {
                                         throw new AlgebricksException("Overflow happened.");
-                                    } 
-                                    if(lres < Byte.MIN_VALUE) {
+                                    }
+                                    if (lres < Byte.MIN_VALUE) {
                                         throw new AlgebricksException("Underflow happened.");
-                                    }                                     
-                                    aInt8.setValue((byte)lres);
-                                    serde.serialize(aInt8, out);                
-                                    break;                                
+                                    }
+                                    aInt8.setValue((byte) lres);
+                                    serde.serialize(aInt8, out);
+                                    break;
                                 case typeInt16:
                                     serde = AqlSerializerDeserializerProvider.INSTANCE
-                                    .getSerializerDeserializer(BuiltinType.AINT16);
+                                            .getSerializerDeserializer(BuiltinType.AINT16);
                                     lres = evaluateInteger(operandsInteger[0], operandsInteger[1]);
-                                    if(lres > Short.MAX_VALUE) {
+                                    if (lres > Short.MAX_VALUE) {
                                         throw new AlgebricksException("Overflow happened.");
-                                    } 
-                                    if(lres < Short.MIN_VALUE) {
+                                    }
+                                    if (lres < Short.MIN_VALUE) {
                                         throw new AlgebricksException("Underflow happened.");
-                                    }                                    
-                                    aInt16.setValue((short)lres);
-                                    serde.serialize(aInt16, out);                
+                                    }
+                                    aInt16.setValue((short) lres);
+                                    serde.serialize(aInt16, out);
                                     break;
                                 case typeInt32:
                                     serde = AqlSerializerDeserializerProvider.INSTANCE
-                                    .getSerializerDeserializer(BuiltinType.AINT32);
+                                            .getSerializerDeserializer(BuiltinType.AINT32);
                                     lres = evaluateInteger(operandsInteger[0], operandsInteger[1]);
-                                    if(lres > Integer.MAX_VALUE) {
+                                    if (lres > Integer.MAX_VALUE) {
                                         throw new AlgebricksException("Overflow happened.");
-                                    } 
-                                    if(lres < Integer.MIN_VALUE) {
+                                    }
+                                    if (lres < Integer.MIN_VALUE) {
                                         throw new AlgebricksException("Underflow happened.");
-                                    }                                      
-                                    aInt32.setValue((int)lres);
-                                    serde.serialize(aInt32, out);                 
+                                    }
+                                    aInt32.setValue((int) lres);
+                                    serde.serialize(aInt32, out);
                                     break;
                                 case typeInt64:
                                     serde = AqlSerializerDeserializerProvider.INSTANCE
-                                    .getSerializerDeserializer(BuiltinType.AINT64);
-                                    lres = evaluateInteger(operandsInteger[0], operandsInteger[1]);                                      
+                                            .getSerializerDeserializer(BuiltinType.AINT64);
+                                    lres = evaluateInteger(operandsInteger[0], operandsInteger[1]);
                                     aInt64.setValue(lres);
-                                    serde.serialize(aInt64, out);                   
+                                    serde.serialize(aInt64, out);
                                     break;
                                 case typeFloat:
                                     serde = AqlSerializerDeserializerProvider.INSTANCE
-                                    .getSerializerDeserializer(BuiltinType.AFLOAT);
+                                            .getSerializerDeserializer(BuiltinType.AFLOAT);
                                     dres = evaluateDouble(operandsFloating[0], operandsFloating[1]);
-                                    if(dres > Float.MAX_VALUE) {
+                                    if (dres > Float.MAX_VALUE) {
                                         throw new AlgebricksException("Overflow happened.");
-                                    } 
-                                    if(dres < - Float.MAX_VALUE) {
+                                    }
+                                    if (dres < -Float.MAX_VALUE) {
                                         throw new AlgebricksException("Underflow happened.");
-                                    }                                      
-                                    aFloat.setValue((float)dres);
-                                    serde.serialize(aFloat, out);                   
-                                    break;                                    
+                                    }
+                                    aFloat.setValue((float) dres);
+                                    serde.serialize(aFloat, out);
+                                    break;
                                 case typeDouble:
                                     serde = AqlSerializerDeserializerProvider.INSTANCE
-                                    .getSerializerDeserializer(BuiltinType.ADOUBLE);
+                                            .getSerializerDeserializer(BuiltinType.ADOUBLE);
                                     aDouble.setValue(evaluateDouble(operandsFloating[0], operandsFloating[1]));
-                                    serde.serialize(aDouble, out);                   
+                                    serde.serialize(aDouble, out);
                                     break;
-                            }                                                   
+                            }
                         } catch (HyracksDataException hde) {
                             throw new AlgebricksException(hde);
                         }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractQuadStringStringEval.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractQuadStringStringEval.java
index 37a9d20..ce9ecd2 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractQuadStringStringEval.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractQuadStringStringEval.java
@@ -5,7 +5,6 @@
 package edu.uci.ics.asterix.runtime.evaluators.functions;
 
 import java.io.DataOutput;
-import java.io.IOException;
 import java.util.Arrays;
 import java.util.regex.Pattern;
 
@@ -15,7 +14,9 @@
 import edu.uci.ics.asterix.om.base.AString;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
 import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
@@ -40,6 +41,8 @@
     private ICopyEvaluator eval2;
     private ICopyEvaluator eval3;
 
+    private final FunctionIdentifier funcID;
+
     private AMutableString resultBuffer = new AMutableString("");
     @SuppressWarnings("rawtypes")
     private ISerializerDeserializer nullSerde = AqlSerializerDeserializerProvider.INSTANCE
@@ -49,12 +52,14 @@
             .getSerializerDeserializer(BuiltinType.ASTRING);
 
     public AbstractQuadStringStringEval(DataOutput dout, ICopyEvaluatorFactory eval0, ICopyEvaluatorFactory eval1,
-            ICopyEvaluatorFactory eval2, ICopyEvaluatorFactory eval3) throws AlgebricksException {
+            ICopyEvaluatorFactory eval2, ICopyEvaluatorFactory eval3, FunctionIdentifier funcID)
+            throws AlgebricksException {
         this.dout = dout;
         this.eval0 = eval0.createEvaluator(array0);
         this.eval1 = eval1.createEvaluator(array1);
         this.eval2 = eval2.createEvaluator(array2);
         this.eval3 = eval3.createEvaluator(array3);
+        this.funcID = funcID;
     }
 
     @SuppressWarnings("unchecked")
@@ -74,18 +79,22 @@
                 nullSerde.serialize(ANull.NULL, dout);
                 return;
             } else if (array0.getByteArray()[0] == SER_STRING_TYPE_TAG) {
-                if (array0.getByteArray()[1] == SER_NULL_TYPE_TAG) {
-                    dout.write(array0.getByteArray(), array0.getStartOffset(), array0.getLength());
-                    return;
+                if ((array1.getByteArray()[0] != SER_STRING_TYPE_TAG && array1.getByteArray()[0] != SER_NULL_TYPE_TAG)
+                        || (array2.getByteArray()[0] != SER_STRING_TYPE_TAG && array2.getByteArray()[0] != SER_NULL_TYPE_TAG)
+                        || (array3.getByteArray()[0] != SER_STRING_TYPE_TAG && array3.getByteArray()[0] != SER_NULL_TYPE_TAG)) {
+                    throw new AlgebricksException(funcID.getName()
+                            + ": expects input type (STRING/NULL, STRING/NULL, STRING/NULL, STRING/NULL), but got ("
+                            + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array0.getByteArray()[0]) + ", "
+                            + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array1.getByteArray()[0]) + ", "
+                            + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array2.getByteArray()[0]) + ", "
+                            + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array3.getByteArray()[0]) + ".");
                 }
 
             } else {
-                throw new AlgebricksException("Expects String Type.");
+                throw new AlgebricksException("Expects String or NULL Type.");
             }
         } catch (HyracksDataException e) {
             throw new AlgebricksException(e);
-        } catch (IOException e) {
-            throw new AlgebricksException(e.getMessage());
         }
 
         byte[] b0 = array0.getByteArray();
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractStringContainsEval.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractStringContainsEval.java
index eed3a24..81782c8 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractStringContainsEval.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractStringContainsEval.java
@@ -4,8 +4,11 @@
 
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ABoolean;
+import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
 import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
@@ -17,6 +20,10 @@
 
     private DataOutput dout;
 
+    // allowed input types
+    private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
+    private final static byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+
     private ArrayBackedValueStorage array0 = new ArrayBackedValueStorage();
     private ArrayBackedValueStorage array1 = new ArrayBackedValueStorage();
     private ICopyEvaluator evalString;
@@ -25,11 +32,14 @@
     private ISerializerDeserializer boolSerde = AqlSerializerDeserializerProvider.INSTANCE
             .getSerializerDeserializer(BuiltinType.ABOOLEAN);
 
+    private final FunctionIdentifier funcID;
+
     public AbstractStringContainsEval(DataOutput dout, ICopyEvaluatorFactory evalStringFactory,
-            ICopyEvaluatorFactory evalPatternFactory) throws AlgebricksException {
+            ICopyEvaluatorFactory evalPatternFactory, FunctionIdentifier funcID) throws AlgebricksException {
         this.dout = dout;
         this.evalString = evalStringFactory.createEvaluator(array0);
         this.evalPattern = evalPatternFactory.createEvaluator(array1);
+        this.funcID = funcID;
     }
 
     @SuppressWarnings("unchecked")
@@ -39,6 +49,31 @@
         evalPattern.evaluate(tuple);
         array0.reset();
         evalString.evaluate(tuple);
+
+        try {
+            if (array1.getByteArray()[0] == SER_NULL_TYPE_TAG) {
+                if (array0.getByteArray()[0] == SER_NULL_TYPE_TAG || array0.getByteArray()[0] == SER_STRING_TYPE_TAG) {
+                    boolSerde.serialize(ABoolean.TRUE, dout);
+                    return;
+                }
+            } else if (array0.getByteArray()[0] == SER_NULL_TYPE_TAG) {
+                if (array1.getByteArray()[0] == SER_STRING_TYPE_TAG) {
+                    boolSerde.serialize(ABoolean.FALSE, dout);
+                    return;
+                }
+
+            }
+
+            if (array0.getByteArray()[0] != SER_STRING_TYPE_TAG || array1.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                throw new AlgebricksException(funcID.getName()
+                        + ": expects input type (STRING/NULL, STRING/NULL), but got ("
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array0.getByteArray()[0]) + ", "
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array1.getByteArray()[0]) + ").");
+            }
+        } catch (HyracksDataException e) {
+            throw new AlgebricksException(e);
+        }
+
         byte[] b1 = array0.getByteArray();
         byte[] b2 = array1.getByteArray();
         ABoolean res = findMatch(b1, b2) ? ABoolean.TRUE : ABoolean.FALSE;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractTripleStringBoolEval.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractTripleStringBoolEval.java
index a0c963b..a3be797 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractTripleStringBoolEval.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractTripleStringBoolEval.java
@@ -9,7 +9,9 @@
 import edu.uci.ics.asterix.om.base.AString;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
 import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
@@ -24,6 +26,7 @@
 
     private DataOutput dout;
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
+    private final static byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
     private ArrayBackedValueStorage array0 = new ArrayBackedValueStorage();
     private ArrayBackedValueStorage array1 = new ArrayBackedValueStorage();
     private ArrayBackedValueStorage array2 = new ArrayBackedValueStorage();
@@ -34,12 +37,15 @@
     private ISerializerDeserializer boolSerde = AqlSerializerDeserializerProvider.INSTANCE
             .getSerializerDeserializer(BuiltinType.ABOOLEAN);
 
+    private final FunctionIdentifier funcID;
+
     public AbstractTripleStringBoolEval(DataOutput dout, ICopyEvaluatorFactory eval0, ICopyEvaluatorFactory eval1,
-            ICopyEvaluatorFactory eval2) throws AlgebricksException {
+            ICopyEvaluatorFactory eval2, FunctionIdentifier funcID) throws AlgebricksException {
         this.dout = dout;
         this.eval0 = eval0.createEvaluator(array0);
         this.eval1 = eval1.createEvaluator(array1);
         this.eval2 = eval2.createEvaluator(array2);
+        this.funcID = funcID;
     }
 
     @SuppressWarnings("unchecked")
@@ -53,13 +59,24 @@
         eval2.evaluate(tuple);
 
         try {
-            if (array0.getByteArray()[0] == SER_NULL_TYPE_TAG && array1.getByteArray()[0] == SER_NULL_TYPE_TAG) {
-                boolSerde.serialize(ABoolean.TRUE, dout);
-                return;
-            } else if (array0.getByteArray()[0] == SER_NULL_TYPE_TAG || array1.getByteArray()[0] == SER_NULL_TYPE_TAG) {
+            if ((array0.getByteArray()[0] == SER_NULL_TYPE_TAG && array1.getByteArray()[0] == SER_STRING_TYPE_TAG)
+                    || (array1.getByteArray()[0] == SER_NULL_TYPE_TAG && array0.getByteArray()[0] == SER_STRING_TYPE_TAG)) {
                 boolSerde.serialize(ABoolean.FALSE, dout);
                 return;
+            } else if (array0.getByteArray()[0] == SER_NULL_TYPE_TAG && array1.getByteArray()[0] == SER_NULL_TYPE_TAG) {
+                boolSerde.serialize(ABoolean.TRUE, dout);
+                return;
             }
+
+            if (array0.getByteArray()[0] != SER_STRING_TYPE_TAG || array1.getByteArray()[0] != SER_STRING_TYPE_TAG
+                    || array2.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                throw new AlgebricksException(funcID.getName()
+                        + ": expects iput type (STRING/NULL, STRING/NULL, STRING) but got ("
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array0.getByteArray()[0]) + ", "
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array1.getByteArray()[0]) + ", "
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array2.getByteArray()[0]) + ")");
+            }
+
         } catch (HyracksDataException e) {
             throw new AlgebricksException(e);
         }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractTripleStringStringEval.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractTripleStringStringEval.java
index e38fe8a..41d0b3d 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractTripleStringStringEval.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AbstractTripleStringStringEval.java
@@ -1,7 +1,6 @@
 package edu.uci.ics.asterix.runtime.evaluators.functions;
 
 import java.io.DataOutput;
-import java.io.IOException;
 import java.util.Arrays;
 import java.util.regex.Pattern;
 
@@ -11,7 +10,9 @@
 import edu.uci.ics.asterix.om.base.AString;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
+import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
 import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
@@ -42,12 +43,15 @@
     private ISerializerDeserializer strSerde = AqlSerializerDeserializerProvider.INSTANCE
             .getSerializerDeserializer(BuiltinType.ASTRING);
 
+    private final FunctionIdentifier funcID;
+
     public AbstractTripleStringStringEval(DataOutput dout, ICopyEvaluatorFactory eval0, ICopyEvaluatorFactory eval1,
-            ICopyEvaluatorFactory eval2) throws AlgebricksException {
+            ICopyEvaluatorFactory eval2, FunctionIdentifier funcID) throws AlgebricksException {
         this.dout = dout;
         this.eval0 = eval0.createEvaluator(array0);
         this.eval1 = eval1.createEvaluator(array1);
         this.eval2 = eval2.createEvaluator(array2);
+        this.funcID = funcID;
     }
 
     @SuppressWarnings("unchecked")
@@ -61,22 +65,25 @@
         eval2.evaluate(tuple);
 
         try {
+            // type-check: (string?, string, string)
+
             if (array0.getByteArray()[0] == SER_NULL_TYPE_TAG) {
-                nullSerde.serialize(ANull.NULL, dout);
-                return;
-            } else if (array0.getByteArray()[0] == SER_STRING_TYPE_TAG) {
-                if (array0.getByteArray()[1] == SER_NULL_TYPE_TAG) {
-                    dout.write(array0.getByteArray(), array0.getStartOffset(), array0.getLength());
+                if (array1.getByteArray()[0] == SER_STRING_TYPE_TAG && array2.getByteArray()[0] == SER_STRING_TYPE_TAG) {
+                    nullSerde.serialize(ANull.NULL, dout);
                     return;
                 }
+            }
 
-            } else {
-                throw new AlgebricksException("Expects String Type.");
+            if (array0.getByteArray()[0] != SER_STRING_TYPE_TAG || array1.getByteArray()[0] != SER_STRING_TYPE_TAG
+                    || array2.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                throw new AlgebricksException(funcID.getName()
+                        + ": expects input type (STRING/NULL, STRING, STRING), but got ("
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array0.getByteArray()[0]) + ", "
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array1.getByteArray()[0]) + ", "
+                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array2.getByteArray()[0]) + ").");
             }
         } catch (HyracksDataException e) {
             throw new AlgebricksException(e);
-        } catch (IOException e) {
-            throw new AlgebricksException(e.getMessage());
         }
 
         byte[] b0 = array0.getByteArray();
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AndDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AndDescriptor.java
index b2fc6da..a090dc2 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AndDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AndDescriptor.java
@@ -93,5 +93,4 @@
             }
         };
     }
-
 }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AnyCollectionMemberDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AnyCollectionMemberDescriptor.java
index e080a39..d704812 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AnyCollectionMemberDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/AnyCollectionMemberDescriptor.java
@@ -87,7 +87,8 @@
                         }
 
                         if (serList[0] != SER_ORDEREDLIST_TYPE_TAG && serList[0] != SER_UNORDEREDLIST_TYPE_TAG) {
-                            throw new AlgebricksException("List's get-any-item is not defined for values of type"
+                            throw new AlgebricksException(AsterixBuiltinFunctions.ANY_COLLECTION_MEMBER.getName()
+                                    + ": expects input type ORDEREDLIST/UNORDEREDLIST, but got "
                                     + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serList[0]));
                         }
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/ClosedRecordConstructorDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/ClosedRecordConstructorDescriptor.java
index ac6bfe5..cdfd9d3 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/ClosedRecordConstructorDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/ClosedRecordConstructorDescriptor.java
@@ -1,6 +1,5 @@
 package edu.uci.ics.asterix.runtime.evaluators.functions;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CodePointToStringDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CodePointToStringDescriptor.java
index 55fe563..1a3e1b8 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CodePointToStringDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CodePointToStringDescriptor.java
@@ -6,20 +6,16 @@
 import edu.uci.ics.asterix.common.exceptions.AsterixException;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt32SerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AOrderedListSerializerDeserializer;
-import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
-import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
-import edu.uci.ics.asterix.om.types.BuiltinType;
 import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
 import edu.uci.ics.hyracks.data.std.api.IDataOutputProvider;
 import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
 import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference;
@@ -36,8 +32,9 @@
             return new CodePointToStringDescriptor();
         }
     };
-    private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
     private final static byte SER_ORDEREDLIST_TYPE_TAG = ATypeTag.ORDEREDLIST.serialize();
+    private final static byte SER_INT32_TYPE_TAG = ATypeTag.INT32.serialize();
+
     private final static byte[] currentUTF8 = new byte[6];
     private final byte stringTypeTag = ATypeTag.STRING.serialize();
 
@@ -49,7 +46,7 @@
 
             private int codePointToUTF8(int c) {
                 if (c < 0x80) {
-                    currentUTF8[0] = (byte) (c & 0x7F /*mask 7 lsb: 0b1111111 */);
+                    currentUTF8[0] = (byte) (c & 0x7F /* mask 7 lsb: 0b1111111 */);
                     return 1;
                 } else if (c < 0x0800) {
                     currentUTF8[0] = (byte) (c >> 6 & 0x1F | 0xC0);
@@ -100,8 +97,10 @@
                             outInputList.reset();
                             evalList.evaluate(tuple);
                             byte[] serOrderedList = outInputList.getByteArray();
-                            if (serOrderedList[0] != SER_ORDEREDLIST_TYPE_TAG) {
-                                throw new AlgebricksException("Expects an Integer List."
+                            if (serOrderedList[0] != SER_ORDEREDLIST_TYPE_TAG
+                                    && serOrderedList[1] != SER_INT32_TYPE_TAG) {
+                                throw new AlgebricksException(AsterixBuiltinFunctions.CODEPOINT_TO_STRING.getName()
+                                        + ": expects input type ORDEREDLIST but got "
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serOrderedList[0]));
                             }
                             int size = AOrderedListSerializerDeserializer.getNumberOfItems(serOrderedList);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/ContainsDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/ContainsDescriptor.java
index f2bb83c..8fe59a8 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/ContainsDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/ContainsDescriptor.java
@@ -33,7 +33,7 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractStringContainsEval(dout, args[0], args[1]) {
+                return new AbstractStringContainsEval(dout, args[0], args[1], AsterixBuiltinFunctions.CONTAINS) {
 
                     @Override
                     protected boolean findMatch(byte[] strBytes, byte[] patternBytes) {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateCircleDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateCircleDescriptor.java
index 5cef4da..c188228 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateCircleDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateCircleDescriptor.java
@@ -13,7 +13,9 @@
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
+import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -27,6 +29,10 @@
 public class CreateCircleDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    private static final byte SER_DOUBLE_TYPE_TAG = ATypeTag.DOUBLE.serialize();
+    private static final byte SER_POINT_TYPE_TAG = ATypeTag.POINT.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new CreateCircleDescriptor();
@@ -61,6 +67,17 @@
                         outInput1.reset();
                         eval1.evaluate(tuple);
 
+                        // Type check: (point, double)
+                        if (outInput0.getByteArray()[0] != SER_POINT_TYPE_TAG
+                                || outInput1.getByteArray()[0] != SER_DOUBLE_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.CREATE_CIRCLE.getName()
+                                    + ": expects input type (POINT, DOUBLE) but got ("
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(outInput0.getByteArray()[0])
+                                    + ", "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(outInput1.getByteArray()[0])
+                                    + ")");
+                        }
+
                         try {
                             aPoint.setValue(ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
                                     APointSerializerDeserializer.getCoordinateOffset(Coordinate.X)),
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateLineDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateLineDescriptor.java
index 42931b8..3021d70 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateLineDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateLineDescriptor.java
@@ -13,7 +13,9 @@
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
+import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -27,6 +29,10 @@
 public class CreateLineDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input type
+    private static final byte SER_POINT_TYPE_TAG = ATypeTag.POINT.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new CreateLineDescriptor();
@@ -61,6 +67,17 @@
                         outInput1.reset();
                         eval1.evaluate(tuple);
 
+                        // type-check: (point, point)
+                        if (outInput0.getByteArray()[0] != SER_POINT_TYPE_TAG
+                                || outInput1.getByteArray()[0] != SER_POINT_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.CREATE_LINE.getName()
+                                    + ": expects input type: (POINT, POINT) but got ("
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(outInput0.getByteArray()[0])
+                                    + ", "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(outInput1.getByteArray()[0])
+                                    + ").");
+                        }
+
                         try {
                             aPoint[0].setValue(ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
                                     APointSerializerDeserializer.getCoordinateOffset(Coordinate.X)),
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreatePointDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreatePointDescriptor.java
index 6099ab6..e660815 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreatePointDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreatePointDescriptor.java
@@ -10,7 +10,9 @@
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
+import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -24,6 +26,10 @@
 public class CreatePointDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input type
+    private static final byte SER_DOUBLE_TYPE_TAG = ATypeTag.DOUBLE.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new CreatePointDescriptor();
@@ -57,6 +63,17 @@
                         outInput1.reset();
                         eval1.evaluate(tuple);
 
+                        // type-check: (double, double)
+                        if (outInput0.getByteArray()[0] != SER_DOUBLE_TYPE_TAG
+                                || outInput1.getByteArray()[0] != SER_DOUBLE_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.CREATE_POINT.getName()
+                                    + ": expects input type: (DOUBLE, DOUBLE) but got ("
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(outInput0.getByteArray()[0])
+                                    + ", "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(outInput1.getByteArray()[0])
+                                    + ").");
+                        }
+
                         try {
                             aPoint.setValue(ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(), 1),
                                     ADoubleSerializerDeserializer.getDouble(outInput1.getByteArray(), 1));
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateRectangleDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateRectangleDescriptor.java
index 36a9266..a9c3b09 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateRectangleDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/CreateRectangleDescriptor.java
@@ -13,7 +13,9 @@
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
+import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -27,6 +29,10 @@
 public class CreateRectangleDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input type
+    private static final byte SER_POINT_TYPE_TAG = ATypeTag.POINT.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new CreateRectangleDescriptor();
@@ -60,6 +66,16 @@
                         outInput1.reset();
                         eval1.evaluate(tuple);
 
+                        if (outInput0.getByteArray()[0] != SER_POINT_TYPE_TAG
+                                || outInput1.getByteArray()[0] != SER_POINT_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.CREATE_RECTANGLE.getName()
+                                    + ": expects input type: (POINT, POINT) but got ("
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(outInput0.getByteArray()[0])
+                                    + ", "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(outInput1.getByteArray()[0])
+                                    + ".");
+                        }
+
                         try {
                             aPoint[0].setValue(ADoubleSerializerDeserializer.getDouble(outInput0.getByteArray(),
                                     APointSerializerDeserializer.getCoordinateOffset(Coordinate.X)),
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceCheckDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceCheckDescriptor.java
index ca61b5b..028c31b 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceCheckDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceCheckDescriptor.java
@@ -92,8 +92,8 @@
                 }
 
                 default: {
-                    throw new AlgebricksException("Invalid type " + argType
-                            + " passed as argument to edit distance function.");
+                    throw new AlgebricksException(AsterixBuiltinFunctions.EDIT_DISTANCE_CHECK.getName()
+                            + ": expects input type as STRING or ORDEREDLIST but got " + argType + ".");
                 }
 
             }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceListIsFilterable.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceListIsFilterable.java
index 7c47cad..5866bf7 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceListIsFilterable.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceListIsFilterable.java
@@ -94,9 +94,9 @@
                     break;
                 }
                 default: {
-                    throw new AlgebricksException(
-                            "Expected type 'ORDEREDLIST' or 'UNORDEREDLIST' as first argument. Encountered '"
-                                    + typeTag.toString() + "'.");
+                    throw new AlgebricksException(AsterixBuiltinFunctions.EDIT_DISTANCE_LIST_IS_FILTERABLE.getName()
+                            + ": expects input type ORDEREDLIST or UNORDEREDLIST as the first argument, but got "
+                            + typeTag + ".");
                 }
             }
 
@@ -105,8 +105,8 @@
             edThreshEval.evaluate(tuple);
             typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argBuf.getByteArray()[0]);
             if (!typeTag.equals(ATypeTag.INT32)) {
-                throw new AlgebricksException("Expected type 'INT32' as second argument. Encountered '"
-                        + typeTag.toString() + "'.");
+                throw new AlgebricksException(AsterixBuiltinFunctions.EDIT_DISTANCE_LIST_IS_FILTERABLE.getName()
+                        + ": expected type INT32 as the second argument, but got " + typeTag + ".");
             }
             int edThresh = IntegerSerializerDeserializer.getInt(argBuf.getByteArray(), 1);
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceStringIsFilterable.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceStringIsFilterable.java
index e8571bf..512a76b 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceStringIsFilterable.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EditDistanceStringIsFilterable.java
@@ -88,8 +88,8 @@
             stringEval.evaluate(tuple);
             typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argBuf.getByteArray()[0]);
             if (!typeTag.equals(ATypeTag.STRING)) {
-                throw new AlgebricksException("Expected type 'STRING' as first argument. Encountered '"
-                        + typeTag.toString() + "'.");
+                throw new AlgebricksException(AsterixBuiltinFunctions.EDIT_DISTANCE_STRING_IS_FILTERABLE.getName()
+                        + ": expects input type STRING as first argument, but got " + typeTag + ".");
             }
             int utf8Length = UTF8StringPointable.getUTFLength(argBuf.getByteArray(), 1);
             int pos = 3;
@@ -105,8 +105,8 @@
             edThreshEval.evaluate(tuple);
             typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argBuf.getByteArray()[0]);
             if (!typeTag.equals(ATypeTag.INT32)) {
-                throw new AlgebricksException("Expected type 'INT32' as second argument. Encountered '"
-                        + typeTag.toString() + "'.");
+                throw new AlgebricksException(AsterixBuiltinFunctions.EDIT_DISTANCE_STRING_IS_FILTERABLE.getName()
+                        + ": expects input type INT32 as second argument, but got " + typeTag + ".");
             }
             int edThresh = IntegerSerializerDeserializer.getInt(argBuf.getByteArray(), 1);
 
@@ -115,8 +115,8 @@
             gramLenEval.evaluate(tuple);
             typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argBuf.getByteArray()[0]);
             if (!typeTag.equals(ATypeTag.INT32)) {
-                throw new AlgebricksException("Expected type 'INT32' as third argument. Encountered '"
-                        + typeTag.toString() + "'.");
+                throw new AlgebricksException(AsterixBuiltinFunctions.EDIT_DISTANCE_STRING_IS_FILTERABLE.getName()
+                        + ": expects input type INT32 as third argument, but got " + typeTag + ".");
             }
             int gramLen = IntegerSerializerDeserializer.getInt(argBuf.getByteArray(), 1);
 
@@ -125,8 +125,8 @@
             usePrePostEval.evaluate(tuple);
             typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argBuf.getByteArray()[0]);
             if (!typeTag.equals(ATypeTag.BOOLEAN)) {
-                throw new AlgebricksException("Expected type 'BOOLEAN' as fourth argument. Encountered '"
-                        + typeTag.toString() + "'.");
+                throw new AlgebricksException(AsterixBuiltinFunctions.EDIT_DISTANCE_STRING_IS_FILTERABLE.getName()
+                        + ": expects input type BOOLEAN as fourth argument, but got " + typeTag + ".");
             }
             boolean usePrePost = BooleanSerializerDeserializer.getBoolean(argBuf.getByteArray(), 1);
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EndsWithDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EndsWithDescriptor.java
index d5d74bb..bd5757d 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EndsWithDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/EndsWithDescriptor.java
@@ -33,7 +33,7 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractStringContainsEval(dout, args[0], args[1]) {
+                return new AbstractStringContainsEval(dout, args[0], args[1], AsterixBuiltinFunctions.ENDS_WITH) {
 
                     @Override
                     protected boolean findMatch(byte[] strBytes, byte[] patternBytes) {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/FieldAccessByNameDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/FieldAccessByNameDescriptor.java
index 3c4e6d8..09a9940 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/FieldAccessByNameDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/FieldAccessByNameDescriptor.java
@@ -4,7 +4,6 @@
 import java.io.IOException;
 
 import edu.uci.ics.asterix.common.exceptions.AsterixException;
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ARecordSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ANull;
@@ -93,7 +92,8 @@
                         }
 
                         if (serRecord[0] != SER_RECORD_TYPE_TAG) {
-                            throw new AlgebricksException("Field accessor is not defined for values of type"
+                            throw new AlgebricksException(AsterixBuiltinFunctions.FIELD_ACCESS_BY_NAME.getName()
+                                    + ": expects input type NULL or RECORD, but got "
                                     + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serRecord[0]));
                         }
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/GetItemDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/GetItemDescriptor.java
index ca65c11..b41347d 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/GetItemDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/GetItemDescriptor.java
@@ -52,6 +52,7 @@
         private ICopyEvaluatorFactory indexEvalFactory;
         private final static byte SER_ORDEREDLIST_TYPE_TAG = ATypeTag.ORDEREDLIST.serialize();
         private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
+        private final static byte SER_INT32_TYPE_TAG = ATypeTag.INT32.serialize();
         private byte serItemTypeTag;
         private ATypeTag itemTag;
         private boolean selfDescList = false;
@@ -92,9 +93,13 @@
                             return;
                         }
 
-                        if (serOrderedList[0] != SER_ORDEREDLIST_TYPE_TAG) {
-                            throw new AlgebricksException("List's get-item can not be called on values of type"
-                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serOrderedList[0]));
+                        if (serOrderedList[0] != SER_ORDEREDLIST_TYPE_TAG
+                                || outInputIdx.getByteArray()[0] != SER_INT32_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.GET_ITEM.getName()
+                                    + ": expects input type (NULL/ORDEREDLIST, INT32), but got ("
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serOrderedList[0]) + ", "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(outInputIdx.getByteArray()[0])
+                                    + ").");
                         }
 
                         itemIndex = IntegerSerializerDeserializer.getInt(outInputIdx.getByteArray(), 1);
@@ -103,7 +108,8 @@
                             return;
                         }
                         if (itemIndex < 0)
-                            throw new AlgebricksException("Item index can be negative !!");
+                            throw new AlgebricksException(AsterixBuiltinFunctions.GET_ITEM.getName()
+                                    + ": item index can be negative!");
 
                         itemTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serOrderedList[1]);
                         if (itemTag == ATypeTag.ANY)
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/InjectFailureDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/InjectFailureDescriptor.java
index 3247475..e35c56f 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/InjectFailureDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/InjectFailureDescriptor.java
@@ -58,7 +58,8 @@
                             if (typeTag == ATypeTag.BOOLEAN) {
                                 boolean argResult = ABooleanSerializerDeserializer.getBoolean(argOut.getByteArray(), 1);
                                 if (argResult)
-                                    throw new AlgebricksException("Injecting a intended failure");
+                                    throw new AlgebricksException(AsterixBuiltinFunctions.INJECT_FAILURE
+                                            + ": injecting a intended failure");
                             }
 
                             // evaluate the real evaluator
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/LenDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/LenDescriptor.java
index abea4e3..48e575a 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/LenDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/LenDescriptor.java
@@ -14,6 +14,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -78,7 +79,9 @@
                         }
 
                         if (serList[0] != SER_ORDEREDLIST_TYPE_TAG && serList[0] != SER_UNORDEREDLIST_TYPE_TAG) {
-                            throw new AlgebricksException("len() can only be called on ordered or unordered lists.");
+                            throw new AlgebricksException(AsterixBuiltinFunctions.LEN.getName()
+                                    + ": expects input type ORDEREDLIST/UNORDEREDLIST but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serList[0]));
                         }
 
                         int numberOfitems = 0;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/LikeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/LikeDescriptor.java
index 4344f33..58b5b7b 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/LikeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/LikeDescriptor.java
@@ -18,6 +18,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -39,7 +40,11 @@
 public class LikeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
+    private final static byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new LikeDescriptor();
@@ -94,6 +99,12 @@
                                 nullSerde.serialize(ANull.NULL, dout);
                                 return;
                             }
+                            if (array0.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                                throw new AlgebricksException(AsterixBuiltinFunctions.LIKE
+                                        + ": expects input type STRING/NULL for the first argument but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array0.getByteArray()[0])
+                                        + ".");
+                            }
                             boolean newPattern = false;
                             if (first) {
                                 first = false;
@@ -121,6 +132,12 @@
                                 nullSerde.serialize(ANull.NULL, dout);
                                 return;
                             }
+                            if (array0.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                                throw new AlgebricksException(AsterixBuiltinFunctions.LIKE
+                                        + ": expects input type (STRING/NULL, STRING/NULL) but got (STRING, "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array0.getByteArray()[0])
+                                        + ").");
+                            }
                             carSeq.reset(array0, 1);
                             if (newPattern) {
                                 matcher = pattern.matcher(carSeq);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NotDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NotDescriptor.java
index 41ec790..1553a1a 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NotDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NotDescriptor.java
@@ -53,7 +53,8 @@
                     private ArrayBackedValueStorage argOut = new ArrayBackedValueStorage();
                     private ICopyEvaluator eval = args[0].createEvaluator(argOut);
 
-                    private String errorMessage = "Not() can only be applied on boolean";
+                    private String errorMessage = AsterixBuiltinFunctions.NOT.getName()
+                            + ": expects input type BOOLEAN/NULL";
                     @SuppressWarnings("unchecked")
                     private ISerializerDeserializer<ABoolean> booleanSerde = AqlSerializerDeserializerProvider.INSTANCE
                             .getSerializerDeserializer(BuiltinType.ABOOLEAN);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NotNullDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NotNullDescriptor.java
index 12e73f6..6c4126f 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NotNullDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NotNullDescriptor.java
@@ -57,7 +57,8 @@
                     private DataOutput out = output.getDataOutput();
                     private ArrayBackedValueStorage outInput = new ArrayBackedValueStorage();
                     private ICopyEvaluator eval = args[0].createEvaluator(outInput);
-                    private String errorMessage = "The input value cannot be null!";
+                    private String errorMessage = AsterixBuiltinFunctions.NOT_NULL
+                            + ": the input value cannot be NULL.";
 
                     @Override
                     public void evaluate(IFrameTupleReference tuple) throws AlgebricksException {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericAbsDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericAbsDescriptor.java
index c013750..4ba5d40 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericAbsDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericAbsDescriptor.java
@@ -129,7 +129,8 @@
                                 aDouble.setValue((val <= 0.0D) ? 0.0D - val : val);
                                 serde.serialize(aDouble, out);
                             } else {
-                                throw new NotImplementedException("Numeric Abs is not implemented for "
+                                throw new NotImplementedException(AsterixBuiltinFunctions.NUMERIC_ABS.getName()
+                                        + ": not implemented for "
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
                             }
                         } catch (HyracksDataException e) {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericCeilingDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericCeilingDescriptor.java
index 14d1f78..c5ae80b 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericCeilingDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericCeilingDescriptor.java
@@ -130,7 +130,8 @@
                                 aDouble.setValue(Math.ceil(val));
                                 serde.serialize(aDouble, out);
                             } else {
-                                throw new NotImplementedException("Numeric Ceiling is not implemented for "
+                                throw new NotImplementedException(AsterixBuiltinFunctions.NUMERIC_CEILING.getName()
+                                        + ": not implemented for "
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
                             }
                         } catch (HyracksDataException e) {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericFloorDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericFloorDescriptor.java
index 99dd240..89deafd 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericFloorDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericFloorDescriptor.java
@@ -129,7 +129,7 @@
                                 aDouble.setValue(Math.floor(val));
                                 serde.serialize(aDouble, out);
                             } else {
-                                throw new NotImplementedException("Numeric Floor is not implemented for "
+                                throw new NotImplementedException(AsterixBuiltinFunctions.NUMERIC_FLOOR.getName() + ": not implemented for "
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
                             }
                         } catch (HyracksDataException e) {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericModuloDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericModuloDescriptor.java
index b7fba62..3dff635 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericModuloDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericModuloDescriptor.java
@@ -142,8 +142,9 @@
                                         return;
                                     }
                                     default: {
-                                        throw new NotImplementedException(i == 0 ? "Left" : "Right"
-                                                + " Operand of Modulo can not be "
+                                        throw new NotImplementedException(AsterixBuiltinFunctions.NUMERIC_MOD.getName()
+                                                + (i == 0 ? ": left" : ": right")
+                                                + " operand can not be "
                                                 + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
                                                         .getByteArray()[0]));
                                     }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundDescriptor.java
index bc565ce..505277e 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundDescriptor.java
@@ -131,7 +131,8 @@
                                 aDouble.setValue(val);
                                 serde.serialize(aDouble, out);
                             } else {
-                                throw new NotImplementedException("Numeric Round is not implemented for "
+                                throw new NotImplementedException(AsterixBuiltinFunctions.NUMERIC_ROUND.getName()
+                                        + ": not implemented for "
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
                             }
                         } catch (HyracksDataException e) {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundHalfToEven2Descriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundHalfToEven2Descriptor.java
index e205bf5..6613994 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundHalfToEven2Descriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundHalfToEven2Descriptor.java
@@ -99,8 +99,8 @@
                         } else if (argOut.getByteArray()[0] == serInt64TypeTag) {
                             return (int) AInt64SerializerDeserializer.getLong(argOut.getByteArray(), 1);
                         } else {
-                            throw new AlgebricksException(
-                                    "The precision argument for round-half-to-even should be an integer.");
+                            throw new AlgebricksException(AsterixBuiltinFunctions.NUMERIC_ROUND_HALF_TO_EVEN2.getName()
+                                    + ": the precision argument should be an INT8/INT16/INT32/INT64.");
                         }
                     }
 
@@ -166,8 +166,11 @@
                                     serde.serialize(aDouble, out);
                                 }
                             } else {
-                                throw new NotImplementedException("Numeric Round Half to Even is not implemented for "
-                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
+                                throw new NotImplementedException(
+                                        AsterixBuiltinFunctions.NUMERIC_ROUND_HALF_TO_EVEN2.getName()
+                                                + ": not implemented for "
+                                                + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
+                                                        .getByteArray()[0]));
                             }
                         } catch (HyracksDataException e) {
                             throw new AlgebricksException(e);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundHalfToEvenDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundHalfToEvenDescriptor.java
index 1b54090..69cd990 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundHalfToEvenDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericRoundHalfToEvenDescriptor.java
@@ -130,8 +130,11 @@
                                 aDouble.setValue(Math.rint(val));
                                 serde.serialize(aDouble, out);
                             } else {
-                                throw new NotImplementedException("Numeric Round Half to Even is not implemented for "
-                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
+                                throw new NotImplementedException(
+                                        AsterixBuiltinFunctions.NUMERIC_ROUND_HALF_TO_EVEN.getName()
+                                                + ": not implemented for "
+                                                + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
+                                                        .getByteArray()[0]));
                             }
                         } catch (HyracksDataException e) {
                             throw new AlgebricksException(e);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericSubtractDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericSubtractDescriptor.java
index 7ce452e..ca68215 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericSubtractDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericSubtractDescriptor.java
@@ -125,10 +125,12 @@
                                         return;
                                     }
                                     default: {
-                                        throw new NotImplementedException(i == 0 ? "Left" : "Right"
-                                                + " Operand of Substraction can not be "
-                                                + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
-                                                        .getByteArray()[0]));
+                                        throw new NotImplementedException(
+                                                AsterixBuiltinFunctions.NUMERIC_SUBTRACT.getName()
+                                                        + (i == 0 ? ": left" : ": right")
+                                                        + " operand can not be "
+                                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
+                                                                .getByteArray()[0]));
                                     }
                                 }
                             }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericUnaryMinusDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericUnaryMinusDescriptor.java
index 6fec336..4192b6d 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericUnaryMinusDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/NumericUnaryMinusDescriptor.java
@@ -114,7 +114,8 @@
                                 aDouble.setValue(-ADoubleSerializerDeserializer.getDouble(argOut.getByteArray(), 1));
                                 serde.serialize(aDouble, out);
                             } else {
-                                throw new NotImplementedException("Unary minus is not implemented for "
+                                throw new NotImplementedException(AsterixBuiltinFunctions.NUMERIC_UNARY_MINUS.getName()
+                                        + ": not implemented for "
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
                             }
                         } catch (HyracksDataException e) {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/PrefixLenDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/PrefixLenDescriptor.java
index 019f655..10d8ff0 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/PrefixLenDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/PrefixLenDescriptor.java
@@ -10,7 +10,9 @@
 import edu.uci.ics.asterix.om.base.AMutableInt32;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
+import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.asterix.runtime.evaluators.common.SimilarityFiltersCache;
 import edu.uci.ics.fuzzyjoin.similarity.SimilarityFilters;
@@ -27,7 +29,14 @@
 public class PrefixLenDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
-    private final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "prefix-len@3", 3);
+
+    // allowed input types
+    private final static byte SER_INT32_TYPE_TAG = ATypeTag.INT32.serialize();
+    private final static byte SER_DOUBLE_TYPE_TAG = ATypeTag.DOUBLE.serialize();
+    private final static byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+
+    private final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "prefix-len@3",
+            3);
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new PrefixLenDescriptor();
@@ -64,17 +73,32 @@
                         // length
                         inputVal.reset();
                         evalLen.evaluate(tuple);
+                        if (inputVal.getByteArray()[0] != SER_INT32_TYPE_TAG) {
+                            throw new AlgebricksException(FID.getName()
+                                    + ": expects type Int32 for the first argument, but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]));
+                        }
                         int length = IntegerSerializerDeserializer.getInt(inputVal.getByteArray(), 1);
 
                         // similarity threshold
                         inputVal.reset();
                         evalThreshold.evaluate(tuple);
+                        if (inputVal.getByteArray()[0] != SER_DOUBLE_TYPE_TAG) {
+                            throw new AlgebricksException(FID.getName()
+                                    + ": expects type DOUBLE for the second argument, but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]));
+                        }
                         float similarityThreshold = (float) ADoubleSerializerDeserializer.getDouble(
                                 inputVal.getByteArray(), 1);
 
                         // similarity name
                         inputVal.reset();
                         evalSimilarity.evaluate(tuple);
+                        if (inputVal.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                            throw new AlgebricksException(FID.getName()
+                                    + ": expects type STRING for the third argument, but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]));
+                        }
                         SimilarityFilters similarityFilters = similarityFiltersCache.get(similarityThreshold,
                                 inputVal.getByteArray());
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/PrefixLenJaccardDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/PrefixLenJaccardDescriptor.java
index 4138932..3e4a515 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/PrefixLenJaccardDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/PrefixLenJaccardDescriptor.java
@@ -10,7 +10,9 @@
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
+import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.fuzzyjoin.similarity.SimilarityFiltersJaccard;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
@@ -26,6 +28,11 @@
 public class PrefixLenJaccardDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input types
+    private final static byte SER_INT32_TYPE_TAG = ATypeTag.INT32.serialize();
+    private final static byte SER_FLOAT_TYPE_TAG = ATypeTag.FLOAT.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new PrefixLenJaccardDescriptor();
@@ -62,11 +69,21 @@
                         // length
                         inputVal.reset();
                         evalLen.evaluate(tuple);
+                        if (inputVal.getByteArray()[0] != SER_INT32_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.PREFIX_LEN_JACCARD.getName()
+                                    + ": expects type Int32 the first argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]));
+                        }
                         int length = IntegerSerializerDeserializer.getInt(inputVal.getByteArray(), 1);
 
                         // similarity threshold
                         inputVal.reset();
                         evalThreshold.evaluate(tuple);
+                        if (inputVal.getByteArray()[0] != SER_FLOAT_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.PREFIX_LEN_JACCARD.getName()
+                                    + ": expects type FLOAT the first argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]));
+                        }
                         float similarityThreshold = (float) AFloatSerializerDeserializer.getFloat(
                                 inputVal.getByteArray(), 1);
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/RegExpDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/RegExpDescriptor.java
index be01d28..c91bcb2 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/RegExpDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/RegExpDescriptor.java
@@ -17,6 +17,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -38,7 +39,11 @@
 public class RegExpDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
+    private final static byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new RegExpDescriptor();
@@ -93,6 +98,11 @@
                                 nullSerde.serialize(ANull.NULL, dout);
                                 return;
                             }
+                            if (array0.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                                throw new AlgebricksException(AsterixBuiltinFunctions.REG_EXP.getName()
+                                        + ": expects type STRING/NULL for the first input argument but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array0.getByteArray()[0]));
+                            }
                             boolean newPattern = false;
                             if (first) {
                                 first = false;
@@ -120,6 +130,11 @@
                                 nullSerde.serialize(ANull.NULL, dout);
                                 return;
                             }
+                            if (array0.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                                throw new AlgebricksException(AsterixBuiltinFunctions.REG_EXP.getName()
+                                        + ": expects type STRING/NULL for the second input argument but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(array0.getByteArray()[0]));
+                            }
                             carSeq.reset(array0, 1);
                             if (newPattern) {
                                 matcher = pattern.matcher(carSeq);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SimilarityDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SimilarityDescriptor.java
index a2d9cc7..123e653 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SimilarityDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SimilarityDescriptor.java
@@ -35,10 +35,15 @@
 public class SimilarityDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
-    private final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "similarity@7", 7);
+    private final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "similarity@7",
+            7);
 
+    private final static byte SER_DOUBLE_TYPE_TAG = ATypeTag.DOUBLE.serialize();
+    private final static byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+    private final static byte SER_INT32_TYPE_TAG = ATypeTag.INT32.serialize();
     private final static byte SER_ORDEREDLIST_TYPE_TAG = ATypeTag.ORDEREDLIST.serialize();
     private final static byte SER_UNORDEREDLIST_TYPE_TAG = ATypeTag.UNORDEREDLIST.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new SimilarityDescriptor();
@@ -83,21 +88,41 @@
                         // similarity threshold
                         inputVal.reset();
                         evalThreshold.evaluate(tuple);
+                        if (inputVal.getByteArray()[0] != SER_DOUBLE_TYPE_TAG) {
+                            throw new AlgebricksException(FID.getName()
+                                    + ": expects type DOUBLE for the first argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]));
+                        }
                         float similarityThreshold = (float) ADoubleSerializerDeserializer.getDouble(
                                 inputVal.getByteArray(), 1);
 
                         // similarity name
                         inputVal.reset();
                         evalSimilarity.evaluate(tuple);
+                        if (inputVal.getByteArray()[0] != SER_STRING_TYPE_TAG) {
+                            throw new AlgebricksException(FID.getName()
+                                    + ": expects type STRING for the second argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]));
+                        }
                         SimilarityFilters similarityFilters = similarityFiltersCache.get(similarityThreshold,
                                 inputVal.getByteArray());
 
                         inputVal.reset();
                         evalLen1.evaluate(tuple);
+                        if (inputVal.getByteArray()[0] != SER_INT32_TYPE_TAG) {
+                            throw new AlgebricksException(FID.getName()
+                                    + ": expects type INT32 for the thrid argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]));
+                        }
                         int length1 = IntegerSerializerDeserializer.getInt(inputVal.getByteArray(), 1);
 
                         inputVal.reset();
                         evalLen2.evaluate(tuple);
+                        if (inputVal.getByteArray()[0] != SER_INT32_TYPE_TAG) {
+                            throw new AlgebricksException(FID.getName()
+                                    + ": expects type INT32 for the fourth argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]));
+                        }
                         int length2 = IntegerSerializerDeserializer.getInt(inputVal.getByteArray(), 1);
 
                         float sim = 0;
@@ -115,7 +140,7 @@
 
                             byte[] serList = inputVal.getByteArray();
                             if (serList[0] != SER_ORDEREDLIST_TYPE_TAG && serList[0] != SER_UNORDEREDLIST_TYPE_TAG) {
-                                throw new AlgebricksException("Scan collection is not defined for values of type"
+                                throw new AlgebricksException(FID.getName() + ": not defined for values of type"
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serList[0]));
                             }
 
@@ -159,7 +184,7 @@
 
                             serList = inputVal.getByteArray();
                             if (serList[0] != SER_ORDEREDLIST_TYPE_TAG && serList[0] != SER_UNORDEREDLIST_TYPE_TAG) {
-                                throw new AlgebricksException("Scan collection is not defined for values of type"
+                                throw new AlgebricksException(FID.getName() + ": not defined for values of type"
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serList[0]));
                             }
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SimilarityJaccardPrefixDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SimilarityJaccardPrefixDescriptor.java
index 3c2f981..79a0894 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SimilarityJaccardPrefixDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SimilarityJaccardPrefixDescriptor.java
@@ -1,6 +1,5 @@
 package edu.uci.ics.asterix.runtime.evaluators.functions;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialAreaDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialAreaDescriptor.java
index d887894..15e4b40 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialAreaDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialAreaDescriptor.java
@@ -70,7 +70,8 @@
                                     int numOfPoints = AInt16SerializerDeserializer.getShort(argOut.getByteArray(), 1);
 
                                     if (numOfPoints < 3) {
-                                        throw new AlgebricksException("Polygon must have at least 3 points");
+                                        throw new AlgebricksException(AsterixBuiltinFunctions.SPATIAL_AREA.getName()
+                                                + ": polygon must have at least 3 points");
                                     }
                                     area = Math.abs(SpatialUtils.polygonArea(argOut.getByteArray(), numOfPoints));
                                     out.writeByte(ATypeTag.DOUBLE.serialize());
@@ -105,8 +106,9 @@
                                     nullSerde.serialize(ANull.NULL, out);
                                     break;
                                 default:
-                                    throw new NotImplementedException("spatial-area does not support the type: " + tag
-                                            + " It is only implemented for POLYGON, CIRCLE and RECTANGLE.");
+                                    throw new NotImplementedException(AsterixBuiltinFunctions.SPATIAL_AREA.getName()
+                                            + ": does not support the type: " + tag
+                                            + "; it is only implemented for POLYGON, CIRCLE and RECTANGLE.");
                             }
                         } catch (HyracksDataException hde) {
                             throw new AlgebricksException(hde);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialCellDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialCellDescriptor.java
index 6583f19..9b8d1a4 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialCellDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialCellDescriptor.java
@@ -103,8 +103,8 @@
                             } else if (tag == ATypeTag.NULL) {
                                 nullSerde.serialize(ANull.NULL, out);
                             } else {
-                                throw new NotImplementedException("spatial-cell does not support the type: " + tag
-                                        + " It is only implemented for POINT.");
+                                throw new NotImplementedException(AsterixBuiltinFunctions.SPATIAL_CELL.getName()
+                                        + ": does not support the type: " + tag + "; it is only implemented for POINT.");
                             }
                         } catch (IOException e1) {
                             throw new AlgebricksException(e1);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialDistanceDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialDistanceDescriptor.java
index 688a72c..c1b965d 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialDistanceDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialDistanceDescriptor.java
@@ -79,14 +79,17 @@
                                             APointSerializerDeserializer.getCoordinateOffset(Coordinate.Y));
                                     distance = Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
                                 } else {
-                                    throw new NotImplementedException("spatial-distance does not support the type: "
-                                            + tag1 + " It is only implemented for POINT.");
+                                    throw new NotImplementedException(
+                                            AsterixBuiltinFunctions.SPATIAL_DISTANCE.getName()
+                                                    + ": does not support the type: " + tag1
+                                                    + "; it is only implemented for POINT.");
                                 }
                             } else if (tag0 == ATypeTag.NULL || tag1 == ATypeTag.NULL) {
                                 nullSerde.serialize(ANull.NULL, out);
                             } else {
-                                throw new NotImplementedException("spatial-distance does not support the type: " + tag0
-                                        + " It is only implemented for POINT.");
+                                throw new NotImplementedException(AsterixBuiltinFunctions.SPATIAL_DISTANCE.getName()
+                                        + ": does not support the type: " + tag1
+                                        + "; it is only implemented for POINT.");
                             }
                             out.writeByte(ATypeTag.DOUBLE.serialize());
                             out.writeDouble(distance);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
index 415e44f..96d8a3c 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SpatialIntersectDescriptor.java
@@ -36,6 +36,7 @@
 public class SpatialIntersectDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new SpatialIntersectDescriptor();
@@ -97,7 +98,8 @@
                                 APolygonSerializerDeserializer.getNumberOfPointsOffset());
 
                         if (numOfPoints1 < 3) {
-                            throw new HyracksDataException("Polygon must have at least 3 points.");
+                            throw new HyracksDataException(AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                    + ": polygon must have at least 3 points.");
                         }
 
                         int counter = 0;
@@ -204,7 +206,8 @@
                                 APolygonSerializerDeserializer.getNumberOfPointsOffset());
 
                         if (numOfPoints1 < 3) {
-                            throw new HyracksDataException("Polygon must have at least 3 points.");
+                            throw new HyracksDataException(AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                    + ": polygon must have at least 3 points.");
                         }
                         for (int i = 0; i < numOfPoints1; i++) {
                             double startX2 = ADoubleSerializerDeserializer.getDouble(bytes1,
@@ -354,7 +357,8 @@
                         int v = middleVertex;
                         while (!foundEar) {
                             if (0 >= (nonSimplePolygonDetection--)) {
-                                throw new NotImplementedException("Non-simple polygons are not supported.");
+                                throw new HyracksDataException(AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                        + ": non-simple polygons are not supported.");
                             }
                             int u = v;
                             if (numOfPoints <= u) {
@@ -638,7 +642,8 @@
                                 APolygonSerializerDeserializer.getNumberOfPointsOffset());
 
                         if (numOfPoints1 < 3) {
-                            throw new AlgebricksException("Polygon must have at least 3 points.");
+                            throw new HyracksDataException(AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                    + ": polygon must have at least 3 points.");
                         }
 
                         getCounterClockWisePolygon(bytes1, pointsOffsets1, numOfPoints1);
@@ -689,7 +694,8 @@
                                 APolygonSerializerDeserializer.getNumberOfPointsOffset());
 
                         if (numOfPoints < 3) {
-                            throw new AlgebricksException("Polygon must have at least 3 points.");
+                            throw new HyracksDataException(AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                    + ": polygon must have at least 3 points.");
                         }
 
                         getCounterClockWisePolygon(bytes0, pointsOffsets0, numOfPoints);
@@ -788,9 +794,10 @@
                                             break;
                                         default:
                                             throw new NotImplementedException(
-                                                    "spatial-intersection does not support the type: "
+                                                    AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                                            + ": does not support the type: "
                                                             + tag1
-                                                            + " It is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
+                                                            + "; it is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
                                     }
                                     break;
                                 case LINE:
@@ -864,9 +871,10 @@
                                             break;
                                         default:
                                             throw new NotImplementedException(
-                                                    "spatial-intersection does not support the type: "
+                                                    AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                                            + ": does not support the type: "
                                                             + tag1
-                                                            + " It is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
+                                                            + "; it is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
                                     }
                                     break;
                                 case POLYGON:
@@ -965,9 +973,10 @@
                                             break;
                                         default:
                                             throw new NotImplementedException(
-                                                    "spatial-intersection does not support the type: "
+                                                    AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                                            + ": does not support the type: "
                                                             + tag1
-                                                            + " It is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
+                                                            + "; it is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
                                     }
                                     break;
                                 case CIRCLE:
@@ -996,9 +1005,10 @@
                                             break;
                                         default:
                                             throw new NotImplementedException(
-                                                    "spatial-intersection does not support the type: "
+                                                    AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                                            + ": does not support the type: "
                                                             + tag1
-                                                            + " It is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
+                                                            + "; it is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
                                     }
                                     break;
                                 case RECTANGLE:
@@ -1050,9 +1060,10 @@
                                             break;
                                         default:
                                             throw new NotImplementedException(
-                                                    "spatial-intersection does not support the type: "
+                                                    AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                                            + ": does not support the type: "
                                                             + tag1
-                                                            + " It is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
+                                                            + "; it is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
                                     }
                                     break;
                                 case NULL:
@@ -1060,8 +1071,9 @@
                                     break;
                                 default:
                                     throw new NotImplementedException(
-                                            "spatial-intersection does not support the type: " + tag0
-                                                    + " It is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
+                                            AsterixBuiltinFunctions.SPATIAL_INTERSECT.getName()
+                                                    + ": does not support the type: " + tag1
+                                                    + "; it is only implemented for POINT, ALINE, POLYGON, and CIRCLE.");
                             }
 
                             ABoolean aResult = res ? (ABoolean.TRUE) : (ABoolean.FALSE);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StartsWithDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StartsWithDescriptor.java
index 4ac02cf..9358030 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StartsWithDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StartsWithDescriptor.java
@@ -33,7 +33,7 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractStringContainsEval(dout, args[0], args[1]) {
+                return new AbstractStringContainsEval(dout, args[0], args[1], AsterixBuiltinFunctions.STARTS_WITH) {
 
                     @Override
                     protected boolean findMatch(byte[] strBytes, byte[] patternBytes) {
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringConcatDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringConcatDescriptor.java
index f53ebe8..bcd199c 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringConcatDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringConcatDescriptor.java
@@ -11,6 +11,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.asterix.runtime.evaluators.common.AsterixListAccessor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
@@ -30,6 +31,10 @@
 public class StringConcatDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    private static final byte SER_ORDEREDLIST_TYPE_TAG = ATypeTag.ORDEREDLIST.serialize();
+    private static final byte SER_UNORDEREDLIST_TYPE_TAG = ATypeTag.UNORDEREDLIST.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new StringConcatDescriptor();
@@ -61,6 +66,11 @@
                             outInputList.reset();
                             evalList.evaluate(tuple);
                             byte[] listBytes = outInputList.getByteArray();
+                            if (listBytes[0] != SER_ORDEREDLIST_TYPE_TAG && listBytes[0] != SER_UNORDEREDLIST_TYPE_TAG) {
+                                throw new AlgebricksException(AsterixBuiltinFunctions.STRING_CONCAT.getName()
+                                        + ": expects input type ORDEREDLIST/UNORDEREDLIST, but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(listBytes[0]));
+                            }
                             try {
                                 listAccessor.reset(listBytes, 0);
                             } catch (AsterixException e) {
@@ -77,8 +87,8 @@
                                             nullSerde.serialize(ANull.NULL, out);
                                             return;
                                         }
-                                        throw new AlgebricksException("Unsupported type " + itemType
-                                                + " in list passed to string-concat function.");
+                                        throw new AlgebricksException(AsterixBuiltinFunctions.STRING_CONCAT.getName()
+                                                + ": expects type STRING/NULL for the list item but got " + itemType);
                                     }
                                     utf8Len += UTF8StringPointable.getUTFLength(listBytes, itemOffset);
                                 }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringEndWithDescrtiptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringEndWithDescrtiptor.java
index aed2199..6d0eaad 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringEndWithDescrtiptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringEndWithDescrtiptor.java
@@ -41,7 +41,7 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractBinaryStringBoolEval(dout, args[0], args[1]) {
+                return new AbstractBinaryStringBoolEval(dout, args[0], args[1], AsterixBuiltinFunctions.STRING_END_WITH) {
 
                     @Override
                     protected boolean compute(byte[] lBytes, int lLen, int lStart, byte[] rBytes, int rLen, int rStart,
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringEqualDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringEqualDescriptor.java
index f71b09f..e921e45 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringEqualDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringEqualDescriptor.java
@@ -37,7 +37,7 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractBinaryStringBoolEval(dout, args[0], args[1]) {
+                return new AbstractBinaryStringBoolEval(dout, args[0], args[1], AsterixBuiltinFunctions.STRING_EQUAL) {
 
                     @Override
                     protected boolean compute(byte[] lBytes, int lLen, int lStart, byte[] rBytes, int rLen, int rStart,
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringJoinDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringJoinDescriptor.java
index 67334ce..9c2f960 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringJoinDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringJoinDescriptor.java
@@ -64,13 +64,16 @@
                             outInputSep.reset();
                             evalSep.evaluate(tuple);
                             byte[] serSep = outInputSep.getByteArray();
-                            if (serOrderedList[0] != SER_ORDEREDLIST_TYPE_TAG) {
-                                throw new AlgebricksException("Expects String List but got "
+                            if (serOrderedList[0] != SER_ORDEREDLIST_TYPE_TAG
+                                    && serOrderedList[1] != SER_STRING_TYPE_TAG) {
+                                throw new AlgebricksException(AsterixBuiltinFunctions.STRING_JOIN.getName()
+                                        + ": expects input type ORDEREDLIST but got "
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serOrderedList[0]));
                             }
 
                             if (serSep[0] != SER_STRING_TYPE_TAG) {
-                                throw new AlgebricksException("Expects String as Seperator but got "
+                                throw new AlgebricksException(AsterixBuiltinFunctions.STRING_JOIN.getName()
+                                        + ": expects STRING type for the seperator but got "
                                         + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serSep[0]));
                             }
 
@@ -83,6 +86,7 @@
                                 for (int i = 0; i < size; i++) {
                                     int itemOffset = AOrderedListSerializerDeserializer
                                             .getItemOffset(serOrderedList, i);
+
                                     int currentSize = UTF8StringPointable.getUTFLength(serOrderedList, itemOffset);
                                     if (i != size - 1 && currentSize != 0) {
                                         utf_8_len += sep_len;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringLengthDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringLengthDescriptor.java
index bb39b49..a81d53d 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringLengthDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringLengthDescriptor.java
@@ -12,6 +12,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -46,7 +47,6 @@
                     private DataOutput out = output.getDataOutput();
                     private ArrayBackedValueStorage outInput = new ArrayBackedValueStorage();
                     private ICopyEvaluator eval = args[0].createEvaluator(outInput);
-                    private String errorMessage = "This can not be an instance of string";
                     @SuppressWarnings("unchecked")
                     private ISerializerDeserializer<ANull> nullSerde = AqlSerializerDeserializerProvider.INSTANCE
                             .getSerializerDeserializer(BuiltinType.ANULL);
@@ -68,10 +68,12 @@
                             } else if (serString[0] == SER_NULL_TYPE_TAG)
                                 nullSerde.serialize(ANull.NULL, out);
                             else {
-                                throw new AlgebricksException(errorMessage);
+                                throw new AlgebricksException(AsterixBuiltinFunctions.STRING_LENGTH.getName()
+                                        + ": expects input type STRING/NULL but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serString[0]));
                             }
                         } catch (IOException e1) {
-                            throw new AlgebricksException(errorMessage);
+                            throw new AlgebricksException(e1);
                         }
                     }
                 };
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringLowerCaseDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringLowerCaseDescriptor.java
index 6bc79ac..5e188d3 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringLowerCaseDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringLowerCaseDescriptor.java
@@ -3,7 +3,6 @@
 import java.io.DataOutput;
 import java.io.IOException;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
@@ -11,6 +10,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -49,7 +49,7 @@
                     private DataOutput out = output.getDataOutput();
                     private ArrayBackedValueStorage outInput = new ArrayBackedValueStorage();
                     private ICopyEvaluator eval = args[0].createEvaluator(outInput);
-                    private String errorMessage = "This is not an instance of string";
+
                     private final byte stt = ATypeTag.STRING.serialize();
 
                     @SuppressWarnings("unchecked")
@@ -81,9 +81,11 @@
                             } else if (serString[0] == SER_NULL_TYPE_TAG)
                                 nullSerde.serialize(ANull.NULL, out);
                             else
-                                throw new AlgebricksException(errorMessage);
+                                throw new AlgebricksException(AsterixBuiltinFunctions.STRING_LOWERCASE.getName()
+                                        + ": expects input type STRING/NULL but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serString[0]));
                         } catch (IOException e1) {
-                            throw new AlgebricksException(errorMessage);
+                            throw new AlgebricksException(e1);
                         }
                     }
                 };
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringMatchesDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringMatchesDescriptor.java
index 75814df..03a3545 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringMatchesDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringMatchesDescriptor.java
@@ -49,7 +49,7 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractBinaryStringBoolEval(dout, args[0], args[1]) {
+                return new AbstractBinaryStringBoolEval(dout, args[0], args[1], AsterixBuiltinFunctions.STRING_MATCHES) {
 
                     private Pattern pattern = null;
                     private Matcher matcher = null;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringMatchesWithFlagDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringMatchesWithFlagDescriptor.java
index 31dde5b..93dc342 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringMatchesWithFlagDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringMatchesWithFlagDescriptor.java
@@ -54,7 +54,8 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractTripleStringBoolEval(dout, args[0], args[1], args[2]) {
+                return new AbstractTripleStringBoolEval(dout, args[0], args[1], args[2],
+                        AsterixBuiltinFunctions.STRING_MATCHES_WITH_FLAG) {
 
                     private Pattern pattern = null;
                     private Matcher matcher = null;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringReplaceDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringReplaceDescriptor.java
index 32af44e..230eb34 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringReplaceDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringReplaceDescriptor.java
@@ -6,7 +6,6 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.common.utils.UTF8CharSequence;
 import edu.uci.ics.asterix.formats.nontagged.AqlBinaryComparatorFactoryProvider;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
@@ -51,7 +50,8 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractTripleStringStringEval(dout, args[0], args[1], args[2]) {
+                return new AbstractTripleStringStringEval(dout, args[0], args[1], args[2],
+                        AsterixBuiltinFunctions.STRING_REPLACE) {
 
                     private Pattern pattern = null;
                     private Matcher matcher = null;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringReplaceWithFlagsDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringReplaceWithFlagsDescriptor.java
index e665654..4f18863 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringReplaceWithFlagsDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringReplaceWithFlagsDescriptor.java
@@ -50,7 +50,8 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractQuadStringStringEval(dout, args[0], args[1], args[2], args[3]) {
+                return new AbstractQuadStringStringEval(dout, args[0], args[1], args[2], args[3],
+                        AsterixBuiltinFunctions.STRING_REPLACE_WITH_FLAG) {
 
                     private Pattern pattern = null;
                     private Matcher matcher = null;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringStartWithDescrtiptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringStartWithDescrtiptor.java
index e7f2576..601c3d0 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringStartWithDescrtiptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringStartWithDescrtiptor.java
@@ -37,7 +37,8 @@
 
                 DataOutput dout = output.getDataOutput();
 
-                return new AbstractBinaryStringBoolEval(dout, args[0], args[1]) {
+                return new AbstractBinaryStringBoolEval(dout, args[0], args[1],
+                        AsterixBuiltinFunctions.STRING_START_WITH) {
 
                     @Override
                     protected boolean compute(byte[] lBytes, int lLen, int lStart, byte[] rBytes, int rLen, int rStart,
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringToCodePointDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringToCodePointDescriptor.java
index 3d845e1..e001d9e 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringToCodePointDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/StringToCodePointDescriptor.java
@@ -13,6 +13,7 @@
 import edu.uci.ics.asterix.om.types.AOrderedListType;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -119,7 +120,9 @@
                                 }
                                 listBuilder.write(out, true);
                             } else
-                                throw new AlgebricksException("Expects String Type.");
+                                throw new AlgebricksException(AsterixBuiltinFunctions.STRING_TO_CODEPOINT.getName()
+                                        + ": expects input type STRING but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serString[0]));
                         } catch (IOException e1) {
                             throw new AlgebricksException(e1.getMessage());
                         }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/Substring2Descriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/Substring2Descriptor.java
index 338c9a9..5a84401 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/Substring2Descriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/Substring2Descriptor.java
@@ -7,6 +7,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -21,6 +22,11 @@
 public class Substring2Descriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input types
+    private static final byte SER_INT32_TYPE_TAG = ATypeTag.INT32.serialize();
+    private static final byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new Substring2Descriptor();
@@ -46,11 +52,21 @@
                     public void evaluate(IFrameTupleReference tuple) throws AlgebricksException {
                         argOut.reset();
                         evalStart.evaluate(tuple);
+                        if (argOut.getByteArray()[0] != SER_INT32_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.SUBSTRING2.getName()
+                                    + ": expects type INT32 for the second argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
+                        }
                         int start = IntegerSerializerDeserializer.getInt(argOut.getByteArray(), 1) - 1;
                         argOut.reset();
                         evalString.evaluate(tuple);
 
                         byte[] bytes = argOut.getByteArray();
+                        if (bytes[0] != SER_STRING_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.SUBSTRING2.getName()
+                                    + ": expects type STRING for the first argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
+                        }
                         int utflen = UTF8StringPointable.getUTFLength(bytes, 1);
                         int sStart = 3;
                         int c = 0;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringAfterDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringAfterDescriptor.java
index 7594dd2..7584e4d 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringAfterDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringAfterDescriptor.java
@@ -7,6 +7,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -20,6 +21,11 @@
 public class SubstringAfterDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input types
+    private static final byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+    private static final byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new SubstringAfterDescriptor();
@@ -52,6 +58,14 @@
                         evalPattern.evaluate(tuple);
                         byte[] pattern = array1.getByteArray();
 
+                        if ((src[0] != SER_STRING_TYPE_TAG && src[0] != SER_NULL_TYPE_TAG)
+                                || (pattern[0] != SER_STRING_TYPE_TAG && pattern[0] != SER_NULL_TYPE_TAG)) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.SUBSTRING_AFTER.getName()
+                                    + ": expects input type (STRING/NULL, STRING/NULL) but got ("
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(src[0]) + ", "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(pattern[0]) + ").");
+                        }
+
                         int srcLen = UTF8StringPointable.getUTFLength(src, 1);
                         int patternLen = UTF8StringPointable.getUTFLength(pattern, 1);
                         int posSrc = 3;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringBeforeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringBeforeDescriptor.java
index 2c53756..77911af 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringBeforeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringBeforeDescriptor.java
@@ -7,6 +7,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -20,6 +21,11 @@
 public class SubstringBeforeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input types
+    private static final byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+    private static final byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new SubstringBeforeDescriptor();
@@ -52,6 +58,14 @@
                         evalPattern.evaluate(tuple);
                         byte[] pattern = array1.getByteArray();
 
+                        if ((src[0] != SER_STRING_TYPE_TAG && src[0] != SER_NULL_TYPE_TAG)
+                                || (pattern[0] != SER_STRING_TYPE_TAG && pattern[0] != SER_NULL_TYPE_TAG)) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.SUBSTRING_BEFORE.getName()
+                                    + ": expects input type (STRING/NULL, STRING/NULL) but got ("
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(src[0]) + ", "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(pattern[0]) + ").");
+                        }
+
                         int srcLen = UTF8StringPointable.getUTFLength(src, 1);
                         int patternLen = UTF8StringPointable.getUTFLength(pattern, 1);
                         int posSrc = 3;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringDescriptor.java
index 480f4a2..77741fb 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/SubstringDescriptor.java
@@ -7,6 +7,7 @@
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -21,6 +22,11 @@
 public class SubstringDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
+
+    // allowed input types
+    private static final byte SER_INT32_TYPE_TAG = ATypeTag.INT32.serialize();
+    private static final byte SER_STRING_TYPE_TAG = ATypeTag.STRING.serialize();
+
     public static final IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
         public IFunctionDescriptor createFunctionDescriptor() {
             return new SubstringDescriptor();
@@ -47,14 +53,31 @@
                     public void evaluate(IFrameTupleReference tuple) throws AlgebricksException {
                         argOut.reset();
                         evalStart.evaluate(tuple);
+                        if (argOut.getByteArray()[0] != SER_INT32_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.SUBSTRING.getName()
+                                    + ": expects type INT32 for the second argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
+                        }
                         int start = IntegerSerializerDeserializer.getInt(argOut.getByteArray(), 1) - 1;
                         argOut.reset();
                         evalLen.evaluate(tuple);
+                        if (argOut.getByteArray()[0] != SER_INT32_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.SUBSTRING.getName()
+                                    + ": expects type INT32 for the third argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
+                        }
                         int len = IntegerSerializerDeserializer.getInt(argOut.getByteArray(), 1);
+
                         argOut.reset();
                         evalString.evaluate(tuple);
 
                         byte[] bytes = argOut.getByteArray();
+
+                        if (bytes[0] != SER_STRING_TYPE_TAG) {
+                            throw new AlgebricksException(AsterixBuiltinFunctions.SUBSTRING.getName()
+                                    + ": expects type STRING for the first argument but got "
+                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut.getByteArray()[0]));
+                        }
                         int utflen = UTF8StringPointable.getUTFLength(bytes, 1);
                         int sStart = 3;
                         int c = 0;
@@ -72,8 +95,9 @@
                         }
 
                         if (idxPos2 < len) {
-                            throw new AlgebricksException("substring: start=" + start + "\tlen=" + len
-                                    + "\tgoing past the input length=" + (idxPos1 + idxPos2) + ".");
+                            throw new AlgebricksException(AsterixBuiltinFunctions.SUBSTRING.getName() + ": start="
+                                    + start + "\tlen=" + len + "\tgoing past the input length=" + (idxPos1 + idxPos2)
+                                    + ".");
                         }
 
                         int substrByteLen = c - startSubstr;
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AbstractIntervalLogicFuncDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AbstractIntervalLogicFuncDescriptor.java
index 241e2e0..e2286fc 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AbstractIntervalLogicFuncDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AbstractIntervalLogicFuncDescriptor.java
@@ -22,6 +22,7 @@
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.runtime.base.ICopyEvaluator;
@@ -84,14 +85,18 @@
 
                             if (argOut0.getByteArray()[0] != SER_INTERVAL_TYPE_TAG
                                     || argOut1.getByteArray()[0] != SER_INTERVAL_TYPE_TAG) {
-                                throw new AlgebricksException("Inapplicable input type for parameters: ("
-                                        + argOut0.getByteArray()[0] + ", " + argOut1.getByteArray()[0] + ")");
+                                throw new AlgebricksException(getIdentifier().getName()
+                                        + ": expects input type (INTERVAL, INTERVAL) but got ("
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0])
+                                        + ", "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0])
+                                        + ")");
                             }
 
                             if (AIntervalSerializerDeserializer.getIntervalTimeType(argOut0.getByteArray(), 1) != AIntervalSerializerDeserializer
                                     .getIntervalTimeType(argOut1.getByteArray(), 1)) {
-                                throw new AlgebricksException(
-                                        "Failed to compare to intervals with different internal time type.");
+                                throw new AlgebricksException(getIdentifier().getName()
+                                        + ": failed to compare intervals with different internal time type.");
                             }
 
                             ABoolean res = (compareIntervals(
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddDateDurationDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddDateDurationDescriptor.java
index 7417f2b..a9f66a2 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddDateDurationDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddDateDurationDescriptor.java
@@ -16,7 +16,6 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateSerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADurationSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
@@ -25,10 +24,12 @@
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.temporal.DurationArithmeticOperations;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -43,8 +44,7 @@
 public class AddDateDurationDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "add-date-duration", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.ADD_DATE_DURATION;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -100,17 +100,15 @@
                             }
 
                             if (argOut0.getByteArray()[0] != SER_DATE_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a Date ("
-                                                + SER_DATE_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                + "), but got: " + argOut0.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DATE/NULL for parameter 0 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0]));
                             }
 
                             if (argOut1.getByteArray()[0] != SER_DURATION_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 1: expecting a Duration ("
-                                                + SER_DURATION_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                + "), but got: " + argOut1.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DURATION/NULL for parameter 1 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0]));
                             }
 
                             // get duration fields: yearMonth field and dayTime field
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddDatetimeDurationDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddDatetimeDurationDescriptor.java
index 4f04da3..ca27455 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddDatetimeDurationDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddDatetimeDurationDescriptor.java
@@ -16,7 +16,6 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateTimeSerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADurationSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
@@ -24,10 +23,12 @@
 import edu.uci.ics.asterix.om.base.AMutableDateTime;
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.temporal.DurationArithmeticOperations;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -42,8 +43,7 @@
 public class AddDatetimeDurationDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "add-datetime-duration", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.ADD_DATETIME_DURATION;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -102,17 +102,15 @@
                             }
 
                             if (argOut0.getByteArray()[0] != SER_DATETIME_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a DateTime ("
-                                                + SER_DATETIME_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                + "), but got: " + argOut0.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DATETIME/NULL for parameter 0 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0]));
                             }
 
                             if (argOut1.getByteArray()[0] != SER_DURATION_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 1: expecting a Duration ("
-                                                + SER_DURATION_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                + "), but got: " + argOut1.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DURATION/NULL for parameter 1 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0]));
                             }
 
                             // get duration fields: yearMonth field and dayTime field
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddTimeDurationDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddTimeDurationDescriptor.java
index e6b6ebd..e7a4fc4 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddTimeDurationDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AddTimeDurationDescriptor.java
@@ -16,7 +16,6 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADurationSerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ATimeSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
@@ -24,10 +23,12 @@
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.ATime;
 import edu.uci.ics.asterix.om.base.temporal.DurationArithmeticOperations;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -42,8 +43,7 @@
 public class AddTimeDurationDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "add-time-duration", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.ADD_TIME_DURATION;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -102,17 +102,15 @@
                             }
 
                             if (argOut0.getByteArray()[0] != SER_TIME_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a Time ("
-                                                + SER_TIME_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                + "), but got: " + argOut0.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type TIME/NULL for parameter 0 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0]));
                             }
 
                             if (argOut1.getByteArray()[0] != SER_DURATION_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 1: expecting a Duration ("
-                                                + SER_DURATION_TYPE_TAG + ") or null (" + SER_DURATION_TYPE_TAG
-                                                + "), but got: " + argOut1.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DURATION/NULL for parameter 1 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0]));
                             }
 
                             // get duration fields: yearMonth field and dayTime field
@@ -120,7 +118,8 @@
 
                             // cannot add a year-month duration to a time value
                             if (yearMonth != 0) {
-                                throw new AlgebricksException("ATime cannot be added by a year-month duration.");
+                                throw new AlgebricksException(FID.getName()
+                                        + ": a TIME value cannot be added by a DURATION value with year-month field.");
                             }
 
                             long dayTime = ADurationSerializerDeserializer.getDayTime(argOut1.getByteArray(), 1);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AdjustDateTimeForTimeZoneDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AdjustDateTimeForTimeZoneDescriptor.java
index 21d098a..441d20a 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AdjustDateTimeForTimeZoneDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AdjustDateTimeForTimeZoneDescriptor.java
@@ -16,17 +16,18 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateTimeSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.temporal.ATimeParserFactory;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem.Fields;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -40,8 +41,7 @@
 public class AdjustDateTimeForTimeZoneDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "adjust-datetime-for-timezone", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.ADJUST_DATETIME_FOR_TIMEZONE;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -97,21 +97,21 @@
                             }
 
                             if (argOut0.getByteArray()[0] != SER_DATETIME_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a Datetime, but got: "
-                                                + argOut0.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DATETIME/NULL for parameter 0 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0]));
                             }
 
                             if (argOut1.getByteArray()[0] != SER_STRING_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a String, but got: "
-                                                + argOut1.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type STRING/NULL for parameter 1 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0]));
                             }
 
                             int timezone = ATimeParserFactory.parseTimezonePart(argOut1.getByteArray(), 3);
 
                             if (!calInstance.validateTimeZone(timezone)) {
-                                throw new AlgebricksException("Wrong format for a time zone string!");
+                                throw new AlgebricksException(FID.getName() + ": wrong format for a time zone string!");
                             }
 
                             long chronon = ADateTimeSerializerDeserializer.getChronon(argOut0.getByteArray(), 1);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AdjustTimeForTimeZoneDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AdjustTimeForTimeZoneDescriptor.java
index 1f8842e..1ca64c6 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AdjustTimeForTimeZoneDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/AdjustTimeForTimeZoneDescriptor.java
@@ -16,17 +16,18 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ATimeSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.temporal.ATimeParserFactory;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem.Fields;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -40,8 +41,7 @@
 public class AdjustTimeForTimeZoneDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "adjust-time-for-timezone", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.ADJUST_TIME_FOR_TIMEZONE;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -97,21 +97,21 @@
                             }
 
                             if (argOut0.getByteArray()[0] != SER_TIME_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a Time, but got: "
-                                                + argOut0.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type TIME/NULL for parameter 0 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0]));
                             }
 
                             if (argOut1.getByteArray()[0] != SER_STRING_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a String, but got: "
-                                                + argOut1.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type STRING/NULL for parameter 1 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0]));
                             }
 
                             int timezone = ATimeParserFactory.parseTimezonePart(argOut1.getByteArray(), 3);
 
                             if (!calInstance.validateTimeZone(timezone)) {
-                                throw new AlgebricksException("Wrong format for a time zone string!");
+                                throw new AlgebricksException(FID.getName() + ": wrong format for a time zone string!");
                             }
 
                             int chronon = ATimeSerializerDeserializer.getChronon(argOut0.getByteArray(), 1);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CalendarDuartionFromDateDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CalendarDuartionFromDateDescriptor.java
index cbd600f..c6da17e 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CalendarDuartionFromDateDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CalendarDuartionFromDateDescriptor.java
@@ -16,7 +16,6 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateSerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADurationSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
@@ -25,10 +24,12 @@
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.temporal.DurationArithmeticOperations;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -43,8 +44,7 @@
 public class CalendarDuartionFromDateDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "calendar-duration-from-date", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.CALENDAR_DURATION_FROM_DATE;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -107,15 +107,15 @@
                             }
 
                             if (argOut0.getByteArray()[0] != SER_DATE_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a Date, but got: "
-                                                + argOut0.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DATE/NULL for parameter 0 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0]));
                             }
 
                             if (argOut1.getByteArray()[0] != SER_DURATION_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 1: expecting a Date, but got: "
-                                                + argOut1.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DURATION/NULL for parameter 1 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0]));
                             }
 
                             int yearMonthDurationInMonths = ADurationSerializerDeserializer.getYearMonth(
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CalendarDurationFromDateTimeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CalendarDurationFromDateTimeDescriptor.java
index 8df3c7f..e09f1da 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CalendarDurationFromDateTimeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CalendarDurationFromDateTimeDescriptor.java
@@ -16,7 +16,6 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateTimeSerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADurationSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
@@ -25,10 +24,12 @@
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.temporal.DurationArithmeticOperations;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -49,11 +50,9 @@
  * 2. Calculate the differences by fields between two different time points;<br/>
  * 3. Re-format the duration into a human-readable one.
  * <p/>
- * Here "human-readable" means the value of each field of the duration is within the value range of the field in the
- * calendar system. For example, month would be in [0, 12), and hour would be in [0, 24).
+ * Here "human-readable" means the value of each field of the duration is within the value range of the field in the calendar system. For example, month would be in [0, 12), and hour would be in [0, 24).
  * <p/>
- * The result can be considered as a "field-based" difference between the two datetime value, but all negative values
- * would be converted to be non-negative.
+ * The result can be considered as a "field-based" difference between the two datetime value, but all negative values would be converted to be non-negative.
  * <p/>
  * In the implementation, we always do the subtraction from the later time point, resulting a positive duration always.
  * <p/>
@@ -61,8 +60,7 @@
 public class CalendarDurationFromDateTimeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "calendar-duration-from-datetime", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.CALENDAR_DURATION_FROM_DATETIME;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -123,15 +121,15 @@
                             }
 
                             if (argOut0.getByteArray()[0] != SER_DATETIME_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting Datetime, but got: "
-                                                + argOut0.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DATETIME/NULL for parameter 0 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0]));
                             }
 
                             if (argOut1.getByteArray()[0] != SER_DURATION_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 1: expecting Duration, but got: "
-                                                + argOut1.getByteArray()[0]);
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects type DURATION/NULL for parameter 1 but got "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0]));
                             }
 
                             int yearMonthDurationInMonths = ADurationSerializerDeserializer.getYearMonth(
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentDateDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentDateDescriptor.java
index 0cb47b5..21103d6 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentDateDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentDateDescriptor.java
@@ -16,11 +16,11 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ADate;
 import edu.uci.ics.asterix.om.base.AMutableDate;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.BuiltinType;
@@ -37,8 +37,7 @@
 public class CurrentDateDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
-    private final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "current-date",
-            0);
+    private final static FunctionIdentifier FID = AsterixBuiltinFunctions.CURRENT_DATE;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentDateTimeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentDateTimeDescriptor.java
index 9209cae..cd0af68 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentDateTimeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentDateTimeDescriptor.java
@@ -16,10 +16,10 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ADateTime;
 import edu.uci.ics.asterix.om.base.AMutableDateTime;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.BuiltinType;
@@ -36,8 +36,7 @@
 public class CurrentDateTimeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
-    private final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "current-datetime", 0);
+    private final static FunctionIdentifier FID = AsterixBuiltinFunctions.CURRENT_DATETIME;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentTimeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentTimeDescriptor.java
index c7078b9..2e012a3 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentTimeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/CurrentTimeDescriptor.java
@@ -16,11 +16,11 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.AMutableTime;
 import edu.uci.ics.asterix.om.base.ATime;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.BuiltinType;
@@ -37,7 +37,7 @@
 public class CurrentTimeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "current-time", 0);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.CURRENT_TIME;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DateFromDatetimeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DateFromDatetimeDescriptor.java
index 4ef52d9..b0ced1c 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DateFromDatetimeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DateFromDatetimeDescriptor.java
@@ -2,17 +2,18 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateTimeSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ADate;
 import edu.uci.ics.asterix.om.base.AMutableDate;
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -27,8 +28,7 @@
 public class DateFromDatetimeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "date-from-datetime", 1);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.DATE_FROM_DATETIME;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -77,9 +77,10 @@
                             } else {
                                 if (argOut.getByteArray()[0] != SER_DATETIME_TYPE_TAG) {
                                     throw new AlgebricksException(
-                                            "Inapplicable input type for function date_from_datetime: expecting ADateTime ("
-                                                    + SER_DATETIME_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                    + "), but got: " + argOut.getByteArray()[0]);
+                                            FID.getName()
+                                                    + ": expects input type DATETIME/NULL but got "
+                                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
+                                                            .getByteArray()[0]));
                                 }
                                 long datetimeChronon = ADateTimeSerializerDeserializer.getChronon(
                                         argOut.getByteArray(), 1);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DateFromUnixTimeInDaysDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DateFromUnixTimeInDaysDescriptor.java
index 6b78a35..5743ff9 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DateFromUnixTimeInDaysDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DateFromUnixTimeInDaysDescriptor.java
@@ -16,7 +16,6 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt16SerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt32SerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt8SerializerDeserializer;
@@ -24,10 +23,12 @@
 import edu.uci.ics.asterix.om.base.ADate;
 import edu.uci.ics.asterix.om.base.AMutableDate;
 import edu.uci.ics.asterix.om.base.ANull;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -42,8 +43,13 @@
 public class DateFromUnixTimeInDaysDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "date-from-unix-time-in-days", 1);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.DATE_FROM_UNIX_TIME_IN_DAYS;
+
+    // allowed input types
+    private static final byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
+    private static final byte SER_INT8_TYPE_TAG = ATypeTag.INT8.serialize();
+    private static final byte SER_INT16_TYPE_TAG = ATypeTag.INT16.serialize();
+    private static final byte SER_INT32_TYPE_TAG = ATypeTag.INT32.serialize();
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
@@ -67,12 +73,6 @@
                     private ArrayBackedValueStorage argOut = new ArrayBackedValueStorage();
                     private ICopyEvaluator eval = args[0].createEvaluator(argOut);
 
-                    // allowed input types
-                    private byte serNullTypeTag = ATypeTag.NULL.serialize();
-                    private byte serInt8TypeTag = ATypeTag.INT8.serialize();
-                    private byte serInt16TypeTag = ATypeTag.INT16.serialize();
-                    private byte serInt32TypeTag = ATypeTag.INT32.serialize();
-
                     private AMutableDate aDate = new AMutableDate(0);
 
                     // possible returning types
@@ -88,19 +88,21 @@
                         argOut.reset();
                         eval.evaluate(tuple);
                         try {
-                            if (argOut.getByteArray()[0] == serNullTypeTag) {
+                            if (argOut.getByteArray()[0] == SER_NULL_TYPE_TAG) {
                                 nullSerde.serialize(ANull.NULL, out);
                             } else {
-                                if (argOut.getByteArray()[0] == serInt8TypeTag) {
+                                if (argOut.getByteArray()[0] == SER_INT8_TYPE_TAG) {
                                     aDate.setValue(AInt8SerializerDeserializer.getByte(argOut.getByteArray(), 1));
-                                } else if (argOut.getByteArray()[0] == serInt16TypeTag) {
+                                } else if (argOut.getByteArray()[0] == SER_INT16_TYPE_TAG) {
                                     aDate.setValue(AInt16SerializerDeserializer.getShort(argOut.getByteArray(), 1));
-                                } else if (argOut.getByteArray()[0] == serInt32TypeTag) {
+                                } else if (argOut.getByteArray()[0] == SER_INT32_TYPE_TAG) {
                                     aDate.setValue(AInt32SerializerDeserializer.getInt(argOut.getByteArray(), 1));
                                 } else {
                                     throw new AlgebricksException(
-                                            "Inapplicable input type for function date-from-unix-time-in-days: expecting integer or null type, but got "
-                                                    + argOut.getByteArray()[0]);
+                                            FID.getName()
+                                                    + ": expects type INT8/INT16/INT32/INT64/NULL but got "
+                                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
+                                                            .getByteArray()[0]));
                                 }
                                 dateSerde.serialize(aDate, out);
                             }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DatetimeFromDateAndTimeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DatetimeFromDateAndTimeDescriptor.java
index 2ade4b7..7854a2b 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DatetimeFromDateAndTimeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DatetimeFromDateAndTimeDescriptor.java
@@ -16,7 +16,6 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateSerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ATimeSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
@@ -24,10 +23,12 @@
 import edu.uci.ics.asterix.om.base.AMutableDateTime;
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -42,8 +43,7 @@
 public class DatetimeFromDateAndTimeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "datetime-from-date-time", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.DATETIME_FROM_DATE_TIME;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -100,20 +100,17 @@
                                     || argOut1.getByteArray()[0] == SER_NULL_TYPE_TAG) {
                                 nullSerde.serialize(ANull.NULL, out);
                             } else {
-                                if (argOut0.getByteArray()[0] != SER_DATE_TYPE_TAG) {
+                                if (argOut0.getByteArray()[0] != SER_DATE_TYPE_TAG
+                                        && argOut1.getByteArray()[0] != SER_TIME_TYPE_TAG) {
                                     throw new AlgebricksException(
-                                            "Inapplicable input type for function datetime-from-date-time: expecting a Date ("
-                                                    + SER_DATE_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                    + ") for the first parameter, but got: "
-                                                    + argOut0.getByteArray()[0]);
-                                }
+                                            FID.getName()
+                                                    + ": expects input type (DATE/NULL, TIME/NULL) but got ("
+                                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0
+                                                            .getByteArray()[0])
+                                                    + ", "
+                                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1
+                                                            .getByteArray()[0]) + ").");
 
-                                if (argOut1.getByteArray()[0] != SER_TIME_TYPE_TAG) {
-                                    throw new AlgebricksException(
-                                            "Inapplicable input type for function datetime-from-date-time: expecting a Time ("
-                                                    + SER_TIME_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                    + ") for the secon parameter, but got: "
-                                                    + argOut1.getByteArray()[0]);
                                 }
 
                                 long datetimeChronon = ADateSerializerDeserializer
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DatetimeFromUnixTimeInMsDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DatetimeFromUnixTimeInMsDescriptor.java
index dbd34f2..447184e 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DatetimeFromUnixTimeInMsDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/DatetimeFromUnixTimeInMsDescriptor.java
@@ -16,7 +16,6 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt16SerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt32SerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt64SerializerDeserializer;
@@ -25,10 +24,12 @@
 import edu.uci.ics.asterix.om.base.ADateTime;
 import edu.uci.ics.asterix.om.base.AMutableDateTime;
 import edu.uci.ics.asterix.om.base.ANull;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -43,8 +44,7 @@
 public class DatetimeFromUnixTimeInMsDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "datetime-from-unix-time-in-ms", 1);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.DATETIME_FROM_UNIX_TIME_IN_MS;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -106,8 +106,10 @@
                                     aDatetime.setValue(AInt64SerializerDeserializer.getLong(argOut.getByteArray(), 1));
                                 } else {
                                     throw new AlgebricksException(
-                                            "Inapplicable input type for function datetime-from-unix-time-in-ms: expecting integer or null type, but got "
-                                                    + argOut.getByteArray()[0]);
+                                            FID.getName()
+                                                    + ": expects type INT8/INT16/INT32/INT64/NULL but got "
+                                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
+                                                            .getByteArray()[0]));
                                 }
                                 datetimeSerde.serialize(aDatetime, out);
                             }
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalAfterDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalAfterDescriptor.java
index 85bb378..9c44e19 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalAfterDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalAfterDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalAfterDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "interval-after",
-            2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_AFTER;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalBeforeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalBeforeDescriptor.java
index 2da48ee..dc908b9 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalBeforeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalBeforeDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalBeforeDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "interval-before", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_BEFORE;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalCoveredByDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalCoveredByDescriptor.java
index 1064e59..bc17852 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalCoveredByDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalCoveredByDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalCoveredByDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "interval-covered-by", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_COVERED_BY;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalCoversDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalCoversDescriptor.java
index 5b1cfa5..844ef75 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalCoversDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalCoversDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalCoversDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "interval-covers", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_COVERS;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalEndedByDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalEndedByDescriptor.java
index 4610c89..98c7833f 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalEndedByDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalEndedByDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalEndedByDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "interval-ended-by", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_ENDED_BY;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalEndsDecriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalEndsDecriptor.java
index 9853c62..140583a 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalEndsDecriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalEndsDecriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalEndsDecriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "interval-ends",
-            2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_ENDS;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalMeetsDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalMeetsDescriptor.java
index 0263edb..a2232a8 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalMeetsDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalMeetsDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalMeetsDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "interval-meets",
-            2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_MEETS;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalMetByDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalMetByDescriptor.java
index 4cab864..377d033 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalMetByDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalMetByDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalMetByDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "interval-met-by", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_MET_BY;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalOverlappedByDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalOverlappedByDescriptor.java
index 17e7612..f5d82f0 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalOverlappedByDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalOverlappedByDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalOverlappedByDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "interval-overlapped-by", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_OVERLAPPED_BY;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalOverlapsDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalOverlapsDescriptor.java
index ee62711..d244010 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalOverlapsDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalOverlapsDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalOverlapsDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "interval-overlaps", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_OVERLAPS;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalStartedByDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalStartedByDescriptor.java
index 7e5e0fe..94b01a1 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalStartedByDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalStartedByDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalStartedByDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "interval-started-by", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_STARTED_BY;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalStartsDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalStartsDescriptor.java
index c2ca32e..ce27742 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalStartsDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/IntervalStartsDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,8 +22,7 @@
 public class IntervalStartsDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "interval-starts", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.INTERVAL_STARTS;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/OverlapDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/OverlapDescriptor.java
index 80479cd..2919f90 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/OverlapDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/OverlapDescriptor.java
@@ -14,7 +14,7 @@
  */
 package edu.uci.ics.asterix.runtime.evaluators.functions.temporal;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -22,7 +22,7 @@
 public class OverlapDescriptor extends AbstractIntervalLogicFuncDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "overlap", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.OVERLAP;
 
     public final static IFunctionDescriptorFactory FACTORY = new IFunctionDescriptorFactory() {
 
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractDateDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractDateDescriptor.java
index 67d8ef3..6f54162 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractDateDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractDateDescriptor.java
@@ -16,17 +16,18 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ADuration;
 import edu.uci.ics.asterix.om.base.AMutableDuration;
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -41,8 +42,7 @@
 public class SubtractDateDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "subtract-date",
-            2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.SUBTRACT_DATE;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -96,18 +96,14 @@
                                 return;
                             }
 
-                            if (argOut0.getByteArray()[0] != SER_DATE_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a Date ("
-                                                + SER_DATE_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                + "), but got: " + argOut0.getByteArray()[0]);
-                            }
-
-                            if (argOut1.getByteArray()[0] != SER_DATE_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 1: expecting a Date ("
-                                                + SER_DATE_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                + "), but got: " + argOut1.getByteArray()[0]);
+                            if (argOut0.getByteArray()[0] != SER_DATE_TYPE_TAG
+                                    && argOut1.getByteArray()[0] != SER_DATE_TYPE_TAG) {
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects input type (DATE/NULL, DATE/NULL) but got ("
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0])
+                                        + ", "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0])
+                                        + ").");
                             }
 
                             long durationChronon = (ADateSerializerDeserializer.getChronon(argOut0.getByteArray(), 1) - ADateSerializerDeserializer
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractDatetimeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractDatetimeDescriptor.java
index 5b77709..dc677b5 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractDatetimeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractDatetimeDescriptor.java
@@ -16,16 +16,17 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateTimeSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ADuration;
 import edu.uci.ics.asterix.om.base.AMutableDuration;
 import edu.uci.ics.asterix.om.base.ANull;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -40,8 +41,7 @@
 public class SubtractDatetimeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "subtract-datetime", 2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.SUBTRACT_DATETIME;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -98,16 +98,14 @@
                                 return;
                             }
 
-                            if (argOut0.getByteArray()[0] != SER_DATETIME_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a DateTime, but got: "
-                                                + argOut0.getByteArray()[0]);
-                            }
-
-                            if (argOut1.getByteArray()[0] != SER_DATETIME_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 1: expecting a DateTime, but got: "
-                                                + argOut1.getByteArray()[0]);
+                            if (argOut0.getByteArray()[0] != SER_DATETIME_TYPE_TAG
+                                    && argOut1.getByteArray()[0] != SER_DATETIME_TYPE_TAG) {
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects input type (DATETIME/NULL, DATETIME/NULL) but got ("
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0])
+                                        + ", "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0])
+                                        + ").");
                             }
 
                             long durationChronon = ADateTimeSerializerDeserializer
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractTimeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractTimeDescriptor.java
index 323033e..579030d 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractTimeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/SubtractTimeDescriptor.java
@@ -16,16 +16,17 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ATimeSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.ADuration;
 import edu.uci.ics.asterix.om.base.AMutableDuration;
 import edu.uci.ics.asterix.om.base.ANull;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -40,8 +41,7 @@
 public class SubtractTimeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "subtract-time",
-            2);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.SUBTRACT_TIME;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -98,18 +98,14 @@
                                 return;
                             }
 
-                            if (argOut0.getByteArray()[0] != SER_TIME_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 0: expecting a Time ("
-                                                + SER_TIME_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                + "), but got: " + argOut0.getByteArray()[0]);
-                            }
-
-                            if (argOut1.getByteArray()[0] != SER_TIME_TYPE_TAG) {
-                                throw new AlgebricksException(
-                                        "Inapplicable input type for parameter 1: expecting a Time ("
-                                                + SER_TIME_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                + "), but got: " + argOut1.getByteArray()[0]);
+                            if (argOut0.getByteArray()[0] != SER_TIME_TYPE_TAG
+                                    && argOut1.getByteArray()[0] != SER_TIME_TYPE_TAG) {
+                                throw new AlgebricksException(FID.getName()
+                                        + ": expects input type (TIME/NULL, TIME/NULL) but got ("
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut0.getByteArray()[0])
+                                        + ", "
+                                        + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut1.getByteArray()[0])
+                                        + ").");
                             }
 
                             int durationChronon = ATimeSerializerDeserializer.getChronon(argOut0.getByteArray(), 1)
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/TimeFromDatetimeDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/TimeFromDatetimeDescriptor.java
index b1053a4..00fe414 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/TimeFromDatetimeDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/TimeFromDatetimeDescriptor.java
@@ -16,17 +16,18 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateTimeSerializerDeserializer;
 import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider;
 import edu.uci.ics.asterix.om.base.AMutableTime;
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.ATime;
 import edu.uci.ics.asterix.om.base.temporal.GregorianCalendarSystem;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -41,8 +42,7 @@
 public class TimeFromDatetimeDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private static final long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "time-from-datetime", 1);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.TIME_FROM_DATETIME;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -94,9 +94,10 @@
                             } else {
                                 if (argOut.getByteArray()[0] != SER_DATETIME_TYPE_TAG) {
                                     throw new AlgebricksException(
-                                            "Inapplicable input type for function time-from-datetime: expecting a DataTime ("
-                                                    + SER_DATETIME_TYPE_TAG + ") or null (" + SER_NULL_TYPE_TAG
-                                                    + "), but got: " + argOut.getByteArray()[0]);
+                                            FID.getName()
+                                                    + ": expects input type DATETIME/NULL but got "
+                                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
+                                                            .getByteArray()[0]));
                                 }
                                 long datetimeChronon = ADateTimeSerializerDeserializer.getChronon(
                                         argOut.getByteArray(), 1);
diff --git a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/TimeFromUnixTimeInMsDescriptor.java b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/TimeFromUnixTimeInMsDescriptor.java
index b3fbc0e..98fd75f 100644
--- a/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/TimeFromUnixTimeInMsDescriptor.java
+++ b/asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/evaluators/functions/temporal/TimeFromUnixTimeInMsDescriptor.java
@@ -16,7 +16,6 @@
 
 import java.io.DataOutput;
 
-import edu.uci.ics.asterix.common.functions.FunctionConstants;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt16SerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt32SerializerDeserializer;
 import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt8SerializerDeserializer;
@@ -24,10 +23,12 @@
 import edu.uci.ics.asterix.om.base.AMutableTime;
 import edu.uci.ics.asterix.om.base.ANull;
 import edu.uci.ics.asterix.om.base.ATime;
+import edu.uci.ics.asterix.om.functions.AsterixBuiltinFunctions;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptor;
 import edu.uci.ics.asterix.om.functions.IFunctionDescriptorFactory;
 import edu.uci.ics.asterix.om.types.ATypeTag;
 import edu.uci.ics.asterix.om.types.BuiltinType;
+import edu.uci.ics.asterix.om.types.EnumDeserializer;
 import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor;
 import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException;
 import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier;
@@ -42,8 +43,7 @@
 public class TimeFromUnixTimeInMsDescriptor extends AbstractScalarFunctionDynamicDescriptor {
 
     private final static long serialVersionUID = 1L;
-    public final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS,
-            "time-from-unix-time-in-ms", 1);
+    public final static FunctionIdentifier FID = AsterixBuiltinFunctions.TIME_FROM_UNIX_TIME_IN_MS;
 
     // allowed input types
     private final static byte SER_NULL_TYPE_TAG = ATypeTag.NULL.serialize();
@@ -102,8 +102,10 @@
                                     aTime.setValue(AInt32SerializerDeserializer.getInt(argOut.getByteArray(), 1));
                                 } else {
                                     throw new AlgebricksException(
-                                            "Inapplicable input type for function time-from-unix-time-in-ms: expecting integer or null type, but got "
-                                                    + argOut.getByteArray()[0]);
+                                            FID.getName()
+                                                    + ": expects input type INT8/INT16/INT32/NULL but got "
+                                                    + EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(argOut
+                                                            .getByteArray()[0]));
                                 }
                                 timeSerde.serialize(aTime, out);
                             }