diff --git a/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443-2/query-issue443-2.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443-2/query-issue443-2.1.ddl.aql
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443-2/query-issue443-2.1.ddl.aql
diff --git a/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443-2/query-issue443-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443-2/query-issue443-2.2.update.aql
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443-2/query-issue443-2.2.update.aql
diff --git a/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443-2/query-issue443-2.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443-2/query-issue443-2.3.query.aql
new file mode 100644
index 0000000..6b09eec
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443-2/query-issue443-2.3.query.aql
@@ -0,0 +1,11 @@
+/*
+ * Description  : This test case is to verify the fix for issue443
+ 				: https://code.google.com/p/asterixdb/issues/detail?id=443
+ * Expected Res : Fail
+ * Date         : 22th May 2013
+ */
+
+
+for $a in [ {"f" : 19, "g": 1} , {"f" : 12, "g": 2} , {"f" : 10, "g": 1} , {"f" : 17, "g": 1}, {"f" : 12, "g": 4} ]
+distinct by $a.f
+return $a
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443/query-issue443.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443/query-issue443.1.ddl.aql
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443/query-issue443.1.ddl.aql
diff --git a/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443/query-issue443.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443/query-issue443.2.update.aql
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443/query-issue443.2.update.aql
diff --git a/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443/query-issue443.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443/query-issue443.3.query.aql
new file mode 100644
index 0000000..602468c
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/distinct/query-issue443/query-issue443.3.query.aql
@@ -0,0 +1,11 @@
+/*
+ * Description  : This test case is to verify the fix for issue443
+ 				: https://code.google.com/p/asterixdb/issues/detail?id=443
+ * Expected Res : Fail
+ * Date         : 22th May 2013
+ */
+
+
+for $a in [ {"f" : 19} , {"f" : 12} , {"f" : 10} , {"f" : 17}, {"f" : 12} ]
+distinct by $a.f
+return $a
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_02/feeds_02.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_02/feeds_02.3.query.aql
index 01ef318..230aa40 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_02/feeds_02.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_02/feeds_02.3.query.aql
@@ -8,4 +8,5 @@
 use dataverse feeds;
 
 for $x in dataset('TweetFeed')
+order by $x.id
 return $x
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_04/feeds_04.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_04/feeds_04.3.query.aql
index 5146fb5..714dd80 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_04/feeds_04.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/feeds_04/feeds_04.3.query.aql
@@ -8,4 +8,5 @@
 use dataverse feeds;
 
 for $x in dataset('TweetFeed')
+order by $x.id
 return $x
diff --git a/asterix-app/src/test/resources/runtimets/queries/feeds/issue_230_feeds/issue_230_feeds.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/feeds/issue_230_feeds/issue_230_feeds.3.query.aql
index d94576b..48e18e2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/feeds/issue_230_feeds/issue_230_feeds.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/feeds/issue_230_feeds/issue_230_feeds.3.query.aql
@@ -7,4 +7,5 @@
 use dataverse feeds;
 
 for $x in dataset('TweetFeed')
+order by $x.id
 return $x
diff --git a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7/issue_251_dataset_hint_7.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7/issue_251_dataset_hint_7.3.query.aql
index efa1f9c..f1127f0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7/issue_251_dataset_hint_7.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7/issue_251_dataset_hint_7.3.query.aql
@@ -9,5 +9,6 @@
 use dataverse feeds;
 
 for $x in dataset('TweetFeed')
+order by $x.id
 return $x
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue423/query-issue423.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue423/query-issue423.1.ddl.aql
new file mode 100644
index 0000000..05eb126
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue423/query-issue423.1.ddl.aql
@@ -0,0 +1,8 @@
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type TestType as open { id : int32 ,fname:string, lname:string}
+
+create dataset t2(TestType) primary key fname,lname;
+create dataset t1(TestType) primary key fname,lname;
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue423/query-issue423.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue423/query-issue423.2.update.aql
new file mode 100644
index 0000000..71904f1
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue423/query-issue423.2.update.aql
@@ -0,0 +1,6 @@
+use dataverse test;
+
+insert into dataset t1({"id":123,"fname":"John","lname":"Doe"});
+insert into dataset t1({"id":122,"fname":"Bruce","lname":"Li"});
+insert into dataset t2({"id":23,"fname":"John","lname":"Doe"});
+insert into dataset t2({"id":24,"fname":"Ravi","lname":"Khanna"});
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue423/query-issue423.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue423/query-issue423.3.query.aql
new file mode 100644
index 0000000..a07b185
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue423/query-issue423.3.query.aql
@@ -0,0 +1,6 @@
+use dataverse test;
+
+for $l in dataset t1
+for $m in dataset t2
+	where $l.name=$m.name
+return {"l":$l,"m":$m};
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue442/query-issue442.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue442/query-issue442.1.ddl.aql
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue442/query-issue442.1.ddl.aql
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue442/query-issue442.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue442/query-issue442.2.update.aql
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue442/query-issue442.2.update.aql
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue442/query-issue442.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue442/query-issue442.3.query.aql
new file mode 100644
index 0000000..4da91be
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue442/query-issue442.3.query.aql
@@ -0,0 +1,10 @@
+/*
+ * Description  : This test case is to verify the fix for issue442
+ 				: https://code.google.com/p/asterixdb/issues/detail?id=442
+ * Expected Res : Fail
+ * Date         : 22th May 2013
+ */
+
+for $a in [ {"f" : 100} ,  {"f" : 0},  {"f" : -1}, {"f" : null}, {"f" : 999999}, {"f" : 1} , {"f" : "zzzzz"}]
+order by $a.f desc
+return $a
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.3.query.aql
index 53b1c30..515acc0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.3.query.aql
@@ -6,4 +6,5 @@
 use dataverse test;
 
 for $a in dataset('MyData')
+order by $a.id
 return $a.id
diff --git a/asterix-app/src/test/resources/runtimets/results/distinct/query-issue443-2/query-issue443.1.adm b/asterix-app/src/test/resources/runtimets/results/distinct/query-issue443-2/query-issue443.1.adm
new file mode 100644
index 0000000..1a6e796
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/distinct/query-issue443-2/query-issue443.1.adm
@@ -0,0 +1,4 @@
+{ "f": 10, "g": 1 }
+{ "f": 12, "g": 4 }
+{ "f": 17, "g": 1 }
+{ "f": 19, "g": 1 }
diff --git a/asterix-app/src/test/resources/runtimets/results/distinct/query-issue443/query-issue443.1.adm b/asterix-app/src/test/resources/runtimets/results/distinct/query-issue443/query-issue443.1.adm
new file mode 100644
index 0000000..a4a6e48
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/distinct/query-issue443/query-issue443.1.adm
@@ -0,0 +1,4 @@
+{ "f": 10 }
+{ "f": 12 }
+{ "f": 17 }
+{ "f": 19 }
diff --git a/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue423/query-issue423.1.adm b/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue423/query-issue423.1.adm
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue423/query-issue423.1.adm
diff --git a/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue442/query-issue442.1.adm b/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue442/query-issue442.1.adm
new file mode 100644
index 0000000..e34c554
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue442/query-issue442.1.adm
@@ -0,0 +1,7 @@
+{ "f": "zzzzz" }
+{ "f": 999999 }
+{ "f": 100 }
+{ "f": 1 }
+{ "f": 0 }
+{ "f": -1 }
+{ "f": null }
diff --git a/asterix-app/src/test/resources/runtimets/results/spatial/create-rtree-index/create-rtree-index.1.adm b/asterix-app/src/test/resources/runtimets/results/spatial/create-rtree-index/create-rtree-index.1.adm
index b9c6dc7..d4de868 100644
--- a/asterix-app/src/test/resources/runtimets/results/spatial/create-rtree-index/create-rtree-index.1.adm
+++ b/asterix-app/src/test/resources/runtimets/results/spatial/create-rtree-index/create-rtree-index.1.adm
@@ -1,21 +1,21 @@
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
 1
+2
 3
+4
 5
+6
 7
+8
 9
+10
 11
+12
 13
+14
 15
+16
 17
+18
 19
+20
 21
diff --git a/asterix-app/src/test/resources/runtimets/testsuite.xml b/asterix-app/src/test/resources/runtimets/testsuite.xml
index 956c76d..9e6c308 100644
--- a/asterix-app/src/test/resources/runtimets/testsuite.xml
+++ b/asterix-app/src/test/resources/runtimets/testsuite.xml
@@ -2805,6 +2805,12 @@
         <output-dir compare="Text">query-issue258</output-dir>
       </compilation-unit>
     </test-case>
+    <test-case FilePath="open-closed">
+      <compilation-unit name="query-issue442">
+        <output-dir compare="Text">query-issue442</output-dir>
+        <expected-error>edu.uci.ics.asterix.common.exceptions.AsterixException</expected-error>
+      </compilation-unit>
+    </test-case>
   </test-group>
   <test-group name="quantifiers">
     <test-case FilePath="quantifiers">
@@ -4349,4 +4355,16 @@
       </compilation-unit>
     </test-case>
   </test-group>
+  <test-group name="distinct">
+  	<test-case FilePath="distinct">
+      <compilation-unit name="query-issue443">
+        <output-dir compare="Text">query-issue443</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="distinct">
+      <compilation-unit name="query-issue443-2">
+        <output-dir compare="Text">query-issue443-2</output-dir>
+      </compilation-unit>
+    </test-case>
+  </test-group>
 </test-suite>
diff --git a/asterix-doc/src/site/markdown/index.md b/asterix-doc/src/site/markdown/index.md
new file mode 100644
index 0000000..cba2fdc
--- /dev/null
+++ b/asterix-doc/src/site/markdown/index.md
@@ -0,0 +1 @@
+# AsterixDB
diff --git a/asterix-doc/src/site/site.xml b/asterix-doc/src/site/site.xml
new file mode 100644
index 0000000..6724153
--- /dev/null
+++ b/asterix-doc/src/site/site.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<project name="AsterixDB" xmlns="http://maven.apache.org/DECORATION/1.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/DECORATION/1.0.0 http://maven.apache.org/xsd/decoration-1.0.0.xsd">
+  <!--
+  <bannerLeft>
+    <name>Asterix</name>
+    <src>http://asterix.ics.uci.edu/pic/img9.jpg</src>
+    <href>http://asterix.ics.uci.edu/</href>
+  </bannerLeft>
+  -->
+
+  <skin>
+    <groupId>org.apache.maven.skins</groupId>
+    <artifactId>maven-fluido-skin</artifactId>
+    <version>1.2.1</version>
+  </skin>
+  <custom>
+    <fluidoSkin>
+      <sideBarEnabled>true</sideBarEnabled>
+      <!-- <googlePlusOne /> -->
+    </fluidoSkin>
+  </custom>
+
+  <body>
+    <links>
+      <item name="Home" href="index.html"/>
+    </links>
+
+    <menu name="Documentation">
+      <item name="AsterixDB: A Big Data Management System" href="AsterixAlphaRelease.html"/>
+      <item name="Installing Asterix using Managix" href="InstallingAsterixUsingManagix.html"/>
+      <item name="AsterixDB 101: An ADM and AQL Primer" href="AdmAql101.html"/>
+      <item name="Asterix Data Model (ADM)" href="AsterixDBDataModel.html"/>
+      <item name="AsterixDB Functions" href="AsterixDBFunctions.html"/>
+      <item name="The Asterix Query Language" href="AsterixQueryLanguageReference.html"/>
+      <item name="AsterixDB Support of Similarity Queries" href="AsterixSimilarityQueries.html"/>
+      <item name="Accessing External Data in AsterixDB" href="AccessingExternalDataInAsterixDB.html"/>
+      <item name="REST API to AsterixDB" href="AsterixDBRestAPI.html"/>
+      <item name="(old AQL doc)" href="AsterixQueryLanguage.html"/>      
+    </menu>
+
+    <menu ref="reports"/>
+  </body>
+</project>
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/nontagged/comparators/AObjectAscBinaryComparatorFactory.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/nontagged/comparators/AObjectAscBinaryComparatorFactory.java
index 865ab94..f795b17 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/nontagged/comparators/AObjectAscBinaryComparatorFactory.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/nontagged/comparators/AObjectAscBinaryComparatorFactory.java
@@ -62,8 +62,13 @@
                         return 1;
                 }
 
-                ATypeTag tag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(b1[s1]);
-                switch (tag) {
+                ATypeTag tag1 = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(b1[s1]);
+                ATypeTag tag2 = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(b2[s2]);
+                if (tag1 != tag2) {
+                    throw new IllegalStateException("The values of two inconsistent types (" + tag1 + " and " + tag2
+                            + ") cannot be compared!");
+                }
+                switch (tag1) {
                     case BOOLEAN: {
                         return ascBoolComp.compare(b1, s1 + 1, l1 - 1, b2, s2 + 1, l2 - 1);
                     }
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/AqlBinaryHashFunctionFactoryProvider.java b/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/AqlBinaryHashFunctionFactoryProvider.java
index 33698bd..7bfdb050 100644
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/AqlBinaryHashFunctionFactoryProvider.java
+++ b/asterix-om/src/main/java/edu/uci/ics/asterix/formats/nontagged/AqlBinaryHashFunctionFactoryProvider.java
@@ -106,7 +106,7 @@
 
                     @Override
                     public int hash(byte[] bytes, int offset, int length) {
-                        return bhf.hash(bytes, offset + 1, length);
+                        return bhf.hash(bytes, offset + 1, length - 1);
                     }
                 };
             }