commit b9169b66c48b57bb33df917468848427ef72b418
author Yingyi Bu <yingyi@couchbase.com> Fri Feb 26 21:21:49 2016 -0800
committer Yingyi Bu <buyingyi@gmail.com> Fri Feb 26 22:17:08 2016 -0800
tree ab8d58035663b75df1e611e8caf0fa037cac68fa
parent 89dfcee44f50f659d7586a20bc2a4e3511c7a32a

Add DDL support for optionally associating meta record with dataset record.

-Fixed the TestExecutor.runScriptAndCompareWithResult() to compare fields
 after "Time"-prefixed fields.

Change-Id: I613316985dbd7f553d946f95c5b1a1df56914902
Reviewed-on: https://asterix-gerrit.ics.uci.edu/666
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>

asterix-lang-aql/src/main/javacc/AQL.jj

diff --git a/asterix-lang-aql/src/main/javacc/AQL.jj b/asterix-lang-aql/src/main/javacc/AQL.jj
index 93e3f68..ea95871 100644
--- a/asterix-lang-aql/src/main/javacc/AQL.jj
+++ b/asterix-lang-aql/src/main/javacc/AQL.jj
@@ -416,6 +416,7 @@
   String compactionPolicy = null;
   boolean temp = false;
   List<String> filterField = null;
+  Pair<Identifier,Identifier> metaTypeComponents = new Pair<Identifier, Identifier>(null, null);
 }
 {
   (
@@ -434,6 +435,8 @@
                                    nameComponents.second,
                                    typeComponents.first,
                                    typeComponents.second,
+                                   metaTypeComponents.first,
+                                   metaTypeComponents.second,
                                    nodeGroupName != null? new Identifier(nodeGroupName): null,
                                    compactionPolicy,
                                    compactionPolicyProperties,
@@ -446,9 +449,20 @@
     | ("internal" | "temporary" {
             temp = token.image.toLowerCase().equals("temporary");
         }
-      )? 
+      )?
     <DATASET> nameComponents = QualifiedName()
     <LEFTPAREN> typeComponents = TypeName() <RIGHTPAREN>
+    (
+        { String name; }
+        <WITH>
+        name = Identifier()
+        {
+            if(!name.equals("meta")){
+                throw new ParseException("We can only support one additional associated field called \"meta\".");
+            }
+        }
+        <LEFTPAREN> metaTypeComponents = TypeName() <RIGHTPAREN>
+    )?
     ifNotExists = IfNotExists()
     primaryKeyFields = PrimaryKey()
     ("autogenerated" { autogenerated = true; } )?
@@ -465,6 +479,8 @@
                                    nameComponents.second,
                                    typeComponents.first,
                                    typeComponents.second,
+                                   metaTypeComponents.first,
+                                   metaTypeComponents.second,
                                    nodeGroupName != null ? new Identifier(nodeGroupName) : null,
                                    compactionPolicy,
                                    compactionPolicyProperties,
@@ -1386,7 +1402,23 @@
 {
   lit = Identifier()
   {
-    exprList.add(lit);
+    boolean meetParens = false;
+  }
+  (
+    <LEFTPAREN><RIGHTPAREN>
+    {
+        if(lit.equals("meta")){
+            exprList.add(lit+"()");
+        }else{
+            throw new ParseException("The string before () has to be \"meta\".");
+        }
+        meetParens = true;
+    }
+  )?
+  {
+    if(!meetParens){
+        exprList.add(lit);
+    }
   }
   (<DOT>
     lit = Identifier()