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Posted to commits@asterixdb.apache.org by bu...@apache.org on 2016/04/18 17:48:44 UTC

[19/28] incubator-asterixdb git commit: ASTERIXDB-1383: reduce the number of lines for "AS".

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_02.ast
index e1907ec..e3d355c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_02.ast
@@ -42,14 +42,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o1 ]
+  AS Variable [ Name=$o1 ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$o2 ]
+  AS Variable [ Name=$o2 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_03.ast
index a836da0..670eca1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_03.ast
@@ -33,14 +33,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o1 ]
+  AS Variable [ Name=$o1 ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o2 ]
+  AS Variable [ Name=$o2 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_04.ast
index 42281a1..e6b810e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-contains_04.ast
@@ -41,14 +41,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o1 ]
+  AS Variable [ Name=$o1 ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$o2 ]
+  AS Variable [ Name=$o2 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast
index 3c5feeb..62fe9ef 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast
index de05bf0..1485a97 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast
index ff136b2..ef4be6c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast
@@ -27,14 +27,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast
index 219e048..4919e2b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast
@@ -36,14 +36,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast
index 219e048..4919e2b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast
@@ -36,14 +36,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast
index 8e71586..ed41664 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast
@@ -35,14 +35,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Let Variable [ Name=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast
index 919ba68..e60ccde 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast
index be87f37..b6459c2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast
index af9b9ef..5450068 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast
index e76d8dd..e6b4e7a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast
@@ -27,14 +27,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast
index 43f5e80..6faa10b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast
@@ -36,14 +36,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast
index 43f5e80..6faa10b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast
@@ -36,14 +36,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast
index 8d5e71f..66defd4 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast
@@ -32,14 +32,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Let Variable [ Name=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
index dd72303..4132835 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
@@ -39,14 +39,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
index d1fbdf9..8e0c421 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
@@ -39,14 +39,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
index 37f51d6..da82a34 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
@@ -29,14 +29,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
index c8716bf..cd13ec4 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
@@ -38,14 +38,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
index c8716bf..cd13ec4 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
@@ -38,14 +38,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
index 2d6408f..f7c5b24 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
@@ -40,14 +40,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
index 4f086b3..fe21703 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
@@ -40,14 +40,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
index 44134d6..4ac2fdd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
@@ -30,14 +30,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
index 502deb9..6ded678 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
@@ -39,14 +39,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast
index d983a09..5cd18a9 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast
@@ -38,14 +38,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast
index 26d0cca..350b374 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast
@@ -38,14 +38,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast
index 021ac4d..e66eb56 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast
@@ -28,14 +28,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast
index f9aa024..5d5a853 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast
index cfe55f3..f704f9e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast
@@ -36,14 +36,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Let Variable [ Name=$jacc ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast
index d287581..0d2b444 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast
@@ -38,14 +38,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast
index 423fa95..ee2e336 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast
@@ -38,14 +38,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast
index 9a5b13d..4b297e1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast
@@ -28,14 +28,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast
index eb3854e..e630757 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast
index cbdbe18..b244ffb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast
@@ -33,14 +33,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Let Variable [ Name=$jacc ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast
index 22bb3f5..0e58695 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast
@@ -39,14 +39,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast
index d0372f91..407bcf7 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast
@@ -39,14 +39,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast
index 1ca2f30..b25b620 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast
@@ -29,14 +29,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast
index d02fe3f..627ccae 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast
@@ -38,14 +38,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast
index 40affc1..f547643 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast
@@ -55,14 +55,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
-  AS
-  Variable [ Name=$t1 ]
+  AS Variable [ Name=$t1 ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
-  AS
-  Variable [ Name=$t2 ]
+  AS Variable [ Name=$t2 ]
 ]
 Let Variable [ Name=$sim ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast
index bf554dd..293612b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast
index eea0cc7..f66ffa7 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast
index da4db64..0d50b5d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast
@@ -27,14 +27,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast
index dba70e2..1220f3f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast
@@ -36,14 +36,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast
index 2c1b84d..9c9fff8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast
@@ -35,14 +35,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Let Variable [ Name=$jacc ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast
index 2c603af..16fad9b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast
index 38e2909..7442f5c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast
@@ -37,14 +37,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast
index 764bafa..39aab29 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast
@@ -27,14 +27,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast
index 7bdfb3c..ea7d4cd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast
@@ -36,14 +36,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast
index f11b74c..5d3058e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast
@@ -32,14 +32,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Let Variable [ Name=$jacc ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
index bc0c4b4..eaf0b26 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
@@ -69,8 +69,7 @@ RecordConstructor [
       FROM [        FunctionCall Metadata.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
-        AS
-        Variable [ Name=$t2 ]
+        AS Variable [ Name=$t2 ]
       ]
       Where
         FunctionCall test.spatial-intersect@2[
@@ -94,8 +93,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
-  AS
-  Variable [ Name=$t1 ]
+  AS Variable [ Name=$t1 ]
 ]
 Let Variable [ Name=$n ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
index 8715603..3bc4067 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
@@ -69,8 +69,7 @@ RecordConstructor [
       FROM [        FunctionCall Metadata.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
-        AS
-        Variable [ Name=$t2 ]
+        AS Variable [ Name=$t2 ]
       ]
       Where
         OperatorExpr [
@@ -108,8 +107,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
-  AS
-  Variable [ Name=$t1 ]
+  AS Variable [ Name=$t1 ]
 ]
 Let Variable [ Name=$n ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast
index e5b4056..5ca33b1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast
@@ -43,14 +43,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData1]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData2]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   FunctionCall test.spatial-intersect@2[

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast
index e97c1e5..b98868a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast
@@ -43,14 +43,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData1]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData2]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   FunctionCall test.spatial-intersect@2[

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast
index 1119266..a05ea27 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast
@@ -30,14 +30,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   FunctionCall test.spatial-intersect@2[

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast
index 955bf16..edf9f3c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast
@@ -31,14 +31,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData1]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData2]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   FunctionCall test.spatial-intersect@2[

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast
index 955bf16..edf9f3c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast
@@ -31,14 +31,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData1]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [MyData2]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   FunctionCall test.spatial-intersect@2[

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast
index 427b83b..8de7e6f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast
@@ -41,8 +41,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 Groupby
   Variable [ Name=$name ]
@@ -51,11 +50,9 @@ Groupby
     Variable [ Name=$c ]
     Field=name
   ]
-  GROUP AS
-  Variable [ Name=#1 ]
+  GROUP AS Variable [ Name=#1 ]
   (
-  Variable [ Name=$c ]
-   AS c
+    c:=Variable [ Name=$c ]
   )
 
 Orderby

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast
index 2494cbc..3f1faf2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast
@@ -31,8 +31,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=#1 ]
-          AS
-          Variable [ Name=#2 ]
+          AS Variable [ Name=#2 ]
         ]
       )
     ]
@@ -49,8 +48,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$o ]
-          AS
-          Variable [ Name=$i ]
+          AS Variable [ Name=$i ]
         ]
       )
     ]
@@ -67,8 +65,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$o ]
-          AS
-          Variable [ Name=$i ]
+          AS Variable [ Name=$i ]
         ]
       )
     ]
@@ -78,8 +75,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Groupby
   Variable [ Name=$cid ]
@@ -88,10 +84,8 @@ Groupby
     Variable [ Name=$o ]
     Field=cid
   ]
-  GROUP AS
-  Variable [ Name=#1 ]
+  GROUP AS Variable [ Name=#1 ]
   (
-  Variable [ Name=$o ]
-   AS o
+    o:=Variable [ Name=$o ]
   )
 

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast
index a74c45c..964efa8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast
@@ -46,8 +46,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast
index 1142ebc..db63af0 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast
@@ -38,8 +38,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast
index 06dd552..1d0084f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast
@@ -46,8 +46,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast
index 91cb4da..9b910fc 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast
@@ -38,8 +38,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast
index 8eaa989..006cc86 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast
@@ -46,8 +46,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast
index 04a11b5..eb2a419 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast
@@ -38,8 +38,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast
index 995cd6e..a76d6eb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast
@@ -38,8 +38,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast
index eca2c7d..22a1c0a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast
@@ -38,8 +38,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast
index 81fd86b..815b2f1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast
@@ -38,8 +38,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast
index ba71f97..c0010bf 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast
@@ -44,14 +44,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Users]
   ]
-  AS
-  Variable [ Name=$user ]
+  AS Variable [ Name=$user ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Visitors]
   ]
-  AS
-  Variable [ Name=$visitor ]
+  AS Variable [ Name=$visitor ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast
index e2ad00e..239c3ff 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast
@@ -31,8 +31,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$paperDBLP ]
+  AS Variable [ Name=$paperDBLP ]
 ]
 Let Variable [ Name=$matches ]
   :=
@@ -46,8 +45,7 @@ Let Variable [ Name=$matches ]
     FROM [      FunctionCall Metadata.dataset@1[
         LiteralExpr [STRING] [DBLP]
       ]
-      AS
-      Variable [ Name=$paper ]
+      AS Variable [ Name=$paper ]
     ]
     Where
       OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast
index 9d04a0c..d4b596b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast
@@ -38,8 +38,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast
index 1a4fc42..1a91b41 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast
@@ -46,8 +46,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$l ]
-          AS
-          Variable [ Name=$i ]
+          AS Variable [ Name=$i ]
         ]
       )
     ]
@@ -64,8 +63,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$l ]
-          AS
-          Variable [ Name=$i ]
+          AS Variable [ Name=$i ]
         ]
       )
     ]
@@ -93,8 +91,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$l ]
-          AS
-          Variable [ Name=$i ]
+          AS Variable [ Name=$i ]
         ]
       )
     ]
@@ -131,8 +128,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$l ]
-          AS
-          Variable [ Name=$i ]
+          AS Variable [ Name=$i ]
         ]
       )
     ]
@@ -149,8 +145,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$l ]
-          AS
-          Variable [ Name=$i ]
+          AS Variable [ Name=$i ]
         ]
       )
     ]
@@ -167,8 +162,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$l ]
-          AS
-          Variable [ Name=$i ]
+          AS Variable [ Name=$i ]
         ]
       )
     ]
@@ -185,8 +179,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$l ]
-          AS
-          Variable [ Name=$i ]
+          AS Variable [ Name=$i ]
         ]
       )
     ]
@@ -203,8 +196,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=#1 ]
-          AS
-          Variable [ Name=#2 ]
+          AS Variable [ Name=#2 ]
         ]
       )
     ]
@@ -214,8 +206,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [LineItem]
   ]
-  AS
-  Variable [ Name=$l ]
+  AS Variable [ Name=$l ]
 ]
 Where
   OperatorExpr [
@@ -239,11 +230,9 @@ Groupby
     Variable [ Name=$l ]
     Field=l_linestatus
   ]
-  GROUP AS
-  Variable [ Name=#1 ]
+  GROUP AS Variable [ Name=#1 ]
   (
-  Variable [ Name=$l ]
-   AS l
+    l:=Variable [ Name=$l ]
   )
 
 Orderby