You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@asterixdb.apache.org by bu...@apache.org on 2016/04/18 17:48:46 UTC

[21/28] 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/nested-open-index/inverted-index-basic/word-jaccard-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard-check.ast
index e370ef4..3cf7c2c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard-check.ast
@@ -21,8 +21,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   IndexAccessor [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard.ast
index 3e080c5..607fc89 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard.ast
@@ -21,8 +21,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$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/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast
index 7ff7fa8..14a4945 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast
@@ -21,8 +21,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$eda ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast
index 98fd444..76dacbe 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast
@@ -21,8 +21,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$edb ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
index 9354f98..aa3f26a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
@@ -21,8 +21,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let.ast
index 1da2986..c126153 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-let.ast
@@ -21,8 +21,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-substring.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-substring.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-substring.ast
index b9bae08..93d293a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-substring.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-substring.ast
@@ -44,8 +44,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$paper ]
+  AS Variable [ Name=$paper ]
 ]
 Where
   IndexAccessor [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
index fcc11b3..a307519 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
@@ -44,8 +44,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$paper ]
+  AS Variable [ Name=$paper ]
 ,
   FunctionCall test.word-tokens@1[
     FieldAccessor [
@@ -56,8 +55,7 @@ FROM [  FunctionCall Metadata.dataset@1[
       Field=title
     ]
   ]
-  AS
-  Variable [ Name=$word ]
+  AS Variable [ Name=$word ]
 ]
 Where
   IndexAccessor [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-let.ast
index 3875cd8..3ff4d81 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-let.ast
@@ -22,8 +22,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$jacc ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast
index db83edf..5b6b065 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast
@@ -33,8 +33,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$paper ]
+  AS Variable [ Name=$paper ]
 ]
 Let Variable [ Name=$paper_tokens ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-let.ast
index 0132430..8f852b2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-let.ast
@@ -21,8 +21,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$jacc ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-multi-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-multi-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-multi-let.ast
index 55c28e7..1451a85 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-multi-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-complex/word-jaccard-check-multi-let.ast
@@ -32,8 +32,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$paper ]
+  AS Variable [ Name=$paper ]
 ]
 Let Variable [ Name=$paper_tokens ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.ast
index 10b23d7..3567413 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.ast
@@ -92,8 +92,7 @@ RecordConstructor [
       FROM [        FunctionCall Metadata.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
-        AS
-        Variable [ Name=$t2 ]
+        AS Variable [ Name=$t2 ]
       ]
       Let Variable [ Name=$sim ]
         :=
@@ -156,8 +155,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
-  AS
-  Variable [ Name=$t1 ]
+  AS Variable [ Name=$t1 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_01.ast
index fb0a906..521f510 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_01.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/nested-open-index/inverted-index-join/ngram-contains_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_02.ast
index 4df1127..b9dce43 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_02.ast
@@ -42,14 +42,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/ngram-contains_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_03.ast
index a836da0..670eca1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/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/nested-open-index/inverted-index-join/ngram-contains_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_04.ast
index 42281a1..e6b810e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-contains_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/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/nested-open-index/inverted-index-join/ngram-edit-distance-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_01.ast
index 8e3ad38..c065c22 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_01.ast
@@ -47,14 +47,12 @@ 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/nested-open-index/inverted-index-join/ngram-edit-distance-check_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_02.ast
index 2429f49..210dbcd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_02.ast
@@ -47,14 +47,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/ngram-edit-distance-check_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_03.ast
index c7665cc..5ff701b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_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 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_04.ast
index 1ceb471..8736daf 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_04.ast
@@ -46,14 +46,12 @@ 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/nested-open-index/inverted-index-join/ngram-edit-distance-check_05.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_05.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_05.ast
index 1ceb471..8736daf 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_05.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-check_05.ast
@@ -46,14 +46,12 @@ 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/nested-open-index/inverted-index-join/ngram-edit-distance-contains.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-contains.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-contains.ast
index d4e3350..d8f49be 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-contains.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-contains.ast
@@ -47,14 +47,12 @@ 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/nested-open-index/inverted-index-join/ngram-edit-distance-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-inline.ast
index 09f2572..b21ed80 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance-inline.ast
@@ -49,14 +49,12 @@ 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/nested-open-index/inverted-index-join/ngram-edit-distance_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_01.ast
index 940f918..7e52fea 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_01.ast
@@ -47,14 +47,12 @@ 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/nested-open-index/inverted-index-join/ngram-edit-distance_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_02.ast
index 5e5f175..d8bbcae 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_02.ast
@@ -47,14 +47,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/ngram-edit-distance_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_03.ast
index c2fca7f..a0b4ecd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_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 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_04.ast
index b33f72b..d1113ca 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_04.ast
@@ -46,14 +46,12 @@ 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/nested-open-index/inverted-index-join/ngram-edit-distance_05.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_05.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_05.ast
index b33f72b..d1113ca 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_05.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-edit-distance_05.ast
@@ -46,14 +46,12 @@ 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/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
index 3ae061f..00a1150 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
@@ -49,14 +49,12 @@ 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/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
index 855d1f0..73d44ec 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
@@ -49,14 +49,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
index 0ba9b96..5b74a1b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
@@ -34,14 +34,12 @@ 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/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
index 77c3912..5113bbe 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
@@ -48,14 +48,12 @@ 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/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
index 77c3912..5113bbe 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
@@ -48,14 +48,12 @@ 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/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
index a3e07df..c48c3d1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
@@ -50,14 +50,12 @@ 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/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
index 0515157..1a41722 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
@@ -50,14 +50,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
index 02de029..d68d9de 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_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 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
index 43ce4fd..6dfb496 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
@@ -49,14 +49,12 @@ 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/nested-open-index/inverted-index-join/ngram-jaccard-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_01.ast
index 8479adc..4c049c3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_01.ast
@@ -48,14 +48,12 @@ 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/nested-open-index/inverted-index-join/ngram-jaccard-check_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_02.ast
index 3a0af2b..3810d56 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_02.ast
@@ -48,14 +48,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/ngram-jaccard-check_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_03.ast
index ba335fc..62050ca 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_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 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_04.ast
index 546f130..1884ed6 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-check_04.ast
@@ -47,14 +47,12 @@ 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/nested-open-index/inverted-index-join/ngram-jaccard-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-inline.ast
index 38a5907..a41bbd0 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard-inline.ast
@@ -50,14 +50,12 @@ 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/nested-open-index/inverted-index-join/ngram-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_01.ast
index f43dedb..ae3c2cb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_01.ast
@@ -48,14 +48,12 @@ 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/nested-open-index/inverted-index-join/ngram-jaccard_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_02.ast
index 89114ec..38ce601 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_02.ast
@@ -48,14 +48,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/ngram-jaccard_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_03.ast
index 8fa79f3..1420456 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_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 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_04.ast
index 03cb954..be8fac5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/ngram-jaccard_04.ast
@@ -47,14 +47,12 @@ 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/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast
index d686415..e927313 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast
@@ -49,14 +49,12 @@ 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/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_02.ast
index 036d136..19dad48 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_02.ast
@@ -49,14 +49,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_03.ast
index 868b838..afeda0a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_03.ast
@@ -34,14 +34,12 @@ 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/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_04.ast
index 8228647..e4cf01a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-fuzzyeq-jaccard_04.ast
@@ -48,14 +48,12 @@ 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/nested-open-index/inverted-index-join/word-jaccard-check-after-btree-access.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check-after-btree-access.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check-after-btree-access.ast
index c7ddb54..9175934 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check-after-btree-access.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check-after-btree-access.ast
@@ -66,14 +66,12 @@ 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/nested-open-index/inverted-index-join/word-jaccard-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_01.ast
index 84cffe8..2162fc1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_01.ast
@@ -47,14 +47,12 @@ 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/nested-open-index/inverted-index-join/word-jaccard-check_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_02.ast
index 398bdd5..43266aa 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_02.ast
@@ -47,14 +47,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/word-jaccard-check_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_03.ast
index 50df581..ca94210 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_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 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_04.ast
index 327d750..1b699b8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-check_04.ast
@@ -46,14 +46,12 @@ 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/nested-open-index/inverted-index-join/word-jaccard-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-inline.ast
index b7f45d7..465564e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard-inline.ast
@@ -49,14 +49,12 @@ 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/nested-open-index/inverted-index-join/word-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_01.ast
index b5d8f53..6cb7724 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_01.ast
@@ -47,14 +47,12 @@ 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/nested-open-index/inverted-index-join/word-jaccard_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_02.ast
index c1ecf1a..1c0ed4d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_02.ast
@@ -47,14 +47,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  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/nested-open-index/inverted-index-join/word-jaccard_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_03.ast
index a953fdd..407fa99 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_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 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_04.ast
index 483b580..200c66d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-join/word-jaccard_04.ast
@@ -46,14 +46,12 @@ 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/nested-open-index/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/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
index 8e51c71..2f00aa9 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
@@ -86,8 +86,7 @@ RecordConstructor [
       FROM [        FunctionCall Metadata.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
-        AS
-        Variable [ Name=$t2 ]
+        AS Variable [ Name=$t2 ]
       ]
       Where
         FunctionCall test.spatial-intersect@2[
@@ -114,8 +113,7 @@ 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/nested-open-index/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/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
index 5ec7f58..8154380 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
@@ -86,8 +86,7 @@ RecordConstructor [
       FROM [        FunctionCall Metadata.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
-        AS
-        Variable [ Name=$t2 ]
+        AS Variable [ Name=$t2 ]
       ]
       Where
         OperatorExpr [
@@ -137,8 +136,7 @@ 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/nested-open-index/rtree-index-join/spatial-intersect-point_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_01.ast
index 6aa939e..23c9f97 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_01.ast
@@ -37,14 +37,12 @@ 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/nested-open-index/rtree-index-join/spatial-intersect-point_02.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_02.ast
index 9db17c9..5dca6be 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_02.ast
@@ -37,14 +37,12 @@ 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/nested-open-index/rtree-index-join/spatial-intersect-point_03.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_03.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_03.ast
index 3ddad6e..7761734 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_03.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_03.ast
@@ -36,14 +36,12 @@ 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/nested-open-index/rtree-index-join/spatial-intersect-point_04.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_04.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_04.ast
index b83cd3f..da9f7c3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_04.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_04.ast
@@ -36,14 +36,12 @@ 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/nested-open-index/rtree-index-join/spatial-intersect-point_05.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_05.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_05.ast
index b83cd3f..da9f7c3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_05.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/rtree-index-join/spatial-intersect-point_05.ast
@@ -36,14 +36,12 @@ 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/nested_loj2.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested_loj2.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested_loj2.ast
index 6864f31..72a12da 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested_loj2.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested_loj2.ast
@@ -66,8 +66,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 Let Variable [ Name=$orders ]
   :=
@@ -89,8 +88,7 @@ Let Variable [ Name=$orders ]
     FROM [      FunctionCall Metadata.dataset@1[
         LiteralExpr [STRING] [Orders]
       ]
-      AS
-      Variable [ Name=$o ]
+      AS Variable [ Name=$o ]
     ]
     Let Variable [ Name=$items ]
       :=
@@ -101,8 +99,7 @@ Let Variable [ Name=$orders ]
         FROM [          FunctionCall Metadata.dataset@1[
             LiteralExpr [STRING] [LineItems]
           ]
-          AS
-          Variable [ Name=$l ]
+          AS Variable [ Name=$l ]
         ]
         Where
           OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested_loj3.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested_loj3.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested_loj3.ast
index 4920f71..0a88da9 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested_loj3.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested_loj3.ast
@@ -76,8 +76,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 Let Variable [ Name=$orders ]
   :=
@@ -99,8 +98,7 @@ Let Variable [ Name=$orders ]
     FROM [      FunctionCall Metadata.dataset@1[
         LiteralExpr [STRING] [Orders]
       ]
-      AS
-      Variable [ Name=$o ]
+      AS Variable [ Name=$o ]
     ]
     Let Variable [ Name=$items ]
       :=
@@ -122,8 +120,7 @@ Let Variable [ Name=$orders ]
         FROM [          FunctionCall Metadata.dataset@1[
             LiteralExpr [STRING] [LineItems]
           ]
-          AS
-          Variable [ Name=$l ]
+          AS Variable [ Name=$l ]
         ]
         Let Variable [ Name=$partsupp ]
           :=
@@ -134,8 +131,7 @@ Let Variable [ Name=$orders ]
             FROM [              FunctionCall Metadata.dataset@1[
                 LiteralExpr [STRING] [PartSupp]
               ]
-              AS
-              Variable [ Name=$ps ]
+              AS Variable [ Name=$ps ]
             ]
             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/btree-index-join/disjunction-to-join.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/btree-index-join/disjunction-to-join.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/btree-index-join/disjunction-to-join.ast
index 6444609..d1e9759 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/btree-index-join/disjunction-to-join.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/btree-index-join/disjunction-to-join.ast
@@ -13,8 +13,7 @@ Variable [ Name=$x ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TestSet]
   ]
-  AS
-  Variable [ Name=$x ]
+  AS Variable [ Name=$x ]
 ]
 Where
   OperatorExpr [