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

[23/28] 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-index/btree-index/btree-secondary-44.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-44.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-44.ast
index 4a2e9a8..942a013 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-44.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-44.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-45.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-45.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-45.ast
index faa6df8..82513e6 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-45.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-45.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-46.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-46.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-46.ast
index d730df6..d0585b3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-46.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-46.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-47.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-47.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-47.ast
index 62f7711..cd5a6bb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-47.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-47.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-48.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-48.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-48.ast
index 0b0f3fc..bb8cad1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-48.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-48.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-49.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-49.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-49.ast
index 6cc6478..45f2c32 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-49.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-49.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-50.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-50.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-50.ast
index 3b5ca90..a3f8a09 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-50.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-50.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-51.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-51.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-51.ast
index 724e948..a4c2c42 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-51.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-51.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-52.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-52.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-52.ast
index 5594a15..ee5f417 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-52.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-52.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-53.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-53.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-53.ast
index 91a3072..4370efe 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-53.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-53.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-54.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-54.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-54.ast
index 0dde970..6640cea 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-54.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-54.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-55.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-55.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-55.ast
index c939202..c556fb8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-55.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-55.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-56.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-56.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-56.ast
index f173658..af4e8ea 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-56.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-56.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-57.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-57.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-57.ast
index 4397481..30c90ea 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-57.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-57.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-58.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-58.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-58.ast
index c0ef98f..82b4680 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-58.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-58.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-59.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-59.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-59.ast
index 06fb34c..8f02f76 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-59.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-59.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-60.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-60.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-60.ast
index 8bb9cbe..511dafe 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-60.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-60.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-61.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-61.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-61.ast
index afb7c7b..1e9187b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-61.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-61.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-62.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-62.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-62.ast
index d2de0a8..c5d661c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-62.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-62.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/btree-index/btree-secondary-63.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-63.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-63.ast
index ac470b4..45c808b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-63.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/btree-index/btree-secondary-63.ast
@@ -20,8 +20,7 @@ Variable [ Name=$emp ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
-  AS
-  Variable [ Name=$emp ]
+  AS Variable [ Name=$emp ]
 ]
 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-index/inverted-index-basic/ngram-contains-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-contains-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-contains-panic.ast
index 2a2447b..c900f95 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-contains-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-contains-panic.ast
@@ -22,8 +22,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   FunctionCall test.contains@2[

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-contains.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-contains.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-contains.ast
index ea8456d..a14ce36 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-contains.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-contains.ast
@@ -22,8 +22,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   FunctionCall test.contains@2[

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check-panic.ast
index de58b35..a8fe892 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check-panic.ast
@@ -22,8 +22,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check.ast
index 7219ea6..3b85fdf 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-check.ast
@@ -22,8 +22,7 @@ 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-index/inverted-index-basic/ngram-edit-distance-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-panic.ast
index dec4a8c..e440296 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance-panic.ast
@@ -22,8 +22,7 @@ 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-index/inverted-index-basic/ngram-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance.ast
index d9a978b..b3407d9 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-edit-distance.ast
@@ -22,8 +22,7 @@ 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-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
index bdc2fbf..01701f9 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
@@ -24,8 +24,7 @@ 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-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
index 9aec6f0..a9ae4c2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
@@ -25,8 +25,7 @@ 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-index/inverted-index-basic/ngram-jaccard-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-jaccard-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-jaccard-check.ast
index 4494aa8..07e3a69 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-jaccard-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-jaccard-check.ast
@@ -23,8 +23,7 @@ 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-index/inverted-index-basic/ngram-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-jaccard.ast
index f0c7506..9bb7f9b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ngram-jaccard.ast
@@ -23,8 +23,7 @@ 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-index/inverted-index-basic/olist-edit-distance-check-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-check-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-check-panic.ast
index 7cdc47f..1aff230 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-check-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-check-panic.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/olist-edit-distance-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-check.ast
index 7e4626b..3bbac54 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-check.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/olist-edit-distance-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-panic.ast
index 8f80b01..fb4293a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance-panic.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/olist-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance.ast
index 83d0571..df3a328 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-edit-distance.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/olist-fuzzyeq-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-fuzzyeq-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-fuzzyeq-edit-distance.ast
index eef9997..ee70178 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-fuzzyeq-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-fuzzyeq-edit-distance.ast
@@ -38,8 +38,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/olist-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-fuzzyeq-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-fuzzyeq-jaccard.ast
index ca89a6a..b5842f3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-fuzzyeq-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-fuzzyeq-jaccard.ast
@@ -38,8 +38,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/olist-jaccard-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-jaccard-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-jaccard-check.ast
index fc7f74c..0474a62 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-jaccard-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-jaccard-check.ast
@@ -36,8 +36,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/olist-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-jaccard.ast
index 3985eea..a85f2ac 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/olist-jaccard.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/ulist-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-fuzzyeq-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-fuzzyeq-jaccard.ast
index 8d69835..b92a95f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-fuzzyeq-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-fuzzyeq-jaccard.ast
@@ -39,8 +39,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/ulist-jaccard-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-jaccard-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-jaccard-check.ast
index e0b48ba..c67381b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-jaccard-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-jaccard-check.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/ulist-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-jaccard.ast
index f7501e4..16f1538 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/ulist-jaccard.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 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-index/inverted-index-basic/word-contains.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-contains.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-contains.ast
index f0da7f6..e58f478 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-contains.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-contains.ast
@@ -22,8 +22,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   FunctionCall test.contains@2[

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-fuzzyeq-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-fuzzyeq-jaccard.ast
index 2cd00d0..a20cb72 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-fuzzyeq-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-fuzzyeq-jaccard.ast
@@ -24,8 +24,7 @@ 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-index/inverted-index-basic/word-jaccard-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-jaccard-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-jaccard-check.ast
index 1bbb4e1..9d57591 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-jaccard-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-jaccard-check.ast
@@ -22,8 +22,7 @@ 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-index/inverted-index-basic/word-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-jaccard.ast
index f69b698..34427ac 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-basic/word-jaccard.ast
@@ -22,8 +22,7 @@ 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-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-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-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast
index 3274d55..9577e90 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-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-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast
@@ -22,8 +22,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$eda ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-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-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-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast
index ba67f6c..2fddf74 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-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-index/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast
@@ -22,8 +22,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$edb ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-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-index/inverted-index-complex/ngram-edit-distance-check-let-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
index b4cf5a8..3bf5d3e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
@@ -22,8 +22,7 @@ Variable [ Name=$o ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Let Variable [ Name=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-let.ast
index 690da4c..ffc049d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-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=$o ]
 ]
 Let Variable [ Name=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-substring.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-substring.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-substring.ast
index 0e0ef6b..b6ceb69 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-substring.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-substring.ast
@@ -45,8 +45,7 @@ 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-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-index/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
index 7e7436a..dc5b2da 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
@@ -45,8 +45,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$paper ]
+  AS Variable [ Name=$paper ]
 ,
   FunctionCall test.word-tokens@1[
     FieldAccessor [
@@ -57,8 +56,7 @@ 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-index/inverted-index-complex/ngram-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-jaccard-check-let.ast
index eb504ee..8b834a0 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-jaccard-check-let.ast
@@ -23,8 +23,7 @@ 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-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast
index 894bfdf..48e7479 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ngram-jaccard-check-multi-let.ast
@@ -34,8 +34,7 @@ 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-index/inverted-index-complex/olist-edit-distance-check-let-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-edit-distance-check-let-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-edit-distance-check-let-panic.ast
index de2b1ee..1cd94f6 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-edit-distance-check-let-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-edit-distance-check-let-panic.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 Let Variable [ Name=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-edit-distance-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-edit-distance-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-edit-distance-check-let.ast
index 8ca4b77..0f9a149 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-edit-distance-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-edit-distance-check-let.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 Let Variable [ Name=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-jaccard-check-let.ast
index 72bc93d..ad00f55 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/olist-jaccard-check-let.ast
@@ -36,8 +36,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 Let Variable [ Name=$jacc ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ulist-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ulist-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ulist-jaccard-check-let.ast
index c04b63d..4bf45d8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ulist-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/ulist-jaccard-check-let.ast
@@ -37,8 +37,7 @@ Variable [ Name=$c ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 Let Variable [ Name=$jacc ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/word-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/word-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/word-jaccard-check-let.ast
index 38c78e1..0ab7fd3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/word-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/word-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-index/inverted-index-complex/word-jaccard-check-multi-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/word-jaccard-check-multi-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/word-jaccard-check-multi-let.ast
index 163f016..6c0320b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/word-jaccard-check-multi-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-complex/word-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-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-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-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.ast
index 62696f8..7055b2d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-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-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-edit-distance-check-idx_01.ast
@@ -93,8 +93,7 @@ RecordConstructor [
       FROM [        FunctionCall Metadata.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
-        AS
-        Variable [ Name=$t2 ]
+        AS Variable [ Name=$t2 ]
       ]
       Let Variable [ Name=$sim ]
         :=
@@ -157,8 +156,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
-  AS
-  Variable [ Name=$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-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.ast
index 2e47442..4f7aebe 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/leftouterjoin-probe-pidx-with-join-jaccard-check-idx_01.ast
@@ -93,8 +93,7 @@ RecordConstructor [
       FROM [        FunctionCall Metadata.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
-        AS
-        Variable [ Name=$t2 ]
+        AS Variable [ Name=$t2 ]
       ]
       Let Variable [ Name=$sim ]
         :=
@@ -157,8 +156,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
-  AS
-  Variable [ Name=$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-index/inverted-index-join/ngram-edit-distance-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-check_01.ast
index 5ba5f32..59b498a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-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-index/inverted-index-join/ngram-edit-distance-contains.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-contains.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-contains.ast
index 37e8adf..73130cd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-contains.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-contains.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-index/inverted-index-join/ngram-edit-distance-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-inline.ast
index 5a6ff28..cf1866b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance-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=$ed ]
   :=

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance_01.ast
index d7ed172..3dc98f2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-edit-distance_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-index/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
index c4feb38..48b4e9a 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-fuzzyeq-edit-distance_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-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
index 4dc9a32..db54c81 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
@@ -51,14 +51,12 @@ 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-index/inverted-index-join/ngram-jaccard-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard-check_01.ast
index b698c0a..22c29a8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard-check_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-index/inverted-index-join/ngram-jaccard-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard-inline.ast
index e516607..baf8a71 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard-inline.ast
@@ -51,14 +51,12 @@ 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-index/inverted-index-join/ngram-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard_01.ast
index 5ce3d57..1a25f2e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ngram-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-index/inverted-index-join/olist-edit-distance-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance-check_01.ast
index c699f9a..d4cc0be 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance-check_01.ast
@@ -48,14 +48,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers2]
   ]
-  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-index/inverted-index-join/olist-edit-distance-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance-inline.ast
index 07980e6..8e765f5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance-inline.ast
@@ -65,14 +65,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  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-index/inverted-index-join/olist-edit-distance_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance_01.ast
index 9a7c3ab..f658772 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-edit-distance_01.ast
@@ -48,14 +48,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers2]
   ]
-  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-index/inverted-index-join/olist-fuzzyeq-edit-distance_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-fuzzyeq-edit-distance_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-fuzzyeq-edit-distance_01.ast
index f441dfd..d33ae9f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-fuzzyeq-edit-distance_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-fuzzyeq-edit-distance_01.ast
@@ -50,14 +50,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers2]
   ]
-  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-index/inverted-index-join/olist-fuzzyeq-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-fuzzyeq-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-fuzzyeq-jaccard_01.ast
index 44af4b1..00bf242 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-fuzzyeq-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-fuzzyeq-jaccard_01.ast
@@ -50,14 +50,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers2]
   ]
-  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-index/inverted-index-join/olist-jaccard-check_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard-check_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard-check_01.ast
index 78179ce..a2f20a5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard-check_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard-check_01.ast
@@ -48,14 +48,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers2]
   ]
-  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-index/inverted-index-join/olist-jaccard-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard-inline.ast
index 481a48f..132d299 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard-inline.ast
@@ -65,14 +65,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  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-index/inverted-index-join/olist-jaccard_01.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard_01.ast
index 4412aa0..1f9ce9e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/olist-jaccard_01.ast
@@ -48,14 +48,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers2]
   ]
-  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-index/inverted-index-join/ulist-fuzzyeq-jaccard_01.ast
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diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-fuzzyeq-jaccard_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-fuzzyeq-jaccard_01.ast
index e394989..da3cc7d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-fuzzyeq-jaccard_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-fuzzyeq-jaccard_01.ast
@@ -50,14 +50,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers2]
   ]
-  AS
-  Variable [ Name=$b ]
+  AS Variable [ Name=$b ]
 ]
 Where
   OperatorExpr [