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Posted to commits@asterixdb.apache.org by bu...@apache.org on 2016/04/18 17:48:51 UTC

[26/28] 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/btree-index/btree-secondary-51.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-51.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-51.ast
index 4002159..6fb10fe 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-51.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-51.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-52.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-52.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-52.ast
index f4c2592..43f7299 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-52.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-52.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-53.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-53.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-53.ast
index 6d301c4..bdc08f0 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-53.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-53.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-54.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-54.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-54.ast
index 2c5b71e..c261e9c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-54.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-54.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-55.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-55.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-55.ast
index a9597c2..2bebe8e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-55.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-55.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-56.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-56.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-56.ast
index 206efab..fe35314 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-56.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-56.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-57.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-57.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-57.ast
index f1f64fc..d9c9e69 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-57.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-57.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-58.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-58.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-58.ast
index 40cb76e..8c871da 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-58.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-58.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-59.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-59.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-59.ast
index f2e1cfd..b282cf8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-59.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-59.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-60.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-60.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-60.ast
index eb2ef9d..e70a20d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-60.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-60.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-61.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-61.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-61.ast
index ef77d3d..6c7a193 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-61.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-61.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-62.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-62.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-62.ast
index 88655f2..da34279 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-62.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-62.ast
@@ -15,8 +15,7 @@ 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/btree-index/btree-secondary-63.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-63.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-63.ast
index d858883..983aece 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-63.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/btree-index/btree-secondary-63.ast
@@ -15,8 +15,7 @@ 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/collocated.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/collocated.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/collocated.ast
index 3bdd7a4..22a8fcd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/collocated.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/collocated.ast
@@ -42,14 +42,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Users]
   ]
-  AS
-  Variable [ Name=$user ]
+  AS Variable [ Name=$user ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Visitors]
   ]
-  AS
-  Variable [ Name=$visitor ]
+  AS Variable [ Name=$visitor ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/consolidate-selects-complex.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/consolidate-selects-complex.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/consolidate-selects-complex.ast
index 3082677..85002c0 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/consolidate-selects-complex.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/consolidate-selects-complex.ast
@@ -28,8 +28,7 @@ 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/consolidate-selects-simple.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/consolidate-selects-simple.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/consolidate-selects-simple.ast
index 3b3e1ec..b71d1cf 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/consolidate-selects-simple.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/consolidate-selects-simple.ast
@@ -20,8 +20,7 @@ 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/count-tweets.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/count-tweets.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/count-tweets.ast
index b4dd527..463c2ab 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/count-tweets.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/count-tweets.ast
@@ -30,8 +30,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=#1 ]
-          AS
-          Variable [ Name=#2 ]
+          AS Variable [ Name=#2 ]
         ]
       )
     ]
@@ -41,14 +40,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TwitterData]
   ]
-  AS
-  Variable [ Name=$t ]
+  AS Variable [ Name=$t ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [tokens]
   ]
-  AS
-  Variable [ Name=$token ]
+  AS Variable [ Name=$token ]
 ]
 Let Variable [ Name=$tokens ]
   :=
@@ -62,14 +59,10 @@ Groupby
   Variable [ Name=$tok ]
   :=
   Variable [ Name=$token ]
-  GROUP AS
-  Variable [ Name=#1 ]
+  GROUP AS Variable [ Name=#1 ]
   (
-  Variable [ Name=$tokens ]
-   AS tokens
-  Variable [ Name=$token ]
-   AS token
-  Variable [ Name=$t ]
-   AS t
+    tokens:=Variable [ Name=$tokens ]
+    token:=Variable [ Name=$token ]
+    t:=Variable [ Name=$t ]
   )
 

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/cust_group_no_agg.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/cust_group_no_agg.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/cust_group_no_agg.ast
index 7157aa2..93c98ef 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/cust_group_no_agg.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/cust_group_no_agg.ast
@@ -20,8 +20,7 @@ Variable [ Name=$name ]
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ]
 Groupby
   Variable [ Name=$name ]
@@ -30,10 +29,8 @@ Groupby
     Variable [ Name=$c ]
     Field=c_name
   ]
-  GROUP AS
-  Variable [ Name=#1 ]
+  GROUP AS Variable [ Name=#1 ]
   (
-  Variable [ Name=$c ]
-   AS c
+    c:=Variable [ Name=$c ]
   )
 

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/denorm-cust-order.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/denorm-cust-order.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/denorm-cust-order.ast
index e734a11..28bcc99 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/denorm-cust-order.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/denorm-cust-order.ast
@@ -59,8 +59,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=#1 ]
-          AS
-          Variable [ Name=#2 ]
+          AS Variable [ Name=#2 ]
         ]
       )
     ]
@@ -75,14 +74,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ]
 Where
   OperatorExpr [
@@ -103,12 +100,9 @@ Groupby
     Variable [ Name=$c ]
     Field=cid
   ]
-  GROUP AS
-  Variable [ Name=#1 ]
+  GROUP AS Variable [ Name=#1 ]
   (
-  Variable [ Name=$o ]
-   AS o
-  Variable [ Name=$c ]
-   AS c
+    o:=Variable [ Name=$o ]
+    c:=Variable [ Name=$c ]
   )
 

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/distinct_aggregate.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/distinct_aggregate.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/distinct_aggregate.ast
index 0ef35c0..679e9d5 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/distinct_aggregate.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/distinct_aggregate.ast
@@ -46,8 +46,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=#2 ]
-          AS
-          Variable [ Name=#3 ]
+          AS Variable [ Name=#3 ]
         ]
       )
     ]
@@ -77,8 +76,7 @@ FROM [  (
     FROM [      FunctionCall Metadata.dataset@1[
         LiteralExpr [STRING] [LineItems_q1]
       ]
-      AS
-      Variable [ Name=$l ]
+      AS Variable [ Name=$l ]
     ]
     Where
       OperatorExpr [
@@ -108,16 +106,13 @@ FROM [  (
         Variable [ Name=$l ]
         Field=l_suppkey
       ]
-      GROUP AS
-      Variable [ Name=#1 ]
+      GROUP AS Variable [ Name=#1 ]
       (
-      Variable [ Name=$l ]
-       AS l
+        l:=Variable [ Name=$l ]
       )
 
   )
-  AS
-  Variable [ Name=$g ]
+  AS Variable [ Name=$g ]
 ]
 Groupby
   Variable [ Name=$l_returnflag ]
@@ -132,11 +127,9 @@ Groupby
     Variable [ Name=$g ]
     Field=l_linestatus
   ]
-  GROUP AS
-  Variable [ Name=#2 ]
+  GROUP AS Variable [ Name=#2 ]
   (
-  Variable [ Name=$g ]
-   AS g
+    g:=Variable [ Name=$g ]
   )
 
 Orderby

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/filter-nested.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/filter-nested.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/filter-nested.ast
index 5971ca5..3819ead 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/filter-nested.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/filter-nested.ast
@@ -22,8 +22,7 @@ FieldAccessor [
 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/fj-dblp-csx.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-dblp-csx.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-dblp-csx.ast
index 8eaada8..3ca4a03 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-dblp-csx.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-dblp-csx.ast
@@ -38,26 +38,22 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$paperDBLP ]
+  AS Variable [ Name=$paperDBLP ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [tokensDBLP]
   ]
-  AS
-  Variable [ Name=$prefixTokenDBLP ]
+  AS Variable [ Name=$prefixTokenDBLP ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
-  AS
-  Variable [ Name=$paperCSX ]
+  AS Variable [ Name=$paperCSX ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [tokensCSX]
   ]
-  AS
-  Variable [ Name=$prefixTokenCSX ]
+  AS Variable [ Name=$prefixTokenCSX ]
 ]
 Let Variable [ Name=$idDBLP ]
   :=
@@ -80,8 +76,7 @@ Let Variable [ Name=$tokensDBLP ]
     Variable [ Name=$i ]
     ]
     FROM [      Variable [ Name=$unrankedTokensDBLP ]
-      AS
-      Variable [ Name=$token ]
+      AS Variable [ Name=$token ]
 ,
       (
         SELECT ELEMENT [
@@ -93,14 +88,12 @@ Let Variable [ Name=$tokensDBLP ]
         FROM [          FunctionCall Metadata.dataset@1[
             LiteralExpr [STRING] [DBLP]
           ]
-          AS
-          Variable [ Name=$paper ]
+          AS Variable [ Name=$paper ]
         ]
       )
-      AS
-      Variable [ Name=$tokenRanked ]
-      AT
-      Variable [ Name=$i ]
+      AS Variable [ Name=$tokenRanked ]
+ AT 
+Variable [ Name=$i ]
     ]
     Where
       OperatorExpr [
@@ -134,8 +127,7 @@ Let Variable [ Name=$tokensCSX ]
     Variable [ Name=$i ]
     ]
     FROM [      Variable [ Name=$unrankedTokensCSX ]
-      AS
-      Variable [ Name=$token ]
+      AS Variable [ Name=$token ]
 ,
       (
         SELECT ELEMENT [
@@ -147,14 +139,12 @@ Let Variable [ Name=$tokensCSX ]
         FROM [          FunctionCall Metadata.dataset@1[
             LiteralExpr [STRING] [DBLP]
           ]
-          AS
-          Variable [ Name=$paper ]
+          AS Variable [ Name=$paper ]
         ]
       )
-      AS
-      Variable [ Name=$tokenRanked ]
-      AT
-      Variable [ Name=$i ]
+      AS Variable [ Name=$tokenRanked ]
+ AT 
+Variable [ Name=$i ]
     ]
     Where
       OperatorExpr [
@@ -180,29 +170,18 @@ Groupby
   Variable [ Name=$idCSX ]
   :=
   Variable [ Name=$idCSX ]
-  GROUP AS
-  Variable [ Name=#1 ]
+  GROUP AS Variable [ Name=#1 ]
   (
-  Variable [ Name=$tokensCSX ]
-   AS tokensCSX
-  Variable [ Name=$unrankedTokensCSX ]
-   AS unrankedTokensCSX
-  Variable [ Name=$idCSX ]
-   AS idCSX
-  Variable [ Name=$tokensDBLP ]
-   AS tokensDBLP
-  Variable [ Name=$unrankedTokensDBLP ]
-   AS unrankedTokensDBLP
-  Variable [ Name=$idDBLP ]
-   AS idDBLP
-  Variable [ Name=$prefixTokenCSX ]
-   AS prefixTokenCSX
-  Variable [ Name=$paperCSX ]
-   AS paperCSX
-  Variable [ Name=$prefixTokenDBLP ]
-   AS prefixTokenDBLP
-  Variable [ Name=$paperDBLP ]
-   AS paperDBLP
+    tokensCSX:=Variable [ Name=$tokensCSX ]
+    unrankedTokensCSX:=Variable [ Name=$unrankedTokensCSX ]
+    idCSX:=Variable [ Name=$idCSX ]
+    tokensDBLP:=Variable [ Name=$tokensDBLP ]
+    unrankedTokensDBLP:=Variable [ Name=$unrankedTokensDBLP ]
+    idDBLP:=Variable [ Name=$idDBLP ]
+    prefixTokenCSX:=Variable [ Name=$prefixTokenCSX ]
+    paperCSX:=Variable [ Name=$paperCSX ]
+    prefixTokenDBLP:=Variable [ Name=$prefixTokenDBLP ]
+    paperDBLP:=Variable [ Name=$paperDBLP ]
   )
 
 Orderby

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase1.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase1.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase1.ast
index 665925e..05c7abf 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase1.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase1.ast
@@ -39,8 +39,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Users]
   ]
-  AS
-  Variable [ Name=$user ]
+  AS Variable [ Name=$user ]
 ]
 Let Variable [ Name=$tokens ]
   :=
@@ -52,8 +51,7 @@ Let Variable [ Name=$tokens ]
         Variable [ Name=$user ]
         Field=lottery_numbers
       ]
-      AS
-      Variable [ Name=$lottery_number ]
+      AS Variable [ Name=$lottery_number ]
 ,
       (
         SELECT ELEMENT [
@@ -62,27 +60,22 @@ Let Variable [ Name=$tokens ]
         FROM [          FunctionCall Metadata.dataset@1[
             LiteralExpr [STRING] [Users]
           ]
-          AS
-          Variable [ Name=$user ]
+          AS Variable [ Name=$user ]
 ,
           FieldAccessor [
             Variable [ Name=$user ]
             Field=lottery_numbers
           ]
-          AS
-          Variable [ Name=$lottery_number ]
+          AS Variable [ Name=$lottery_number ]
         ]
         Groupby
           Variable [ Name=$item ]
           :=
           Variable [ Name=$lottery_number ]
-          GROUP AS
-          Variable [ Name=#1 ]
+          GROUP AS Variable [ Name=#1 ]
           (
-          Variable [ Name=$lottery_number ]
-           AS lottery_number
-          Variable [ Name=$user ]
-           AS user
+            lottery_number:=Variable [ Name=$lottery_number ]
+            user:=Variable [ Name=$user ]
           )
 
         Let Variable [ Name=$count ]
@@ -96,8 +89,7 @@ Let Variable [ Name=$tokens ]
               ]
               ]
               FROM [                Variable [ Name=#1 ]
-                AS
-                Variable [ Name=#2 ]
+                AS Variable [ Name=#2 ]
               ]
             )
           ]
@@ -106,10 +98,9 @@ Let Variable [ Name=$tokens ]
           DESC
 
       )
-      AS
-      Variable [ Name=$token ]
-      AT
-      Variable [ Name=$i ]
+      AS Variable [ Name=$token ]
+ AT 
+Variable [ Name=$i ]
     ]
     Where
       OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase2-with-hints.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase2-with-hints.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase2-with-hints.ast
index d5f7086..a0c6feb 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase2-with-hints.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/fj-phase2-with-hints.ast
@@ -31,8 +31,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP_fuzzyjoin_078]
   ]
-  AS
-  Variable [ Name=$paperDBLP ]
+  AS Variable [ Name=$paperDBLP ]
 ]
 Let Variable [ Name=$unrankedTokensDBLP ]
   :=
@@ -49,8 +48,7 @@ Let Variable [ Name=$tokensDBLP ]
     Variable [ Name=$i ]
     ]
     FROM [      Variable [ Name=$unrankedTokensDBLP ]
-      AS
-      Variable [ Name=$token ]
+      AS Variable [ Name=$token ]
 ,
       (
         SELECT ELEMENT [
@@ -59,8 +57,7 @@ Let Variable [ Name=$tokensDBLP ]
         FROM [          FunctionCall Metadata.dataset@1[
             LiteralExpr [STRING] [DBLP_fuzzyjoin_078]
           ]
-          AS
-          Variable [ Name=$paper ]
+          AS Variable [ Name=$paper ]
 ,
           FunctionCall fuzzyjoin_078.counthashed-word-tokens@1[
             FieldAccessor [
@@ -68,24 +65,18 @@ Let Variable [ Name=$tokensDBLP ]
               Field=title
             ]
           ]
-          AS
-          Variable [ Name=$token ]
+          AS Variable [ Name=$token ]
         ]
         Groupby
           Variable [ Name=$tokenGroupped ]
           :=
           Variable [ Name=$token ]
-          GROUP AS
-          Variable [ Name=#1 ]
+          GROUP AS Variable [ Name=#1 ]
           (
-          Variable [ Name=$token ]
-           AS token
-          Variable [ Name=$paper ]
-           AS paper
-          Variable [ Name=$unrankedTokensDBLP ]
-           AS unrankedTokensDBLP
-          Variable [ Name=$paperDBLP ]
-           AS paperDBLP
+            token:=Variable [ Name=$token ]
+            paper:=Variable [ Name=$paper ]
+            unrankedTokensDBLP:=Variable [ Name=$unrankedTokensDBLP ]
+            paperDBLP:=Variable [ Name=$paperDBLP ]
           )
 
         Orderby
@@ -98,8 +89,7 @@ Let Variable [ Name=$tokensDBLP ]
               ]
               ]
               FROM [                Variable [ Name=#1 ]
-                AS
-                Variable [ Name=#2 ]
+                AS Variable [ Name=#2 ]
               ]
             )
           ]
@@ -108,10 +98,9 @@ Let Variable [ Name=$tokensDBLP ]
           ASC
 
       )
-      AS
-      Variable [ Name=$tokenRanked ]
-      AT
-      Variable [ Name=$i ]
+      AS Variable [ Name=$tokenRanked ]
+ AT 
+Variable [ Name=$i ]
     ]
     Where
       OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/hashjoin-with-unnest.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/hashjoin-with-unnest.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/hashjoin-with-unnest.ast
index ce77f96..4befebd 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/hashjoin-with-unnest.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/hashjoin-with-unnest.ast
@@ -26,28 +26,24 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [t1]
   ]
-  AS
-  Variable [ Name=$m ]
+  AS Variable [ Name=$m ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [t2]
   ]
-  AS
-  Variable [ Name=$n ]
+  AS Variable [ Name=$n ]
 ,
   FieldAccessor [
     Variable [ Name=$m ]
     Field=hobbies
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FieldAccessor [
     Variable [ Name=$n ]
     Field=hobbies
   ]
-  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/inlined_q18_large_volume_customer.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inlined_q18_large_volume_customer.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inlined_q18_large_volume_customer.ast
index c1a4237..72a1958 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inlined_q18_large_volume_customer.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inlined_q18_large_volume_customer.ast
@@ -88,8 +88,7 @@ RecordConstructor [
         ]
         ]
         FROM [          Variable [ Name=$l ]
-          AS
-          Variable [ Name=$j ]
+          AS Variable [ Name=$j ]
         ]
       )
     ]
@@ -99,14 +98,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
-  AS
-  Variable [ Name=$c ]
+  AS Variable [ Name=$c ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
-  AS
-  Variable [ Name=$o ]
+  AS Variable [ Name=$o ]
 ,
   (
     SELECT ELEMENT [
@@ -128,8 +125,7 @@ FROM [  FunctionCall Metadata.dataset@1[
             ]
             ]
             FROM [              Variable [ Name=$l ]
-              AS
-              Variable [ Name=$i ]
+              AS Variable [ Name=$i ]
             ]
           )
         ]
@@ -139,8 +135,7 @@ FROM [  FunctionCall Metadata.dataset@1[
     FROM [      FunctionCall Metadata.dataset@1[
         LiteralExpr [STRING] [LineItems]
       ]
-      AS
-      Variable [ Name=$l ]
+      AS Variable [ Name=$l ]
     ]
     Groupby
       Variable [ Name=$l_orderkey ]
@@ -149,26 +144,20 @@ FROM [  FunctionCall Metadata.dataset@1[
         Variable [ Name=$l ]
         Field=l_orderkey
       ]
-      GROUP AS
-      Variable [ Name=#1 ]
+      GROUP AS Variable [ Name=#1 ]
       (
-      Variable [ Name=$l ]
-       AS l
-      Variable [ Name=$o ]
-       AS o
-      Variable [ Name=$c ]
-       AS c
+        l:=Variable [ Name=$l ]
+        o:=Variable [ Name=$o ]
+        c:=Variable [ Name=$c ]
       )
 
   )
-  AS
-  Variable [ Name=$t ]
+  AS Variable [ Name=$t ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [LineItems]
   ]
-  AS
-  Variable [ Name=$l ]
+  AS Variable [ Name=$l ]
 ]
 Where
   OperatorExpr [
@@ -250,17 +239,12 @@ Groupby
     Variable [ Name=$o ]
     Field=o_totalprice
   ]
-  GROUP AS
-  Variable [ Name=#2 ]
+  GROUP AS Variable [ Name=#2 ]
   (
-  Variable [ Name=$l ]
-   AS l
-  Variable [ Name=$t ]
-   AS t
-  Variable [ Name=$o ]
-   AS o
-  Variable [ Name=$c ]
-   AS c
+    l:=Variable [ Name=$l ]
+    t:=Variable [ Name=$t ]
+    o:=Variable [ Name=$o ]
+    c:=Variable [ Name=$c ]
   )
 
 Orderby

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/introhashpartitionmerge.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/introhashpartitionmerge.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/introhashpartitionmerge.ast
index c54a88a..c224055 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/introhashpartitionmerge.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/introhashpartitionmerge.ast
@@ -17,8 +17,7 @@ FieldAccessor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [TOKENSRANKEDADM]
   ]
-  AS
-  Variable [ Name=$token1 ]
+  AS Variable [ Name=$token1 ]
 ,
   (
     SELECT ELEMENT [
@@ -27,8 +26,7 @@ FROM [  FunctionCall Metadata.dataset@1[
     FROM [      FunctionCall Metadata.dataset@1[
         LiteralExpr [STRING] [TOKENSRANKEDADM]
       ]
-      AS
-      Variable [ Name=$tokenRanked ]
+      AS Variable [ Name=$tokenRanked ]
     ]
     Orderby
       FieldAccessor [
@@ -38,8 +36,7 @@ FROM [  FunctionCall Metadata.dataset@1[
       ASC
 
   )
-  AS
-  Variable [ Name=$token2 ]
+  AS Variable [ Name=$token2 ]
 ]
 Where
   OperatorExpr [

http://git-wip-us.apache.org/repos/asf/incubator-asterixdb/blob/1eedb4cb/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-contains-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-contains-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-contains-panic.ast
index 8fb8650..3bb06a1 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-contains-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-contains-panic.ast
@@ -17,8 +17,7 @@ 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/inverted-index-basic/ngram-contains.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-contains.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-contains.ast
index 87e800c..3b23ad3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-contains.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-contains.ast
@@ -17,8 +17,7 @@ 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/inverted-index-basic/ngram-edit-distance-check-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-check-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-check-panic.ast
index 0923370..6e1d778 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-check-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-check-panic.ast
@@ -17,8 +17,7 @@ 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/inverted-index-basic/ngram-edit-distance-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-check.ast
index 719e6dc..f0f26f7 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-check.ast
@@ -17,8 +17,7 @@ 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/inverted-index-basic/ngram-edit-distance-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-panic.ast
index 69b25e7..a6cc261 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance-panic.ast
@@ -17,8 +17,7 @@ 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/inverted-index-basic/ngram-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance.ast
index 563cd79..3497e0b 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-edit-distance.ast
@@ -17,8 +17,7 @@ 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/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
index 2f7113f..2d1b704 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
@@ -19,8 +19,7 @@ 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/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-fuzzyeq-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
index 7293d9f..16c59cc 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
@@ -20,8 +20,7 @@ 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/inverted-index-basic/ngram-jaccard-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-jaccard-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-jaccard-check.ast
index 043ca2d..53f5aea 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-jaccard-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-jaccard-check.ast
@@ -18,8 +18,7 @@ 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/inverted-index-basic/ngram-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-jaccard.ast
index b38a521..77d79d4 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ngram-jaccard.ast
@@ -18,8 +18,7 @@ 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/inverted-index-basic/olist-edit-distance-check-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-check-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-check-panic.ast
index 9a3be27..9bd1307 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-check-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-check-panic.ast
@@ -31,8 +31,7 @@ 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/inverted-index-basic/olist-edit-distance-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-check.ast
index c287438..ef87a0f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-check.ast
@@ -31,8 +31,7 @@ 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/inverted-index-basic/olist-edit-distance-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-panic.ast
index a89ea63..7585c77 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance-panic.ast
@@ -31,8 +31,7 @@ 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/inverted-index-basic/olist-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance.ast
index 2678e6f..996579c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-edit-distance.ast
@@ -31,8 +31,7 @@ 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/inverted-index-basic/olist-fuzzyeq-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-fuzzyeq-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-fuzzyeq-edit-distance.ast
index 60c51d5..1c8e0f2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-fuzzyeq-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-fuzzyeq-edit-distance.ast
@@ -33,8 +33,7 @@ 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/inverted-index-basic/olist-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-fuzzyeq-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-fuzzyeq-jaccard.ast
index 06f21ab..d160b3d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-fuzzyeq-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-fuzzyeq-jaccard.ast
@@ -33,8 +33,7 @@ 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/inverted-index-basic/olist-jaccard-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-jaccard-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-jaccard-check.ast
index 36d3a68..4e9022d 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-jaccard-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-jaccard-check.ast
@@ -31,8 +31,7 @@ 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/inverted-index-basic/olist-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-jaccard.ast
index 62ee708..8080acc 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/olist-jaccard.ast
@@ -31,8 +31,7 @@ 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/inverted-index-basic/ulist-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-fuzzyeq-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-fuzzyeq-jaccard.ast
index c17bafa..9406dbe 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-fuzzyeq-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-fuzzyeq-jaccard.ast
@@ -33,8 +33,7 @@ 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/inverted-index-basic/ulist-jaccard-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-jaccard-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-jaccard-check.ast
index d676a98..85089a3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-jaccard-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-jaccard-check.ast
@@ -31,8 +31,7 @@ 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/inverted-index-basic/ulist-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-jaccard.ast
index 6fe9da2..6c49160 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/ulist-jaccard.ast
@@ -31,8 +31,7 @@ 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/inverted-index-basic/word-contains.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-contains.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-contains.ast
index 20c0e4d..e8599ac 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-contains.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-contains.ast
@@ -17,8 +17,7 @@ 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/inverted-index-basic/word-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-fuzzyeq-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-fuzzyeq-jaccard.ast
index 89251b0..82815c0 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-fuzzyeq-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-fuzzyeq-jaccard.ast
@@ -19,8 +19,7 @@ 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/inverted-index-basic/word-jaccard-check.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-jaccard-check.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-jaccard-check.ast
index 455c444..caf6e58 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-jaccard-check.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-jaccard-check.ast
@@ -17,8 +17,7 @@ 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/inverted-index-basic/word-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-jaccard.ast
index 157c61c..3dc9f3c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-basic/word-jaccard.ast
@@ -17,8 +17,7 @@ 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/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/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast
index 70e1376..74efe7c 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_01.ast
@@ -17,8 +17,7 @@ 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/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/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast
index cf61129..09b0a77 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic-nopanic_02.ast
@@ -17,8 +17,7 @@ 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/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
index fbf5775..2f9485e 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let-panic.ast
@@ -17,8 +17,7 @@ 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/inverted-index-complex/ngram-edit-distance-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let.ast
index 9e5a08e..9d9ea14 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-let.ast
@@ -17,8 +17,7 @@ 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/inverted-index-complex/ngram-edit-distance-check-substring.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-substring.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-substring.ast
index e3f9037..2729744 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-substring.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-substring.ast
@@ -34,8 +34,7 @@ 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/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
index 25105bd..4477fec 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-edit-distance-check-word-tokens.ast
@@ -34,8 +34,7 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$paper ]
+  AS Variable [ Name=$paper ]
 ,
   FunctionCall test.word-tokens@1[
     FieldAccessor [
@@ -43,8 +42,7 @@ 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/inverted-index-complex/ngram-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-jaccard-check-let.ast
index 9c8361a..6619c88 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-jaccard-check-let.ast
@@ -18,8 +18,7 @@ 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/inverted-index-complex/ngram-jaccard-check-multi-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-jaccard-check-multi-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-jaccard-check-multi-let.ast
index d49d0d5..a5802e0 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-jaccard-check-multi-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ngram-jaccard-check-multi-let.ast
@@ -29,8 +29,7 @@ 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/inverted-index-complex/olist-edit-distance-check-let-panic.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-edit-distance-check-let-panic.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-edit-distance-check-let-panic.ast
index 9fc454b..2219ee3 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-edit-distance-check-let-panic.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-edit-distance-check-let-panic.ast
@@ -31,8 +31,7 @@ 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/inverted-index-complex/olist-edit-distance-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-edit-distance-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-edit-distance-check-let.ast
index 16e2f50..3522b17 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-edit-distance-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-edit-distance-check-let.ast
@@ -31,8 +31,7 @@ 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/inverted-index-complex/olist-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-jaccard-check-let.ast
index 3de86ee..25a1bb8 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/olist-jaccard-check-let.ast
@@ -31,8 +31,7 @@ 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/inverted-index-complex/ulist-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ulist-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ulist-jaccard-check-let.ast
index a2edc63..2999bac 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ulist-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/ulist-jaccard-check-let.ast
@@ -31,8 +31,7 @@ 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/inverted-index-complex/word-jaccard-check-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/word-jaccard-check-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/word-jaccard-check-let.ast
index 9aff0cd..39a3809 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/word-jaccard-check-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/word-jaccard-check-let.ast
@@ -17,8 +17,7 @@ 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/inverted-index-complex/word-jaccard-check-multi-let.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/word-jaccard-check-multi-let.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/word-jaccard-check-multi-let.ast
index e67a0d1..65008dc 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/word-jaccard-check-multi-let.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-complex/word-jaccard-check-multi-let.ast
@@ -28,8 +28,7 @@ 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/inverted-index-join-noeqjoin/ngram-edit-distance-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-edit-distance-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-edit-distance-inline.ast
index 6c980e0..1a75711 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-edit-distance-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-edit-distance-inline.ast
@@ -39,14 +39,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [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/inverted-index-join-noeqjoin/ngram-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-edit-distance.ast
index 5c7413e..c514384 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-edit-distance.ast
@@ -44,14 +44,12 @@ 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/inverted-index-join-noeqjoin/ngram-fuzzyeq-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-fuzzyeq-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-fuzzyeq-edit-distance.ast
index 15c0279..545d8a2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-fuzzyeq-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-fuzzyeq-edit-distance.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/inverted-index-join-noeqjoin/ngram-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-fuzzyeq-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-fuzzyeq-jaccard.ast
index f56490c..27cef5f 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-fuzzyeq-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-fuzzyeq-jaccard.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/inverted-index-join-noeqjoin/ngram-jaccard-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-jaccard-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-jaccard-inline.ast
index 7cbe6f0..1996cb4 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-jaccard-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-jaccard-inline.ast
@@ -40,14 +40,12 @@ RecordConstructor [
 FROM [  FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
-  AS
-  Variable [ Name=$a ]
+  AS Variable [ Name=$a ]
 ,
   FunctionCall Metadata.dataset@1[
     LiteralExpr [STRING] [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/inverted-index-join-noeqjoin/ngram-jaccard.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-jaccard.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-jaccard.ast
index 9c1b109..43e0157 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-jaccard.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/ngram-jaccard.ast
@@ -45,14 +45,12 @@ 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/inverted-index-join-noeqjoin/olist-edit-distance-inline.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-edit-distance-inline.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-edit-distance-inline.ast
index 3c1c726..c7a0161 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-edit-distance-inline.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-edit-distance-inline.ast
@@ -53,14 +53,12 @@ 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/inverted-index-join-noeqjoin/olist-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-edit-distance.ast
index 208cd79..809f4f0 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-edit-distance.ast
@@ -49,14 +49,12 @@ 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/inverted-index-join-noeqjoin/olist-fuzzyeq-edit-distance.ast
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-fuzzyeq-edit-distance.ast b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-fuzzyeq-edit-distance.ast
index 30ead54..3ec9ea2 100644
--- a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-fuzzyeq-edit-distance.ast
+++ b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/inverted-index-join-noeqjoin/olist-fuzzyeq-edit-distance.ast
@@ -51,14 +51,12 @@ 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 [