http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast
index a995990..2f6bafa 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_01.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast
index 0bb3c18..8d6ddaf 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_02.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast
index b838f8a..f4e2eb4 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_03.ast
@@ -24,12 +24,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast
index cb96703..7f55269 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_04.ast
@@ -33,12 +33,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast
index cb96703..7f55269 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_05.ast
@@ -33,12 +33,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast
index 78c5abe..285b671 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-check_inline_03.ast
@@ -32,12 +32,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast
index 73a9b12..ff25932 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance-contains.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast
index 0da1348..9b31d98 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_01.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast
index bf359d3..f9ddbc8 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_02.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast
index f672f4c..cd64087 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_03.ast
@@ -24,12 +24,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast
index 596a0e8..635bfbe 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_04.ast
@@ -33,12 +33,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast
index 596a0e8..635bfbe 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_05.ast
@@ -33,12 +33,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast
index e350538..4dbb9b3 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-edit-distance_inline_03.ast
@@ -29,12 +29,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
index 865b0ce..8ed62b3 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_01.ast
@@ -36,12 +36,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
index 14f1722..4fa7b7d 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_02.ast
@@ -36,12 +36,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
index 01718f2..0e3bf24 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_03.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
index 4bac0fe..d880153 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_04.ast
@@ -35,12 +35,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
index 4bac0fe..d880153 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-edit-distance_05.ast
@@ -35,12 +35,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
index d847ed7..9d5012a 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_01.ast
@@ -37,12 +37,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
index d575cd9..9f9a993 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_02.ast
@@ -37,12 +37,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
index f6529e3..00110f2 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_03.ast
@@ -27,12 +27,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
index 2393e0d..1d2907d 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-fuzzyeq-jaccard_04.ast
@@ -36,12 +36,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast
index dfc5806..da5cdd3 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_01.ast
@@ -35,12 +35,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast
index 17b5d69..4d91b35 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_02.ast
@@ -35,12 +35,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast
index 0d988a9..a87dd15 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_03.ast
@@ -25,12 +25,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast
index 0063692..7b2bbab 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_04.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast
index a7f8c69..cdc30b8 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard-check_inline_03.ast
@@ -33,12 +33,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast
index 2c470d0..60df3d9 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_01.ast
@@ -35,12 +35,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast
index 4eaed02..f838a35 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_02.ast
@@ -35,12 +35,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast
index 85c0135..a10d767 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_03.ast
@@ -25,12 +25,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast
index bfd6fa9..fac9c78 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_04.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast
index 336e8b6..43e144d 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/ngram-jaccard_inline_03.ast
@@ -30,12 +30,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast
index 5b9fd80..a8162cd 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_01.ast
@@ -36,12 +36,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast
index 54dc66e..ed475f3 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_02.ast
@@ -36,12 +36,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast
index c88e567..2b0da51 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_03.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast
index 31a2d5d..5aa2c57 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-fuzzyeq-jaccard_04.ast
@@ -35,12 +35,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast
index 15be700..3c349ee 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check-after-btree-access.ast
@@ -52,12 +52,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast
index c7b47c7..02e8984 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_01.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast
index a62d8da..0fb7d9b 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_02.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast
index 2052511..63f21f7 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_03.ast
@@ -24,12 +24,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast
index cb55ef9..a3044f2 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_04.ast
@@ -33,12 +33,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast
index 7030392..c883f22 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard-check_inline_03.ast
@@ -32,12 +32,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast
index 2cbe046..5da923d 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_01.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast
index ee010a7..714ce10 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_02.ast
@@ -34,12 +34,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast
index c6f2392..46a2f3d 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_03.ast
@@ -24,12 +24,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast
index b35e9db..06628e2 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_04.ast
@@ -33,12 +33,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [CSX]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast
index e7c6029..81e1b45 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/inverted-index-join/word-jaccard_inline_03.ast
@@ -29,12 +29,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
index c86b6fc..589d91a 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
@@ -66,7 +66,7 @@ RecordConstructor [
         )
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
         AS Variable [ Name=$t2 ]
@@ -90,7 +90,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t1 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
index e8b41fb..cc7ccf4 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
@@ -66,7 +66,7 @@ RecordConstructor [
         )
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
         AS Variable [ Name=$t2 ]
@@ -104,7 +104,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t1 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast
index 5217c93..18a9687 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_01.ast
@@ -40,12 +40,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData1]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData2]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast
index 0472b4b..f6cccae 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_02.ast
@@ -40,12 +40,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData1]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData2]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast
index b8f0de2..783875e 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_03.ast
@@ -27,12 +27,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast
index b3a61a3..71ce99f 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_04.ast
@@ -28,12 +28,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData1]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData2]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast
index b3a61a3..71ce99f 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/open-index-enforced/rtree-index-join/spatial-intersect-point_05.ast
@@ -28,12 +28,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData1]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [MyData2]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast
index 5c200bb..1984dbf 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orderby-desc-using-gby.ast
@@ -32,7 +32,7 @@ RecordConstructor [
   (
     LiteralExpr [STRING] [age]
     :
-    FunctionCall Metadata.resolve@-1[
+    FunctionCall asterix.resolve@-1[
       LiteralExpr [STRING] [age]
       Variable [ Name=$name ]
       Variable [ Name=#1 ]
@@ -40,7 +40,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
   AS Variable [ Name=$c ]
@@ -60,7 +60,7 @@ Groupby
 Orderby
   Variable [ Name=$name ]
   DESC
-  FunctionCall Metadata.resolve@-1[
+  FunctionCall asterix.resolve@-1[
     LiteralExpr [STRING] [age]
     Variable [ Name=$name ]
     Variable [ Name=#1 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast
index f2c8872..213d7ef 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-aggreg.ast
@@ -23,7 +23,7 @@ RecordConstructor [
     LiteralExpr [STRING] [ordpercust]
     :
     FunctionCall asterix.count@1[
-      FunctionCall Metadata.resolve@-1[
+      FunctionCall asterix.resolve@-1[
         LiteralExpr [STRING] [o]
         Variable [ Name=$cid ]
         Variable [ Name=#1 ]
@@ -41,7 +41,7 @@ RecordConstructor [
           Field=total
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [o]
           ]
           AS Variable [ Name=$i ]
@@ -60,7 +60,7 @@ RecordConstructor [
           Field=total
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [o]
           ]
           AS Variable [ Name=$i ]
@@ -70,7 +70,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast
index 96a4bc9..27f29ea 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-composite-index-search.ast
@@ -43,7 +43,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast
index dd0c4ea..c54b4ff 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_01.ast
@@ -35,7 +35,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast
index 97b43b2..62c3b98 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive-open_02.ast
@@ -43,7 +43,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast
index 2cc53a8..8061fa1 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_01.ast
@@ -35,7 +35,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast
index 3609c78..5f85c9c 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-conjunctive_02.ast
@@ -43,7 +43,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast
index 9222a7e..f1d0bb3 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search-open.ast
@@ -35,7 +35,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast
index 5f4d438..5669381 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/orders-index-search.ast
@@ -35,7 +35,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast
index bd7c74c..8c3e9b6 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search-open.ast
@@ -35,7 +35,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast
index da4c90b..0d710cc 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/prim-idx-search.ast
@@ -35,7 +35,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast
index 7b5ac60..f2cc44d 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/pull_select_above_eq_join.ast
@@ -41,12 +41,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Users]
   ]
   AS Variable [ Name=$user ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Visitors]
   ]
   AS Variable [ Name=$visitor ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast
index 6bb15c8..59f4343 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push-project-through-group.ast
@@ -28,7 +28,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$paperDBLP ]
@@ -42,7 +42,7 @@ Let Variable [ Name=$matches ]
       Field=title
     ]
     ]
-    FROM [      FunctionCall Metadata.dataset@1[
+    FROM [      FunctionCall asterix.dataset@1[
         LiteralExpr [STRING] [DBLP]
       ]
       AS Variable [ Name=$paper ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast
index 833d67f..9a5b369 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/push_limit.ast
@@ -35,7 +35,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast
index 5e220fd..2ea4576 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q01_pricing_summary_report_nt.ast
@@ -45,7 +45,7 @@ RecordConstructor [
           Field=l_quantity
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [l]
           ]
           AS Variable [ Name=$i ]
@@ -64,7 +64,7 @@ RecordConstructor [
           Field=l_extendedprice
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [l]
           ]
           AS Variable [ Name=$i ]
@@ -94,7 +94,7 @@ RecordConstructor [
           ]
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [l]
           ]
           AS Variable [ Name=$i ]
@@ -133,7 +133,7 @@ RecordConstructor [
           ]
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [l]
           ]
           AS Variable [ Name=$i ]
@@ -152,7 +152,7 @@ RecordConstructor [
           Field=l_quantity
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [l]
           ]
           AS Variable [ Name=$i ]
@@ -171,7 +171,7 @@ RecordConstructor [
           Field=l_extendedprice
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [l]
           ]
           AS Variable [ Name=$i ]
@@ -190,7 +190,7 @@ RecordConstructor [
           Field=l_discount
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [l]
           ]
           AS Variable [ Name=$i ]
@@ -202,7 +202,7 @@ RecordConstructor [
     LiteralExpr [STRING] [count_order]
     :
     FunctionCall asterix.count@1[
-      FunctionCall Metadata.resolve@-1[
+      FunctionCall asterix.resolve@-1[
         LiteralExpr [STRING] [l]
         Variable [ Name=$l_linestatus ]
         Variable [ Name=$l_returnflag ]
@@ -212,7 +212,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [LineItem]
   ]
   AS Variable [ Name=$l ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q03_shipping_priority.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q03_shipping_priority.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q03_shipping_priority.ast
index 35a0f59..0e6b737 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q03_shipping_priority.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q03_shipping_priority.ast
@@ -73,17 +73,17 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
   AS Variable [ Name=$c ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Orders]
   ]
   AS Variable [ Name=$o ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [LineItems]
   ]
   AS Variable [ Name=$l ]
@@ -192,7 +192,7 @@ Let Variable [ Name=$revenue ]
         ]
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [l]
         ]
         AS Variable [ Name=$i ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q05_local_supplier_volume.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q05_local_supplier_volume.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q05_local_supplier_volume.ast
index 6795260..dc30334 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q05_local_supplier_volume.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/q05_local_supplier_volume.ast
@@ -92,7 +92,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
   AS Variable [ Name=$c ]
@@ -142,7 +142,7 @@ FROM [  FunctionCall Metadata.dataset@1[
       )
     ]
     ]
-    FROM [      FunctionCall Metadata.dataset@1[
+    FROM [      FunctionCall asterix.dataset@1[
         LiteralExpr [STRING] [Orders]
       ]
       AS Variable [ Name=$o ]
@@ -192,7 +192,7 @@ FROM [  FunctionCall Metadata.dataset@1[
           )
         ]
         ]
-        FROM [          FunctionCall Metadata.dataset@1[
+        FROM [          FunctionCall asterix.dataset@1[
             LiteralExpr [STRING] [LineItems]
           ]
           AS Variable [ Name=$l ]
@@ -226,7 +226,7 @@ FROM [  FunctionCall Metadata.dataset@1[
               )
             ]
             ]
-            FROM [              FunctionCall Metadata.dataset@1[
+            FROM [              FunctionCall asterix.dataset@1[
                 LiteralExpr [STRING] [Suppliers]
               ]
               AS Variable [ Name=$s ]
@@ -252,12 +252,12 @@ FROM [  FunctionCall Metadata.dataset@1[
                   )
                 ]
                 ]
-                FROM [                  FunctionCall Metadata.dataset@1[
+                FROM [                  FunctionCall asterix.dataset@1[
                     LiteralExpr [STRING] [Nations]
                   ]
                   AS Variable [ Name=$n ]
 ,
-                  FunctionCall Metadata.dataset@1[
+                  FunctionCall asterix.dataset@1[
                     LiteralExpr [STRING] [Regions]
                   ]
                   AS Variable [ Name=$r ]
@@ -413,7 +413,7 @@ Let Variable [ Name=$revenue ]
         ]
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [o1]
         ]
         AS Variable [ Name=$i ]

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