http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard-inline.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard-inline.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard-inline.ast
index e1eba33..5f7041f 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard-inline.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard-inline.ast
@@ -62,12 +62,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard_01.ast
index fca8e85..22ea03a 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/ulist-jaccard_01.ast
@@ -45,12 +45,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Customers]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Customers2]
   ]
   AS Variable [ Name=$b ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast
index 42c94d8..c70eb94 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-fuzzyeq-jaccard_01.ast
@@ -47,12 +47,12 @@ 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/nested-index/inverted-index-join/word-jaccard-check-after-btree-access.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-check-after-btree-access.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-check-after-btree-access.ast
index 8eaaa9b..48fab40 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-check-after-btree-access.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-check-after-btree-access.ast
@@ -64,12 +64,12 @@ 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/nested-index/inverted-index-join/word-jaccard-check_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-check_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-check_01.ast
index c1a2b32..7048346 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-check_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-check_01.ast
@@ -45,12 +45,12 @@ 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/nested-index/inverted-index-join/word-jaccard-inline.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-inline.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-inline.ast
index bf78930..ea0f164 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-inline.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard-inline.ast
@@ -47,12 +47,12 @@ 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/nested-index/inverted-index-join/word-jaccard_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard_01.ast
index c883e13..905319f 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/inverted-index-join/word-jaccard_01.ast
@@ -45,12 +45,12 @@ 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/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
index 45f442f..42380c0 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_01.ast
@@ -84,7 +84,7 @@ RecordConstructor [
         )
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
         AS Variable [ Name=$t2 ]
@@ -111,7 +111,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t1 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
index 6958ec3..f353fc3 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/leftouterjoin-probe-pidx-with-join-rtree-sidx_02.ast
@@ -84,7 +84,7 @@ RecordConstructor [
         )
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
         AS Variable [ Name=$t2 ]
@@ -134,7 +134,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t1 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_01.ast
index 50b50a6..eacc2a1 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_01.ast
@@ -34,12 +34,12 @@ 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/nested-index/rtree-index-join/spatial-intersect-point_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_02.ast
index 9e68e92..df43291 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_02.ast
@@ -34,12 +34,12 @@ 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/nested-index/rtree-index-join/spatial-intersect-point_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_03.ast
index 9f2f3e5..5fe1c64 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-index/rtree-index-join/spatial-intersect-point_03.ast
@@ -33,12 +33,12 @@ 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/nested-open-index/btree-index-join/disjunction-to-join.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/disjunction-to-join.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/disjunction-to-join.ast
index 3055c2d..47dd32a 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/disjunction-to-join.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/disjunction-to-join.ast
@@ -16,7 +16,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$x ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TestSet]
   ]
   AS Variable [ Name=$x ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.ast
index 4f36425..4c6e502 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_1.ast
@@ -83,7 +83,7 @@ RecordConstructor [
         )
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
         AS Variable [ Name=$t2 ]
@@ -120,7 +120,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t1 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.ast
index 15ba229..5850f23 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_01_2.ast
@@ -82,7 +82,7 @@ RecordConstructor [
         )
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
         AS Variable [ Name=$t2 ]
@@ -119,7 +119,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t1 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.ast
index 5718c4b..20f39bd 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_1.ast
@@ -83,7 +83,7 @@ RecordConstructor [
         )
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
         AS Variable [ Name=$t2 ]
@@ -140,7 +140,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t1 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.ast
index 50a1282..578a0a1 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/leftouterjoin-probe-pidx-with-join-btree-sidx_02_2.ast
@@ -82,7 +82,7 @@ RecordConstructor [
         )
       ]
       ]
-      FROM [        FunctionCall Metadata.dataset@1[
+      FROM [        FunctionCall asterix.dataset@1[
           LiteralExpr [STRING] [TweetMessages]
         ]
         AS Variable [ Name=$t2 ]
@@ -139,7 +139,7 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [TweetMessages]
   ]
   AS Variable [ Name=$t1 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_01.ast
index 48f2b7b..e36e3d8 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_01.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_02.ast
index 4b7ffc5..263fe69 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_02.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_03.ast
index 75b8db3..556245e 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-join_03.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_01.ast
index d56d96a..3251eb9 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_01.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_02.ast
index 0177ea7..33b62fc 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_02.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_03.ast
index 9ff02e1..d1ad335 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_03.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_04.ast
index 140fd9e..e5e5ede 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_04.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_05.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_05.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_05.ast
index 83a2300..bae97e0 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_05.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_05.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_06.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_06.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_06.ast
index c2f61b6..7b4a13e 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_06.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-composite-key-prefix-join_06.ast
@@ -26,12 +26,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp1 ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [Names]
   ]
   AS Variable [ Name=$emp2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multiindex.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multiindex.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multiindex.ast
index 7542c35..539f40c 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multiindex.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multiindex.ast
@@ -92,12 +92,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [FacebookUsers]
   ]
   AS Variable [ Name=$user ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [FacebookMessages]
   ]
   AS Variable [ Name=$message ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multipred.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multipred.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multipred.ast
index b5fcf3a..792dd39 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multipred.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join-multipred.ast
@@ -44,12 +44,12 @@ 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/nested-open-index/btree-index-join/secondary-equi-join_01.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_01.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_01.ast
index 3bac0fc..d117639 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_01.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_01.ast
@@ -44,12 +44,12 @@ 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/nested-open-index/btree-index-join/secondary-equi-join_02.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_02.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_02.ast
index 1f68a9c..52db2ae 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_02.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_02.ast
@@ -44,12 +44,12 @@ 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/nested-open-index/btree-index-join/secondary-equi-join_03.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_03.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_03.ast
index 30739ca..71f0566 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_03.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_03.ast
@@ -43,12 +43,12 @@ 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/nested-open-index/btree-index-join/secondary-equi-join_04.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_04.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_04.ast
index 7dd5c8b..7ad29ff 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_04.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_04.ast
@@ -29,12 +29,12 @@ RecordConstructor [
   )
 ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a ]
 ,
-  FunctionCall Metadata.dataset@1[
+  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$a2 ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_05.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_05.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_05.ast
index 38bbdb5..119bcdd 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_05.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index-join/secondary-equi-join_05.ast
@@ -43,12 +43,12 @@ 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/nested-open-index/btree-index/btree-secondary-33.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-33.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-33.ast
index 11db30e..6fe409a 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-33.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-33.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-34.ast
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diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-34.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-34.ast
index d35819c..d713e3e 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-34.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-34.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-35.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-35.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-35.ast
index 108b1cb..36585a1 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-35.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-35.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-36.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-36.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-36.ast
index 0cade11..ec925fa 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-36.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-36.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-37.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-37.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-37.ast
index 3649104..bd0f788 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-37.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-37.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-38.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-38.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-38.ast
index 2201b8c..a7c9d31 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-38.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-38.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-39.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-39.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-39.ast
index 1f4a88c..1ea13a9 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-39.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-39.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-40.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-40.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-40.ast
index 903b754..9e08bf5 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-40.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-40.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-41.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-41.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-41.ast
index 86feaf4..88fee61 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-41.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-41.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-42.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-42.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-42.ast
index ef94a6f..73e7d85 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-42.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-42.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-43.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-43.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-43.ast
index d4a7555..920cbc4 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-43.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-43.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-44.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-44.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-44.ast
index ce07caf..84a9e4b 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-44.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-44.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-45.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-45.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-45.ast
index 225bf81..06e5dde 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-45.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-45.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-46.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-46.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-46.ast
index d6dde70..bf628c2 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-46.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-46.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-47.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-47.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-47.ast
index 80accb3..b6e8e1a 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-47.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-47.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-48.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-48.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-48.ast
index 5db107b..bd25bae 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-48.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-48.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-49.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-49.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-49.ast
index d1a6277..2475787 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-49.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-49.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-50.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-50.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-50.ast
index ba74592..7bd6b2b 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-50.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-50.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-51.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-51.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-51.ast
index fb67ea6..befdc77 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-51.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-51.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-52.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-52.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-52.ast
index 453342c..886b550 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-52.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-52.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-53.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-53.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-53.ast
index 65ad8b2..3aac5db 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-53.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-53.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-54.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-54.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-54.ast
index 94ae299..9cae370 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-54.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-54.ast
@@ -16,7 +16,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-55.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-55.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-55.ast
index cc20882..b7c0451 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-55.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-55.ast
@@ -16,7 +16,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-56.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-56.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-56.ast
index b1368f1..246df32 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-56.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-56.ast
@@ -16,7 +16,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-57.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-57.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-57.ast
index 486d03e..202baeb 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-57.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-57.ast
@@ -16,7 +16,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-58.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-58.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-58.ast
index 38e37da..6404d35 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-58.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-58.ast
@@ -16,7 +16,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-59.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-59.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-59.ast
index 82962fd..48d8408 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-59.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-59.ast
@@ -16,7 +16,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-60.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-60.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-60.ast
index 2006e34..0bc9703 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-60.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-60.ast
@@ -16,7 +16,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-61.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-61.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-61.ast
index 7f11abe..bce7a46 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-61.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-61.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-62.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-62.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-62.ast
index e8f76d8..d7bee8c 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-62.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-62.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-63.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-63.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-63.ast
index c1b71fc..65421f5 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-63.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/btree-index/btree-secondary-63.ast
@@ -15,7 +15,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$emp ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [testdst]
   ]
   AS Variable [ Name=$emp ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains-panic.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains-panic.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains-panic.ast
index 3a05c3a..0aeb858 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains-panic.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains-panic.ast
@@ -18,7 +18,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains.ast
index ca99934..ddd8692 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-contains.ast
@@ -18,7 +18,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check-panic.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check-panic.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check-panic.ast
index 17abb95..342f655 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check-panic.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check-panic.ast
@@ -18,7 +18,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check.ast
index 20f6090..bd5f39f 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-check.ast
@@ -18,7 +18,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-panic.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-panic.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-panic.ast
index 0d245d2..ec970fa 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-panic.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance-panic.ast
@@ -18,7 +18,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance.ast
index e85c8a1..08e9b3e 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-edit-distance.ast
@@ -18,7 +18,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
index 5731795..09473e2 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-edit-distance.ast
@@ -20,7 +20,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
index 840a28a..7d91d4c 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-fuzzyeq-jaccard.ast
@@ -21,7 +21,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard-check.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard-check.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard-check.ast
index c94a207..e4215c8 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard-check.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard-check.ast
@@ -19,7 +19,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard.ast
index 7645cdd..5077ad4 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/ngram-jaccard.ast
@@ -19,7 +19,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-contains.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-contains.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-contains.ast
index dc2ad53..0cf5f6f 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-contains.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-contains.ast
@@ -18,7 +18,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-fuzzyeq-jaccard.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-fuzzyeq-jaccard.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-fuzzyeq-jaccard.ast
index 1298c33..be845fe 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-fuzzyeq-jaccard.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-fuzzyeq-jaccard.ast
@@ -20,7 +20,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

http://git-wip-us.apache.org/repos/asf/asterixdb/blob/7c53fcf4/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard-check.ast
----------------------------------------------------------------------
diff --git 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard-check.ast
 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard-check.ast
index 5657988..06a9a7f 100644
--- 
a/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard-check.ast
+++ 
b/asterixdb/asterix-app/src/test/resources/optimizerts/results_parser_sqlpp/nested-open-index/inverted-index-basic/word-jaccard-check.ast
@@ -18,7 +18,7 @@ Query:
 SELECT ELEMENT [
 Variable [ Name=$o ]
 ]
-FROM [  FunctionCall Metadata.dataset@1[
+FROM [  FunctionCall asterix.dataset@1[
     LiteralExpr [STRING] [DBLP]
   ]
   AS Variable [ Name=$o ]

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