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Posted to commits@tajo.apache.org by ji...@apache.org on 2015/05/27 13:17:03 UTC

[06/13] tajo git commit: TAJO-1553: Improve broadcast join planning. (jihoon)

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan
index 483457a..a719990 100644
--- a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan
+++ b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Hash.plan
@@ -36,86 +36,57 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000007)
 |-eb_0000000000000_0000_000007
    |-eb_0000000000000_0000_000006
       |-eb_0000000000000_0000_000005
-         |-eb_0000000000000_0000_000004
-         |-eb_0000000000000_0000_000003
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
-4: eb_0000000000000_0000_000006
-5: eb_0000000000000_0000_000007
+1: eb_0000000000000_0000_000005
+2: eb_0000000000000_0000_000006
+3: eb_0000000000000_0000_000007
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000005 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t.n_regionkey (INT4), num=32)
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.region.r_name (TEXT), s1 (TEXT), num=32)
 
 [Enforcers]
  0: type=Broadcast, tables=default.supplier
+ 1: type=Broadcast, tables=default.region
 
-TABLE_SUBQUERY(5) as default.t
-  => Targets: CASE WHEN default.t.s_name (TEXT) IS NULL THEN N/O ELSE default.t.s_name (TEXT) END as s1, default.t.n_regionkey (INT4)
-  => out schema: {(2) s1 (TEXT), default.t.n_regionkey (INT4)}
-  => in  schema: {(11) default.t.n_comment (TEXT), default.t.n_name (TEXT), default.t.n_nationkey (INT4), default.t.n_regionkey (INT4), default.t.s_acctbal (FLOAT8), default.t.s_address (TEXT), default.t.s_comment (TEXT), default.t.s_name (TEXT), default.t.s_nationkey (INT4), default.t.s_phone (TEXT), default.t.s_suppkey (INT4)}
-   PROJECTION(4)
-     => Targets: default.nation.n_nationkey (INT4), default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.nation.n_comment (TEXT), default.supplier.s_suppkey (INT4), default.supplier.s_name (TEXT), default.supplier.s_address (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_acctbal (FLOAT8), default.supplier.s_comment (TEXT)
-     => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-     => in  schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-      JOIN(10)(LEFT_OUTER)
-        => Join Cond: default.supplier.s_nationkey (INT4) = default.nation.n_nationkey (INT4)
-        => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
-        => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-        => in schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-         SCAN(2) on default.supplier
-           => target list: default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
-           => out schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-           => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-         SCAN(1) on default.nation
-           => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
-           => out schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
-           => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.region.r_regionkey (INT4), num=32)
-
-SCAN(0) on default.region
-  => target list: default.region.r_name (TEXT), default.region.r_regionkey (INT4)
-  => out schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-  => in schema: {(3) default.region.r_comment (TEXT), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
-=======================================================
-
-[Incoming]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t.n_regionkey (INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.region.r_regionkey (INT4), num=32)
-
-[Outgoing]
-[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.region.r_name (TEXT), s1 (TEXT), num=32)
-
-SORT(15)
+SORT(17)
   => Sort Keys: default.region.r_name (TEXT) (asc),s1 (TEXT) (asc)
    JOIN(11)(INNER)
      => Join Cond: default.t.n_regionkey (INT4) = default.region.r_regionkey (INT4)
      => target list: default.region.r_name (TEXT), s1 (TEXT)
      => out schema: {(2) default.region.r_name (TEXT), s1 (TEXT)}
      => in schema: {(4) default.region.r_name (TEXT), default.region.r_regionkey (INT4), default.t.n_regionkey (INT4), s1 (TEXT)}
-      SCAN(14) on eb_0000000000000_0000_000004
+      SCAN(0) on default.region
+        => target list: default.region.r_name (TEXT), default.region.r_regionkey (INT4)
         => out schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-        => in schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-      SCAN(13) on eb_0000000000000_0000_000003
+        => in schema: {(3) default.region.r_comment (TEXT), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+      TABLE_SUBQUERY(5) as default.t
+        => Targets: CASE WHEN default.t.s_name (TEXT) IS NULL THEN N/O ELSE default.t.s_name (TEXT) END as s1, default.t.n_regionkey (INT4)
         => out schema: {(2) s1 (TEXT), default.t.n_regionkey (INT4)}
-        => in schema: {(2) s1 (TEXT), default.t.n_regionkey (INT4)}
+        => in  schema: {(11) default.t.n_comment (TEXT), default.t.n_name (TEXT), default.t.n_nationkey (INT4), default.t.n_regionkey (INT4), default.t.s_acctbal (FLOAT8), default.t.s_address (TEXT), default.t.s_comment (TEXT), default.t.s_name (TEXT), default.t.s_nationkey (INT4), default.t.s_phone (TEXT), default.t.s_suppkey (INT4)}
+         PROJECTION(4)
+           => Targets: default.nation.n_nationkey (INT4), default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.nation.n_comment (TEXT), default.supplier.s_suppkey (INT4), default.supplier.s_name (TEXT), default.supplier.s_address (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_acctbal (FLOAT8), default.supplier.s_comment (TEXT)
+           => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+           => in  schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+            JOIN(10)(LEFT_OUTER)
+              => Join Cond: default.supplier.s_nationkey (INT4) = default.nation.n_nationkey (INT4)
+              => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
+              => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+              => in schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+               SCAN(2) on default.supplier
+                 => target list: default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
+                 => out schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+                 => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+               SCAN(1) on default.nation
+                 => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
+                 => out schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+                 => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [ROOT]
@@ -129,7 +100,7 @@ Block Id: eb_0000000000000_0000_000006 [ROOT]
 
 SORT(7)
   => Sort Keys: default.region.r_name (TEXT) (asc),s1 (TEXT) (asc)
-   SCAN(16) on eb_0000000000000_0000_000005
+   SCAN(18) on eb_0000000000000_0000_000005
      => out schema: {(2) default.region.r_name (TEXT), s1 (TEXT)}
      => in schema: {(2) default.region.r_name (TEXT), s1 (TEXT)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan
index 483457a..a719990 100644
--- a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan
+++ b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testComplexJoinsWithCaseWhen2.Sort.plan
@@ -36,86 +36,57 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000007)
 |-eb_0000000000000_0000_000007
    |-eb_0000000000000_0000_000006
       |-eb_0000000000000_0000_000005
-         |-eb_0000000000000_0000_000004
-         |-eb_0000000000000_0000_000003
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
-4: eb_0000000000000_0000_000006
-5: eb_0000000000000_0000_000007
+1: eb_0000000000000_0000_000005
+2: eb_0000000000000_0000_000006
+3: eb_0000000000000_0000_000007
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000005 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t.n_regionkey (INT4), num=32)
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.region.r_name (TEXT), s1 (TEXT), num=32)
 
 [Enforcers]
  0: type=Broadcast, tables=default.supplier
+ 1: type=Broadcast, tables=default.region
 
-TABLE_SUBQUERY(5) as default.t
-  => Targets: CASE WHEN default.t.s_name (TEXT) IS NULL THEN N/O ELSE default.t.s_name (TEXT) END as s1, default.t.n_regionkey (INT4)
-  => out schema: {(2) s1 (TEXT), default.t.n_regionkey (INT4)}
-  => in  schema: {(11) default.t.n_comment (TEXT), default.t.n_name (TEXT), default.t.n_nationkey (INT4), default.t.n_regionkey (INT4), default.t.s_acctbal (FLOAT8), default.t.s_address (TEXT), default.t.s_comment (TEXT), default.t.s_name (TEXT), default.t.s_nationkey (INT4), default.t.s_phone (TEXT), default.t.s_suppkey (INT4)}
-   PROJECTION(4)
-     => Targets: default.nation.n_nationkey (INT4), default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.nation.n_comment (TEXT), default.supplier.s_suppkey (INT4), default.supplier.s_name (TEXT), default.supplier.s_address (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_acctbal (FLOAT8), default.supplier.s_comment (TEXT)
-     => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-     => in  schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-      JOIN(10)(LEFT_OUTER)
-        => Join Cond: default.supplier.s_nationkey (INT4) = default.nation.n_nationkey (INT4)
-        => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
-        => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-        => in schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-         SCAN(2) on default.supplier
-           => target list: default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
-           => out schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-           => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
-         SCAN(1) on default.nation
-           => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
-           => out schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
-           => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.region.r_regionkey (INT4), num=32)
-
-SCAN(0) on default.region
-  => target list: default.region.r_name (TEXT), default.region.r_regionkey (INT4)
-  => out schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-  => in schema: {(3) default.region.r_comment (TEXT), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
-=======================================================
-
-[Incoming]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t.n_regionkey (INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.region.r_regionkey (INT4), num=32)
-
-[Outgoing]
-[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.region.r_name (TEXT), s1 (TEXT), num=32)
-
-SORT(15)
+SORT(17)
   => Sort Keys: default.region.r_name (TEXT) (asc),s1 (TEXT) (asc)
    JOIN(11)(INNER)
      => Join Cond: default.t.n_regionkey (INT4) = default.region.r_regionkey (INT4)
      => target list: default.region.r_name (TEXT), s1 (TEXT)
      => out schema: {(2) default.region.r_name (TEXT), s1 (TEXT)}
      => in schema: {(4) default.region.r_name (TEXT), default.region.r_regionkey (INT4), default.t.n_regionkey (INT4), s1 (TEXT)}
-      SCAN(14) on eb_0000000000000_0000_000004
+      SCAN(0) on default.region
+        => target list: default.region.r_name (TEXT), default.region.r_regionkey (INT4)
         => out schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-        => in schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
-      SCAN(13) on eb_0000000000000_0000_000003
+        => in schema: {(3) default.region.r_comment (TEXT), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+      TABLE_SUBQUERY(5) as default.t
+        => Targets: CASE WHEN default.t.s_name (TEXT) IS NULL THEN N/O ELSE default.t.s_name (TEXT) END as s1, default.t.n_regionkey (INT4)
         => out schema: {(2) s1 (TEXT), default.t.n_regionkey (INT4)}
-        => in schema: {(2) s1 (TEXT), default.t.n_regionkey (INT4)}
+        => in  schema: {(11) default.t.n_comment (TEXT), default.t.n_name (TEXT), default.t.n_nationkey (INT4), default.t.n_regionkey (INT4), default.t.s_acctbal (FLOAT8), default.t.s_address (TEXT), default.t.s_comment (TEXT), default.t.s_name (TEXT), default.t.s_nationkey (INT4), default.t.s_phone (TEXT), default.t.s_suppkey (INT4)}
+         PROJECTION(4)
+           => Targets: default.nation.n_nationkey (INT4), default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.nation.n_comment (TEXT), default.supplier.s_suppkey (INT4), default.supplier.s_name (TEXT), default.supplier.s_address (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_acctbal (FLOAT8), default.supplier.s_comment (TEXT)
+           => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+           => in  schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+            JOIN(10)(LEFT_OUTER)
+              => Join Cond: default.supplier.s_nationkey (INT4) = default.nation.n_nationkey (INT4)
+              => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
+              => out schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+              => in schema: {(11) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4), default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+               SCAN(2) on default.supplier
+                 => target list: default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)
+                 => out schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+                 => in schema: {(7) default.supplier.s_acctbal (FLOAT8), default.supplier.s_address (TEXT), default.supplier.s_comment (TEXT), default.supplier.s_name (TEXT), default.supplier.s_nationkey (INT4), default.supplier.s_phone (TEXT), default.supplier.s_suppkey (INT4)}
+               SCAN(1) on default.nation
+                 => target list: default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)
+                 => out schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+                 => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [ROOT]
@@ -129,7 +100,7 @@ Block Id: eb_0000000000000_0000_000006 [ROOT]
 
 SORT(7)
   => Sort Keys: default.region.r_name (TEXT) (asc),s1 (TEXT) (asc)
-   SCAN(16) on eb_0000000000000_0000_000005
+   SCAN(18) on eb_0000000000000_0000_000005
      => out schema: {(2) default.region.r_name (TEXT), s1 (TEXT)}
      => in schema: {(2) default.region.r_name (TEXT), s1 (TEXT)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan
index 9721e73..1d5762f 100644
--- a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan
+++ b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Hash.plan
@@ -26,25 +26,24 @@ JOIN(8)(LEFT_OUTER)
 explain
 -------------------------------
 -------------------------------------------------------------------------------
-Execution Block Graph (TERMINAL - eb_0000000000000_0000_000004)
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
-|-eb_0000000000000_0000_000004
-   |-eb_0000000000000_0000_000003
+|-eb_0000000000000_0000_000006
+   |-eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
+1: eb_0000000000000_0000_000005
+2: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [ROOT]
+Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
 [Enforcers]
  0: type=Broadcast, tables=default.b
- 1: type=Broadcast, tables=default.a
- 2: type=Broadcast, tables=default.c
+ 1: type=Broadcast, tables=default.c
 
 JOIN(8)(LEFT_OUTER)
   => Join Cond: default.a.l_orderkey (INT4) = default.c.c_custkey (INT4)
@@ -71,5 +70,5 @@ JOIN(8)(LEFT_OUTER)
         => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
 
 =======================================================
-Block Id: eb_0000000000000_0000_000004 [TERMINAL]
+Block Id: eb_0000000000000_0000_000006 [TERMINAL]
 =======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan
index 9721e73..1d5762f 100644
--- a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan
+++ b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testInnerAndOuterWithEmpty.1.Sort.plan
@@ -26,25 +26,24 @@ JOIN(8)(LEFT_OUTER)
 explain
 -------------------------------
 -------------------------------------------------------------------------------
-Execution Block Graph (TERMINAL - eb_0000000000000_0000_000004)
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
-|-eb_0000000000000_0000_000004
-   |-eb_0000000000000_0000_000003
+|-eb_0000000000000_0000_000006
+   |-eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
+1: eb_0000000000000_0000_000005
+2: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [ROOT]
+Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
 [Enforcers]
  0: type=Broadcast, tables=default.b
- 1: type=Broadcast, tables=default.a
- 2: type=Broadcast, tables=default.c
+ 1: type=Broadcast, tables=default.c
 
 JOIN(8)(LEFT_OUTER)
   => Join Cond: default.a.l_orderkey (INT4) = default.c.c_custkey (INT4)
@@ -71,5 +70,5 @@ JOIN(8)(LEFT_OUTER)
         => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
 
 =======================================================
-Block Id: eb_0000000000000_0000_000004 [TERMINAL]
+Block Id: eb_0000000000000_0000_000006 [TERMINAL]
 =======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan
index b2021fc..2c990f8 100644
--- a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan
+++ b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Hash.plan
@@ -33,107 +33,51 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
-      |-eb_0000000000000_0000_000004
-      |-eb_0000000000000_0000_000003
-         |-eb_0000000000000_0000_000002
-         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000001
-2: eb_0000000000000_0000_000002
-3: eb_0000000000000_0000_000003
-4: eb_0000000000000_0000_000004
-5: eb_0000000000000_0000_000005
-6: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000005
+2: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000001 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
-
-SCAN(0) on default.customer as c
-  => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)
-  => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
-  => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000002 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.n.n_nationkey (INT4), num=32)
-
-TABLE_SUBQUERY(3) as default.n
-  => Targets: default.n.n_nationkey (INT4)
-  => out schema: {(1) default.n.n_nationkey (INT4)}
-  => in  schema: {(1) default.n.n_nationkey (INT4)}
-   PROJECTION(2)
-     => Targets: default.nation.n_nationkey (INT4)
-     => out schema: {(1) default.nation.n_nationkey (INT4)}
-     => in  schema: {(1) default.nation.n_nationkey (INT4)}
-      SCAN(1) on default.nation
-        => target list: default.nation.n_nationkey (INT4)
-        => out schema: {(1) default.nation.n_nationkey (INT4)}
-        => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
-=======================================================
-
-[Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.n.n_nationkey (INT4), num=32)
-
-[Outgoing]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
-
-JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.n.n_nationkey (INT4) = default.c.c_custkey (INT4)
-  => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)
-  => out schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
-  => in schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
-   SCAN(13) on eb_0000000000000_0000_000002
-     => out schema: {(1) default.n.n_nationkey (INT4)}
-     => in schema: {(1) default.n.n_nationkey (INT4)}
-   SCAN(12) on eb_0000000000000_0000_000001
-     => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
-     => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.r.r_regionkey (INT4), num=32)
-
-SCAN(5) on default.region as r
-  => target list: default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)
-  => out schema: {(3) default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
-  => in schema: {(3) default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
-
-=======================================================
 Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
-[Incoming]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.r.r_regionkey (INT4), num=32)
+[Enforcers]
+ 0: type=Broadcast, tables=default.c
+ 1: type=Broadcast, tables=default.r
 
 JOIN(10)(INNER)
   => Join Cond: default.r.r_regionkey (INT4) = default.c.c_custkey (INT4)
   => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4), default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)
   => out schema: {(12) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4), default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
   => in schema: {(12) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4), default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
-   SCAN(15) on eb_0000000000000_0000_000004
+   SCAN(5) on default.region as r
+     => target list: default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)
      => out schema: {(3) default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
      => in schema: {(3) default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
-   SCAN(14) on eb_0000000000000_0000_000003
+   JOIN(9)(RIGHT_OUTER)
+     => Join Cond: default.n.n_nationkey (INT4) = default.c.c_custkey (INT4)
+     => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)
      => out schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
      => in schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
+      TABLE_SUBQUERY(3) as default.n
+        => Targets: default.n.n_nationkey (INT4)
+        => out schema: {(1) default.n.n_nationkey (INT4)}
+        => in  schema: {(1) default.n.n_nationkey (INT4)}
+         PROJECTION(2)
+           => Targets: default.nation.n_nationkey (INT4)
+           => out schema: {(1) default.nation.n_nationkey (INT4)}
+           => in  schema: {(1) default.nation.n_nationkey (INT4)}
+            SCAN(1) on default.nation
+              => target list: default.nation.n_nationkey (INT4)
+              => out schema: {(1) default.nation.n_nationkey (INT4)}
+              => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+      SCAN(0) on default.customer as c
+        => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)
+        => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
+        => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan
index b2021fc..2c990f8 100644
--- a/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan
+++ b/tajo-core/src/test/resources/results/TestMultipleJoinTypes/testJoinWithMultipleJoinTypes.Sort.plan
@@ -33,107 +33,51 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
-      |-eb_0000000000000_0000_000004
-      |-eb_0000000000000_0000_000003
-         |-eb_0000000000000_0000_000002
-         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000001
-2: eb_0000000000000_0000_000002
-3: eb_0000000000000_0000_000003
-4: eb_0000000000000_0000_000004
-5: eb_0000000000000_0000_000005
-6: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000005
+2: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000001 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
-
-SCAN(0) on default.customer as c
-  => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)
-  => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
-  => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000002 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.n.n_nationkey (INT4), num=32)
-
-TABLE_SUBQUERY(3) as default.n
-  => Targets: default.n.n_nationkey (INT4)
-  => out schema: {(1) default.n.n_nationkey (INT4)}
-  => in  schema: {(1) default.n.n_nationkey (INT4)}
-   PROJECTION(2)
-     => Targets: default.nation.n_nationkey (INT4)
-     => out schema: {(1) default.nation.n_nationkey (INT4)}
-     => in  schema: {(1) default.nation.n_nationkey (INT4)}
-      SCAN(1) on default.nation
-        => target list: default.nation.n_nationkey (INT4)
-        => out schema: {(1) default.nation.n_nationkey (INT4)}
-        => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
-=======================================================
-
-[Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.n.n_nationkey (INT4), num=32)
-
-[Outgoing]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
-
-JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.n.n_nationkey (INT4) = default.c.c_custkey (INT4)
-  => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)
-  => out schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
-  => in schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
-   SCAN(13) on eb_0000000000000_0000_000002
-     => out schema: {(1) default.n.n_nationkey (INT4)}
-     => in schema: {(1) default.n.n_nationkey (INT4)}
-   SCAN(12) on eb_0000000000000_0000_000001
-     => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
-     => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.r.r_regionkey (INT4), num=32)
-
-SCAN(5) on default.region as r
-  => target list: default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)
-  => out schema: {(3) default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
-  => in schema: {(3) default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
-
-=======================================================
 Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
-[Incoming]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.c.c_custkey (INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.r.r_regionkey (INT4), num=32)
+[Enforcers]
+ 0: type=Broadcast, tables=default.c
+ 1: type=Broadcast, tables=default.r
 
 JOIN(10)(INNER)
   => Join Cond: default.r.r_regionkey (INT4) = default.c.c_custkey (INT4)
   => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4), default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)
   => out schema: {(12) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4), default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
   => in schema: {(12) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4), default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
-   SCAN(15) on eb_0000000000000_0000_000004
+   SCAN(5) on default.region as r
+     => target list: default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)
      => out schema: {(3) default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
      => in schema: {(3) default.r.r_comment (TEXT), default.r.r_name (TEXT), default.r.r_regionkey (INT4)}
-   SCAN(14) on eb_0000000000000_0000_000003
+   JOIN(9)(RIGHT_OUTER)
+     => Join Cond: default.n.n_nationkey (INT4) = default.c.c_custkey (INT4)
+     => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)
      => out schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
      => in schema: {(9) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT), default.n.n_nationkey (INT4)}
+      TABLE_SUBQUERY(3) as default.n
+        => Targets: default.n.n_nationkey (INT4)
+        => out schema: {(1) default.n.n_nationkey (INT4)}
+        => in  schema: {(1) default.n.n_nationkey (INT4)}
+         PROJECTION(2)
+           => Targets: default.nation.n_nationkey (INT4)
+           => out schema: {(1) default.nation.n_nationkey (INT4)}
+           => in  schema: {(1) default.nation.n_nationkey (INT4)}
+            SCAN(1) on default.nation
+              => target list: default.nation.n_nationkey (INT4)
+              => out schema: {(1) default.nation.n_nationkey (INT4)}
+              => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+      SCAN(0) on default.customer as c
+        => target list: default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)
+        => out schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
+        => in schema: {(8) default.c.c_acctbal (FLOAT8), default.c.c_address (TEXT), default.c.c_comment (TEXT), default.c.c_custkey (INT4), default.c.c_mktsegment (TEXT), default.c.c_name (TEXT), default.c.c_nationkey (INT4), default.c.c_phone (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan
index 9b709e7..9fbfec5 100644
--- a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Hash.plan
@@ -23,40 +23,66 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
- 1: type=Broadcast, tables=default.customer
+SCAN(0) on default.orders
+  => target list: default.orders.o_orderkey (INT4)
+  => out schema: {(1) default.orders.o_orderkey (INT4)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+
+SCAN(1) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
 
-SORT(8)
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+
+SORT(10)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    JOIN(6)(FULL_OUTER)
      => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
-      SCAN(1) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+      SCAN(9) on eb_0000000000000_0000_000002
         => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
-      SCAN(0) on default.orders
-        => target list: default.orders.o_orderkey (INT4)
+        => in schema: {(1) default.customer.c_custkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+        => in schema: {(1) default.orders.o_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]
@@ -70,7 +96,7 @@ Block Id: eb_0000000000000_0000_000004 [ROOT]
 
 SORT(3)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
-   SCAN(9) on eb_0000000000000_0000_000003
+   SCAN(11) on eb_0000000000000_0000_000003
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan
index 9b709e7..9fbfec5 100644
--- a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoin1.Sort.plan
@@ -23,40 +23,66 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
- 1: type=Broadcast, tables=default.customer
+SCAN(0) on default.orders
+  => target list: default.orders.o_orderkey (INT4)
+  => out schema: {(1) default.orders.o_orderkey (INT4)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+
+SCAN(1) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
 
-SORT(8)
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+
+SORT(10)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    JOIN(6)(FULL_OUTER)
      => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
-      SCAN(1) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+      SCAN(9) on eb_0000000000000_0000_000002
         => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
-      SCAN(0) on default.orders
-        => target list: default.orders.o_orderkey (INT4)
+        => in schema: {(1) default.customer.c_custkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+        => in schema: {(1) default.orders.o_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]
@@ -70,7 +96,7 @@ Block Id: eb_0000000000000_0000_000004 [ROOT]
 
 SORT(3)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
-   SCAN(9) on eb_0000000000000_0000_000003
+   SCAN(11) on eb_0000000000000_0000_000003
      => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinPredicationCaseByCase1.1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinPredicationCaseByCase1.1.Hash.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinPredicationCaseByCase1.1.Hash.plan
new file mode 100644
index 0000000..fa727c0
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinPredicationCaseByCase1.1.Hash.plan
@@ -0,0 +1,153 @@
+explain
+-------------------------------
+SORT(5)
+  => Sort Keys: default.t4.id (INT4) (asc)
+   JOIN(9)(FULL_OUTER)
+     => Join Cond: default.t3.id (INT4) = default.t4.id (INT4)
+     => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)
+     => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+     => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+      SCAN(3) on default.jointable14 as t4
+        => target list: default.t4.id (INT4)
+        => out schema: {(1) default.t4.id (INT4)}
+        => in schema: {(2) default.t4.id (INT4), default.t4.name (TEXT)}
+      JOIN(8)(FULL_OUTER)
+        => Join Cond: default.t1.id (INT4) = default.t3.id (INT4)
+        => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)
+        => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+        => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+         SCAN(1) on default.jointable13 as t3
+           => target list: default.t3.id (INT4)
+           => out schema: {(1) default.t3.id (INT4)}
+           => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
+         SCAN(0) on default.jointable11 as t1
+           => target list: default.t1.id (INT4), default.t1.name (TEXT)
+           => out schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+           => in schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+explain
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000007)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000007
+   |-eb_0000000000000_0000_000006
+      |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000004
+         |-eb_0000000000000_0000_000003
+            |-eb_0000000000000_0000_000002
+            |-eb_0000000000000_0000_000001
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
+6: eb_0000000000000_0000_000006
+7: eb_0000000000000_0000_000007
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.t1.id (INT4), num=32)
+
+SCAN(0) on default.jointable11 as t1
+  => target list: default.t1.id (INT4), default.t1.name (TEXT)
+  => out schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+  => in schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
+
+SCAN(1) on default.jointable13 as t3
+  => target list: default.t3.id (INT4)
+  => out schema: {(1) default.t3.id (INT4)}
+  => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.t1.id (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
+
+JOIN(8)(FULL_OUTER)
+  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4)
+  => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)
+  => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+  => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+   SCAN(12) on eb_0000000000000_0000_000002
+     => out schema: {(1) default.t3.id (INT4)}
+     => in schema: {(1) default.t3.id (INT4)}
+   SCAN(11) on eb_0000000000000_0000_000001
+     => out schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+     => in schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t4.id (INT4), num=32)
+
+SCAN(3) on default.jointable14 as t4
+  => target list: default.t4.id (INT4)
+  => out schema: {(1) default.t4.id (INT4)}
+  => in schema: {(2) default.t4.id (INT4), default.t4.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t4.id (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.t4.id (INT4), num=32)
+
+SORT(15)
+  => Sort Keys: default.t4.id (INT4) (asc)
+   JOIN(9)(FULL_OUTER)
+     => Join Cond: default.t3.id (INT4) = default.t4.id (INT4)
+     => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)
+     => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+     => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+      SCAN(14) on eb_0000000000000_0000_000004
+        => out schema: {(1) default.t4.id (INT4)}
+        => in schema: {(1) default.t4.id (INT4)}
+      SCAN(13) on eb_0000000000000_0000_000003
+        => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+        => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000006 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.t4.id (INT4), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000005
+
+SORT(5)
+  => Sort Keys: default.t4.id (INT4) (asc)
+   SCAN(16) on eb_0000000000000_0000_000005
+     => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+     => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000007 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/8fd9ae72/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
new file mode 100644
index 0000000..fa727c0
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
@@ -0,0 +1,153 @@
+explain
+-------------------------------
+SORT(5)
+  => Sort Keys: default.t4.id (INT4) (asc)
+   JOIN(9)(FULL_OUTER)
+     => Join Cond: default.t3.id (INT4) = default.t4.id (INT4)
+     => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)
+     => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+     => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+      SCAN(3) on default.jointable14 as t4
+        => target list: default.t4.id (INT4)
+        => out schema: {(1) default.t4.id (INT4)}
+        => in schema: {(2) default.t4.id (INT4), default.t4.name (TEXT)}
+      JOIN(8)(FULL_OUTER)
+        => Join Cond: default.t1.id (INT4) = default.t3.id (INT4)
+        => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)
+        => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+        => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+         SCAN(1) on default.jointable13 as t3
+           => target list: default.t3.id (INT4)
+           => out schema: {(1) default.t3.id (INT4)}
+           => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
+         SCAN(0) on default.jointable11 as t1
+           => target list: default.t1.id (INT4), default.t1.name (TEXT)
+           => out schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+           => in schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+explain
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000007)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000007
+   |-eb_0000000000000_0000_000006
+      |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000004
+         |-eb_0000000000000_0000_000003
+            |-eb_0000000000000_0000_000002
+            |-eb_0000000000000_0000_000001
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
+6: eb_0000000000000_0000_000006
+7: eb_0000000000000_0000_000007
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.t1.id (INT4), num=32)
+
+SCAN(0) on default.jointable11 as t1
+  => target list: default.t1.id (INT4), default.t1.name (TEXT)
+  => out schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+  => in schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
+
+SCAN(1) on default.jointable13 as t3
+  => target list: default.t3.id (INT4)
+  => out schema: {(1) default.t3.id (INT4)}
+  => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.t1.id (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
+
+JOIN(8)(FULL_OUTER)
+  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4)
+  => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)
+  => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+  => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+   SCAN(12) on eb_0000000000000_0000_000002
+     => out schema: {(1) default.t3.id (INT4)}
+     => in schema: {(1) default.t3.id (INT4)}
+   SCAN(11) on eb_0000000000000_0000_000001
+     => out schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+     => in schema: {(2) default.t1.id (INT4), default.t1.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t4.id (INT4), num=32)
+
+SCAN(3) on default.jointable14 as t4
+  => target list: default.t4.id (INT4)
+  => out schema: {(1) default.t4.id (INT4)}
+  => in schema: {(2) default.t4.id (INT4), default.t4.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t4.id (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.t4.id (INT4), num=32)
+
+SORT(15)
+  => Sort Keys: default.t4.id (INT4) (asc)
+   JOIN(9)(FULL_OUTER)
+     => Join Cond: default.t3.id (INT4) = default.t4.id (INT4)
+     => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)
+     => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+     => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+      SCAN(14) on eb_0000000000000_0000_000004
+        => out schema: {(1) default.t4.id (INT4)}
+        => in schema: {(1) default.t4.id (INT4)}
+      SCAN(13) on eb_0000000000000_0000_000003
+        => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+        => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000006 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.t4.id (INT4), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000005
+
+SORT(5)
+  => Sort Keys: default.t4.id (INT4) (asc)
+   SCAN(16) on eb_0000000000000_0000_000005
+     => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+     => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t3.id (INT4), default.t4.id (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000007 [TERMINAL]
+=======================================================