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Posted to commits@tajo.apache.org by ji...@apache.org on 2015/08/25 11:20:48 UTC
[03/18] tajo git commit: TAJO-1766: Improve the performance of cross join.

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan
index a688177..61b4f62 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan
@@ -56,65 +56,23 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000012)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000012
    |-eb_0000000000000_0000_000011
-      |-eb_0000000000000_0000_000004
-      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000001
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000011
-4: eb_0000000000000_0000_000012
+1: eb_0000000000000_0000_000011
+2: eb_0000000000000_0000_000012
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000001 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 1 => 11 (type=HASH_SHUFFLE, key=default.a.c_custkey (INT4), num=32)
-
-SCAN(0) on default.customer as a
-  => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
-  => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
-  => in schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 11 (type=HASH_SHUFFLE, key=default.b.l_orderkey (INT4), num=32)
-
-[Enforcers]
- 0: type=Broadcast, tables=default.c
-
-JOIN(13)(LEFT_OUTER)
-  => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey (INT4)
-  => target list: default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT)
-  => out schema: {(2) default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT)}
-  => in schema: {(3) default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT), default.c.o_orderkey (INT4)}
-   SCAN(3) on default.orders as c
-     => target list: default.c.o_orderdate (TEXT), default.c.o_orderkey (INT4)
-     => out schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey (INT4)}
-     => in schema: {(9) default.c.o_clerk (TEXT), default.c.o_comment (TEXT), default.c.o_custkey (INT4), default.c.o_orderdate (TEXT), default.c.o_orderkey (INT4), default.c.o_orderpriority (TEXT), default.c.o_orderstatus (TEXT), default.c.o_shippriority (INT4), default.c.o_totalprice (FLOAT8)}
-   SCAN(1) on default.lineitem as b
-     => target list: default.b.l_orderkey (INT4)
-     => out schema: {(1) default.b.l_orderkey (INT4)}
-     => in schema: {(16) default.b.l_comment (TEXT), default.b.l_commitdate (TEXT), default.b.l_discount (FLOAT8), default.b.l_extendedprice (FLOAT8), default.b.l_linenumber (INT4), default.b.l_linestatus (TEXT), default.b.l_orderkey (INT4), default.b.l_partkey (INT4), default.b.l_quantity (FLOAT8), default.b.l_receiptdate (TEXT), default.b.l_returnflag (TEXT), default.b.l_shipdate (TEXT), default.b.l_shipinstruct (TEXT), default.b.l_shipmode (TEXT), default.b.l_suppkey (INT4), default.b.l_tax (FLOAT8)}
-
-=======================================================
 Block Id: eb_0000000000000_0000_000011 [ROOT]
 =======================================================
 
-[Incoming]
-[q_0000000000000_0000] 1 => 11 (type=HASH_SHUFFLE, key=default.a.c_custkey (INT4), num=32)
-[q_0000000000000_0000] 4 => 11 (type=HASH_SHUFFLE, key=default.b.l_orderkey (INT4), num=32)
-
 [Enforcers]
  0: type=Broadcast, tables=default.e
- 1: type=Broadcast, tables=default.d
- 2: type=Broadcast, tables=default.f
+ 1: type=Broadcast, tables=default.b
+ 2: type=Broadcast, tables=default.c
+ 3: type=Broadcast, tables=default.d
+ 4: type=Broadcast, tables=default.f
 
 JOIN(17)(LEFT_OUTER)
   => Join Cond: default.f.p_partkey (INT4) = default.d.o_orderkey (INT4)
@@ -148,12 +106,23 @@ JOIN(17)(LEFT_OUTER)
            => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT)
            => out schema: {(5) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT)}
            => in schema: {(5) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT)}
-            SCAN(22) on eb_0000000000000_0000_000004
+            JOIN(13)(LEFT_OUTER)
+              => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey (INT4)
+              => target list: default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT)
               => out schema: {(2) default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT)}
-              => in schema: {(2) default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT)}
-            SCAN(21) on eb_0000000000000_0000_000001
+              => in schema: {(3) default.b.l_orderkey (INT4), default.c.o_orderdate (TEXT), default.c.o_orderkey (INT4)}
+               SCAN(3) on default.orders as c
+                 => target list: default.c.o_orderdate (TEXT), default.c.o_orderkey (INT4)
+                 => out schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey (INT4)}
+                 => in schema: {(9) default.c.o_clerk (TEXT), default.c.o_comment (TEXT), default.c.o_custkey (INT4), default.c.o_orderdate (TEXT), default.c.o_orderkey (INT4), default.c.o_orderpriority (TEXT), default.c.o_orderstatus (TEXT), default.c.o_shippriority (INT4), default.c.o_totalprice (FLOAT8)}
+               SCAN(1) on default.lineitem as b
+                 => target list: default.b.l_orderkey (INT4)
+                 => out schema: {(1) default.b.l_orderkey (INT4)}
+                 => in schema: {(16) default.b.l_comment (TEXT), default.b.l_commitdate (TEXT), default.b.l_discount (FLOAT8), default.b.l_extendedprice (FLOAT8), default.b.l_linenumber (INT4), default.b.l_linestatus (TEXT), default.b.l_orderkey (INT4), default.b.l_partkey (INT4), default.b.l_quantity (FLOAT8), default.b.l_receiptdate (TEXT), default.b.l_returnflag (TEXT), default.b.l_shipdate (TEXT), default.b.l_shipinstruct (TEXT), default.b.l_shipmode (TEXT), default.b.l_suppkey (INT4), default.b.l_tax (FLOAT8)}
+            SCAN(0) on default.customer as a
+              => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
               => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
-              => in schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
+              => in schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000012 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash.plan
index ea058ca..ea17dbe 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
@@ -45,7 +45,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
  1: type=Broadcast, tables=default.t3
 
 JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
index 19ae617..d9fa1fe 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
@@ -112,7 +112,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
 [q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), default.t3.id (INT4), num=32)
 
 JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort.plan
index ea058ca..ea17dbe 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
@@ -45,7 +45,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
  1: type=Broadcast, tables=default.t3
 
 JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan
index 19ae617..d9fa1fe 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
@@ -112,7 +112,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
 [q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), default.t3.id (INT4), num=32)
 
 JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Hash.plan
index e3bb20c..264aafe 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Hash.plan
@@ -38,63 +38,21 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000008)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000008
    |-eb_0000000000000_0000_000007
-      |-eb_0000000000000_0000_000004
-      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000001
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000007
-4: eb_0000000000000_0000_000008
+1: eb_0000000000000_0000_000007
+2: eb_0000000000000_0000_000008
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000001 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 1 => 7 (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_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 7 (type=HASH_SHUFFLE, key=default.t2.id (INT4), num=32)
-
-[Enforcers]
- 0: type=Broadcast, tables=default.t3
-
-JOIN(9)(LEFT_OUTER)
-  => Join Cond: default.t2.id (INT4) = default.t3.id (INT4)
-  => target list: default.t2.id (INT4), default.t3.id (INT4)
-  => out schema: {(2) default.t2.id (INT4), default.t3.id (INT4)}
-  => in schema: {(2) default.t2.id (INT4), default.t3.id (INT4)}
-   SCAN(3) 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(1) on default.jointable12 as t2
-     => target list: default.t2.id (INT4)
-     => out schema: {(1) default.t2.id (INT4)}
-     => in schema: {(2) default.t2.id (INT4), default.t2.name (TEXT)}
-
-=======================================================
 Block Id: eb_0000000000000_0000_000007 [ROOT]
 =======================================================
 
-[Incoming]
-[q_0000000000000_0000] 1 => 7 (type=HASH_SHUFFLE, key=default.t1.id (INT4), num=32)
-[q_0000000000000_0000] 4 => 7 (type=HASH_SHUFFLE, key=default.t2.id (INT4), num=32)
-
 [Enforcers]
- 0: type=Broadcast, tables=default.t4
+ 0: type=Broadcast, tables=default.t3
+ 1: type=Broadcast, tables=default.t2
+ 2: type=Broadcast, tables=default.t4
 
 JOIN(11)(INNER)
   => Join Cond: default.t2.id (INT4) = default.t4.id (INT4)
@@ -110,10 +68,21 @@ JOIN(11)(INNER)
      => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
      => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
      => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
-      SCAN(16) on eb_0000000000000_0000_000004
+      JOIN(9)(LEFT_OUTER)
+        => Join Cond: default.t2.id (INT4) = default.t3.id (INT4)
+        => target list: default.t2.id (INT4), default.t3.id (INT4)
         => out schema: {(2) default.t2.id (INT4), default.t3.id (INT4)}
         => in schema: {(2) default.t2.id (INT4), default.t3.id (INT4)}
-      SCAN(15) on eb_0000000000000_0000_000001
+         SCAN(3) 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(1) on default.jointable12 as t2
+           => target list: default.t2.id (INT4)
+           => out schema: {(1) default.t2.id (INT4)}
+           => in schema: {(2) default.t2.id (INT4), default.t2.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)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Sort.plan
index e3bb20c..264aafe 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase2.1.Sort.plan
@@ -38,63 +38,21 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000008)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000008
    |-eb_0000000000000_0000_000007
-      |-eb_0000000000000_0000_000004
-      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000001
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000007
-4: eb_0000000000000_0000_000008
+1: eb_0000000000000_0000_000007
+2: eb_0000000000000_0000_000008
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000001 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 1 => 7 (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_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 7 (type=HASH_SHUFFLE, key=default.t2.id (INT4), num=32)
-
-[Enforcers]
- 0: type=Broadcast, tables=default.t3
-
-JOIN(9)(LEFT_OUTER)
-  => Join Cond: default.t2.id (INT4) = default.t3.id (INT4)
-  => target list: default.t2.id (INT4), default.t3.id (INT4)
-  => out schema: {(2) default.t2.id (INT4), default.t3.id (INT4)}
-  => in schema: {(2) default.t2.id (INT4), default.t3.id (INT4)}
-   SCAN(3) 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(1) on default.jointable12 as t2
-     => target list: default.t2.id (INT4)
-     => out schema: {(1) default.t2.id (INT4)}
-     => in schema: {(2) default.t2.id (INT4), default.t2.name (TEXT)}
-
-=======================================================
 Block Id: eb_0000000000000_0000_000007 [ROOT]
 =======================================================
 
-[Incoming]
-[q_0000000000000_0000] 1 => 7 (type=HASH_SHUFFLE, key=default.t1.id (INT4), num=32)
-[q_0000000000000_0000] 4 => 7 (type=HASH_SHUFFLE, key=default.t2.id (INT4), num=32)
-
 [Enforcers]
- 0: type=Broadcast, tables=default.t4
+ 0: type=Broadcast, tables=default.t3
+ 1: type=Broadcast, tables=default.t2
+ 2: type=Broadcast, tables=default.t4
 
 JOIN(11)(INNER)
   => Join Cond: default.t2.id (INT4) = default.t4.id (INT4)
@@ -110,10 +68,21 @@ JOIN(11)(INNER)
      => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
      => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
      => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
-      SCAN(16) on eb_0000000000000_0000_000004
+      JOIN(9)(LEFT_OUTER)
+        => Join Cond: default.t2.id (INT4) = default.t3.id (INT4)
+        => target list: default.t2.id (INT4), default.t3.id (INT4)
         => out schema: {(2) default.t2.id (INT4), default.t3.id (INT4)}
         => in schema: {(2) default.t2.id (INT4), default.t3.id (INT4)}
-      SCAN(15) on eb_0000000000000_0000_000001
+         SCAN(3) 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(1) on default.jointable12 as t2
+           => target list: default.t2.id (INT4)
+           => out schema: {(1) default.t2.id (INT4)}
+           => in schema: {(2) default.t2.id (INT4), default.t2.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)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash.plan
index 79ce689..d5e35ee 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash.plan
@@ -10,7 +10,7 @@ JOIN(8)(LEFT_OUTER)
      => out schema: {(1) default.t3.id (INT4)}
      => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
    JOIN(7)(LEFT_OUTER)
-     => Join Cond: default.t1.id (INT4) = default.t2.id (INT4) AND concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33
+     => Join Cond: (default.t1.id (INT4) = default.t2.id (INT4) AND (concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33))
      => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
      => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
      => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
@@ -54,7 +54,7 @@ JOIN(8)(LEFT_OUTER)
      => out schema: {(1) default.t3.id (INT4)}
      => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
    JOIN(7)(LEFT_OUTER)
-     => Join Cond: default.t1.id (INT4) = default.t2.id (INT4) AND concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33
+     => Join Cond: (default.t1.id (INT4) = default.t2.id (INT4) AND (concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33))
      => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
      => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
      => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash_NoBroadcast.plan
index b2a14d0..d1a96c9 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Hash_NoBroadcast.plan
@@ -10,7 +10,7 @@ JOIN(8)(LEFT_OUTER)
      => out schema: {(1) default.t3.id (INT4)}
      => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
    JOIN(7)(LEFT_OUTER)
-     => Join Cond: default.t1.id (INT4) = default.t2.id (INT4) AND concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33
+     => Join Cond: (default.t1.id (INT4) = default.t2.id (INT4) AND (concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33))
      => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
      => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
      => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
@@ -80,7 +80,7 @@ Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 [q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t1.id (INT4), num=32)
 
 JOIN(7)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t2.id (INT4) AND concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33
+  => Join Cond: (default.t1.id (INT4) = default.t2.id (INT4) AND (concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
   => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
   => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort.plan
index 79ce689..d5e35ee 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort.plan
@@ -10,7 +10,7 @@ JOIN(8)(LEFT_OUTER)
      => out schema: {(1) default.t3.id (INT4)}
      => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
    JOIN(7)(LEFT_OUTER)
-     => Join Cond: default.t1.id (INT4) = default.t2.id (INT4) AND concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33
+     => Join Cond: (default.t1.id (INT4) = default.t2.id (INT4) AND (concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33))
      => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
      => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
      => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
@@ -54,7 +54,7 @@ JOIN(8)(LEFT_OUTER)
      => out schema: {(1) default.t3.id (INT4)}
      => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
    JOIN(7)(LEFT_OUTER)
-     => Join Cond: default.t1.id (INT4) = default.t2.id (INT4) AND concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33
+     => Join Cond: (default.t1.id (INT4) = default.t2.id (INT4) AND (concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33))
      => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
      => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
      => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort_NoBroadcast.plan
index b2a14d0..d1a96c9 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinPredicationCaseByCase3.1.Sort_NoBroadcast.plan
@@ -10,7 +10,7 @@ JOIN(8)(LEFT_OUTER)
      => out schema: {(1) default.t3.id (INT4)}
      => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
    JOIN(7)(LEFT_OUTER)
-     => Join Cond: default.t1.id (INT4) = default.t2.id (INT4) AND concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33
+     => Join Cond: (default.t1.id (INT4) = default.t2.id (INT4) AND (concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33))
      => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
      => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
      => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
@@ -80,7 +80,7 @@ Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 [q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t1.id (INT4), num=32)
 
 JOIN(7)(LEFT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t2.id (INT4) AND concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33
+  => Join Cond: (default.t1.id (INT4) = default.t2.id (INT4) AND (concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-11 OR concat(default.t1.name (TEXT),CAST (default.t2.id (INT4) AS TEXT)) = table11-33))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
   => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
   => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan
index f1e2800..a8638e7 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan
@@ -3,7 +3,7 @@ explain
 SORT(4)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    SELECTION(3)
-     => Search Cond: default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%'
+     => Search Cond: (default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%')
       JOIN(7)(LEFT_OUTER)
         => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
         => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce
@@ -46,7 +46,7 @@ Block Id: eb_0000000000000_0000_000003 [LEAF]
 SORT(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    SELECTION(3)
-     => Search Cond: default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%'
+     => Search Cond: (default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%')
       JOIN(7)(LEFT_OUTER)
         => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
         => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash_NoBroadcast.plan
index 0ece200..f5b1292 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash_NoBroadcast.plan
@@ -3,7 +3,7 @@ explain
 SORT(4)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    SELECTION(3)
-     => Search Cond: default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%'
+     => Search Cond: (default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%')
       JOIN(7)(LEFT_OUTER)
         => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
         => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce
@@ -75,7 +75,7 @@ Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 SORT(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    SELECTION(3)
-     => Search Cond: default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%'
+     => Search Cond: (default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%')
       JOIN(7)(LEFT_OUTER)
         => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
         => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan
index f1e2800..a8638e7 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan
@@ -3,7 +3,7 @@ explain
 SORT(4)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    SELECTION(3)
-     => Search Cond: default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%'
+     => Search Cond: (default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%')
       JOIN(7)(LEFT_OUTER)
         => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
         => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce
@@ -46,7 +46,7 @@ Block Id: eb_0000000000000_0000_000003 [LEAF]
 SORT(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    SELECTION(3)
-     => Search Cond: default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%'
+     => Search Cond: (default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%')
       JOIN(7)(LEFT_OUTER)
         => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
         => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort_NoBroadcast.plan
index 0ece200..f5b1292 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort_NoBroadcast.plan
@@ -3,7 +3,7 @@ explain
 SORT(4)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    SELECTION(3)
-     => Search Cond: default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%'
+     => Search Cond: (default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%')
       JOIN(7)(LEFT_OUTER)
         => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
         => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce
@@ -75,7 +75,7 @@ Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 SORT(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
    SELECTION(3)
-     => Search Cond: default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%'
+     => Search Cond: (default.orders.o_orderdate (TEXT) IS NOT NULL AND default.orders.o_orderdate (TEXT)LIKE'1996%')
       JOIN(7)(LEFT_OUTER)
         => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
         => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash.plan
index b336032..cbb8253 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash.plan
@@ -32,64 +32,24 @@ 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_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000001
-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_000001 [LEAF]
+Block Id: eb_0000000000000_0000_000005 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.id (INT4), num=32)
-
-SCAN(0) on default.testouterjoinandcasewhen1 as a
-  => target list: default.a.id (INT4), default.a.name (TEXT)
-  => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
-  => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
 
 [Enforcers]
- 0: type=Broadcast, tables=default.c
-
-JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.b.id (INT4) = default.c.id (INT4)
-  => target list: default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)
-  => out schema: {(5) default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-  => in schema: {(6) default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-   SCAN(3) on default.testouterjoinandcasewhen1 as c
-     => target list: default.c.id (INT4), default.c.name (TEXT)
-     => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
-     => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
-   SCAN(1) on default.testouterjoinandcasewhen2 as b
-     => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
-     => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
-     => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
-=======================================================
-
-[Incoming]
-[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.id (INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
-
-[Outgoing]
-[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
+ 0: type=Broadcast, tables=default.b
+ 1: type=Broadcast, tables=default.c
 
 SORT(15)
   => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
@@ -98,12 +58,23 @@ SORT(15)
      => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
      => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
      => in schema: {(7) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-      SCAN(14) on eb_0000000000000_0000_000004
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+        => target list: default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)
         => out schema: {(5) default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-        => in schema: {(5) default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-      SCAN(13) on eb_0000000000000_0000_000001
+        => in schema: {(6) default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+         SCAN(3) on default.testouterjoinandcasewhen1 as c
+           => target list: default.c.id (INT4), default.c.name (TEXT)
+           => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+           => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+         SCAN(1) on default.testouterjoinandcasewhen2 as b
+           => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+           => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+           => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+      SCAN(0) on default.testouterjoinandcasewhen1 as a
+        => target list: default.a.id (INT4), default.a.name (TEXT)
         => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
-        => in schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+        => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort.plan
index b336032..cbb8253 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort.plan
@@ -32,64 +32,24 @@ 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_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000001
-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_000001 [LEAF]
+Block Id: eb_0000000000000_0000_000005 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.id (INT4), num=32)
-
-SCAN(0) on default.testouterjoinandcasewhen1 as a
-  => target list: default.a.id (INT4), default.a.name (TEXT)
-  => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
-  => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
 
 [Enforcers]
- 0: type=Broadcast, tables=default.c
-
-JOIN(8)(LEFT_OUTER)
-  => Join Cond: default.b.id (INT4) = default.c.id (INT4)
-  => target list: default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)
-  => out schema: {(5) default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-  => in schema: {(6) default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-   SCAN(3) on default.testouterjoinandcasewhen1 as c
-     => target list: default.c.id (INT4), default.c.name (TEXT)
-     => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
-     => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
-   SCAN(1) on default.testouterjoinandcasewhen2 as b
-     => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
-     => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
-     => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
-=======================================================
-
-[Incoming]
-[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.id (INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
-
-[Outgoing]
-[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
+ 0: type=Broadcast, tables=default.b
+ 1: type=Broadcast, tables=default.c
 
 SORT(15)
   => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
@@ -98,12 +58,23 @@ SORT(15)
      => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
      => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
      => in schema: {(7) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-      SCAN(14) on eb_0000000000000_0000_000004
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+        => target list: default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)
         => out schema: {(5) default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-        => in schema: {(5) default.b.id (INT4), default.b.name (TEXT), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
-      SCAN(13) on eb_0000000000000_0000_000001
+        => in schema: {(6) default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+         SCAN(3) on default.testouterjoinandcasewhen1 as c
+           => target list: default.c.id (INT4), default.c.name (TEXT)
+           => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+           => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+         SCAN(1) on default.testouterjoinandcasewhen2 as b
+           => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+           => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+           => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+      SCAN(0) on default.testouterjoinandcasewhen1 as a
+        => target list: default.a.id (INT4), default.a.name (TEXT)
         => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
-        => in schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+        => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash.plan
index e0bb3a0..f347a88 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(8)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
@@ -29,72 +29,43 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-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
+1: eb_0000000000000_0000_000005
+2: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t1.id (INT4), default.t2.id (INT4), num=32)
-
-[Enforcers]
- 0: type=Broadcast, tables=default.t1
-
-JOIN(7)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t2.id (INT4)
-  => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
-  => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
-  => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
-   SCAN(1) on default.jointable12 as t2
-     => target list: default.t2.id (INT4)
-     => out schema: {(1) default.t2.id (INT4)}
-     => in schema: {(2) default.t2.id (INT4), default.t2.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)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), default.t3.id (INT4), num=32)
-
-SCAN(3) 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_000005 [ROOT]
 =======================================================
 
-[Incoming]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t1.id (INT4), default.t2.id (INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), default.t3.id (INT4), num=32)
+[Enforcers]
+ 0: type=Broadcast, tables=default.t2
+ 1: type=Broadcast, tables=default.t1
 
 JOIN(8)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
-   SCAN(13) on eb_0000000000000_0000_000004
+   SCAN(3) on default.jointable13 as t3
+     => target list: default.t3.id (INT4)
      => out schema: {(1) default.t3.id (INT4)}
-     => in schema: {(1) default.t3.id (INT4)}
-   SCAN(12) on eb_0000000000000_0000_000003
+     => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
+   JOIN(7)(RIGHT_OUTER)
+     => Join Cond: default.t1.id (INT4) = default.t2.id (INT4)
+     => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
      => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
      => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
+      SCAN(1) on default.jointable12 as t2
+        => target list: default.t2.id (INT4)
+        => out schema: {(1) default.t2.id (INT4)}
+        => in schema: {(2) default.t2.id (INT4), default.t2.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)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
index 735f305..81c8d30 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Hash_NoBroadcast.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(8)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
@@ -112,7 +112,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
 [q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), default.t3.id (INT4), num=32)
 
 JOIN(8)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort.plan
index e0bb3a0..f347a88 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(8)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
@@ -29,72 +29,43 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-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
+1: eb_0000000000000_0000_000005
+2: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t1.id (INT4), default.t2.id (INT4), num=32)
-
-[Enforcers]
- 0: type=Broadcast, tables=default.t1
-
-JOIN(7)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t2.id (INT4)
-  => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
-  => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
-  => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
-   SCAN(1) on default.jointable12 as t2
-     => target list: default.t2.id (INT4)
-     => out schema: {(1) default.t2.id (INT4)}
-     => in schema: {(2) default.t2.id (INT4), default.t2.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)}
-
-=======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
-=======================================================
-
-[Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), default.t3.id (INT4), num=32)
-
-SCAN(3) 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_000005 [ROOT]
 =======================================================
 
-[Incoming]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.t1.id (INT4), default.t2.id (INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), default.t3.id (INT4), num=32)
+[Enforcers]
+ 0: type=Broadcast, tables=default.t2
+ 1: type=Broadcast, tables=default.t1
 
 JOIN(8)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
-   SCAN(13) on eb_0000000000000_0000_000004
+   SCAN(3) on default.jointable13 as t3
+     => target list: default.t3.id (INT4)
      => out schema: {(1) default.t3.id (INT4)}
-     => in schema: {(1) default.t3.id (INT4)}
-   SCAN(12) on eb_0000000000000_0000_000003
+     => in schema: {(2) default.t3.id (INT4), default.t3.name (TEXT)}
+   JOIN(7)(RIGHT_OUTER)
+     => Join Cond: default.t1.id (INT4) = default.t2.id (INT4)
+     => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)
      => out schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
      => in schema: {(3) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4)}
+      SCAN(1) on default.jointable12 as t2
+        => target list: default.t2.id (INT4)
+        => out schema: {(1) default.t2.id (INT4)}
+        => in schema: {(2) default.t2.id (INT4), default.t2.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)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan
index 735f305..81c8d30 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase1.1.Sort_NoBroadcast.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(8)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
@@ -112,7 +112,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
 [q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), default.t3.id (INT4), num=32)
 
 JOIN(8)(RIGHT_OUTER)
-  => Join Cond: default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t1.id (INT4) = default.t3.id (INT4) AND default.t2.id (INT4) = default.t3.id (INT4))
   => target list: default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)
   => out schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}
   => in schema: {(4) default.t1.id (INT4), default.t1.name (TEXT), default.t2.id (INT4), default.t3.id (INT4)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash.plan
index 22fc8ce..a5043ff 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.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)}
@@ -47,7 +47,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
  1: type=Broadcast, tables=default.t1
 
 JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.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)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash_NoBroadcast.plan
index f5486f9..3877a75 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Hash_NoBroadcast.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.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)}
@@ -116,7 +116,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
 [q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
 
 JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.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)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort.plan
index 22fc8ce..a5043ff 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.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)}
@@ -47,7 +47,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
  1: type=Broadcast, tables=default.t1
 
 JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.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)}

http://git-wip-us.apache.org/repos/asf/tajo/blob/1a7c353c/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort_NoBroadcast.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort_NoBroadcast.plan
index f5486f9..3877a75 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort_NoBroadcast.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoinPredicationCaseByCase2.1.Sort_NoBroadcast.plan
@@ -1,7 +1,7 @@
 explain
 -------------------------------
 JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.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)}
@@ -116,7 +116,7 @@ Block Id: eb_0000000000000_0000_000005 [ROOT]
 [q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.t3.id (INT4), num=32)
 
 JOIN(9)(RIGHT_OUTER)
-  => Join Cond: default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.id (INT4)
+  => Join Cond: (default.t3.id (INT4) = 2 AND default.t4.id (INT4) = default.t3.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)}