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Posted to commits@tajo.apache.org by hy...@apache.org on 2015/12/17 09:28:18 UTC

[03/17] tajo git commit: TAJO-2007: By default, Optimizer should use the table volume in TableStat.

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Hash.plan
index 9b2aeeb..56023bc 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Hash.plan
@@ -55,25 +55,54 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000009)
       |-eb_0000000000000_0000_000007
    |-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_000007
-3: eb_0000000000000_0000_000004
-4: eb_0000000000000_0000_000008
-5: eb_0000000000000_0000_000009
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000007
+5: eb_0000000000000_0000_000004
+6: eb_0000000000000_0000_000008
+7: eb_0000000000000_0000_000009
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=, num=1)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) 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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => 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_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=, num=1)
 
 GROUP_BY(17)()
   => exprs: (max(default.customer.c_custkey (INT4)),sum(default.orders.o_orderkey (INT4)),max(default.orders.o_orderstatus (TEXT)),max(default.orders.o_orderdate (TEXT)))
@@ -85,14 +114,12 @@ GROUP_BY(17)()
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
      => out schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
      => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-      SCAN(1) on default.orders
-        => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+      SCAN(16) on eb_0000000000000_0000_000002
         => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-        => 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)}
-      SCAN(0) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+        => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+      SCAN(15) on eb_0000000000000_0000_000001
         => 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)}
+        => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000007 [LEAF]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Sort.plan
index 9b2aeeb..56023bc 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Sort.plan
@@ -55,25 +55,54 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000009)
       |-eb_0000000000000_0000_000007
    |-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_000007
-3: eb_0000000000000_0000_000004
-4: eb_0000000000000_0000_000008
-5: eb_0000000000000_0000_000009
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000007
+5: eb_0000000000000_0000_000004
+6: eb_0000000000000_0000_000008
+7: eb_0000000000000_0000_000009
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=, num=1)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) 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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => 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_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=, num=1)
 
 GROUP_BY(17)()
   => exprs: (max(default.customer.c_custkey (INT4)),sum(default.orders.o_orderkey (INT4)),max(default.orders.o_orderstatus (TEXT)),max(default.orders.o_orderdate (TEXT)))
@@ -85,14 +114,12 @@ GROUP_BY(17)()
      => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
      => out schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
      => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-      SCAN(1) on default.orders
-        => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+      SCAN(16) on eb_0000000000000_0000_000002
         => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-        => 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)}
-      SCAN(0) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+        => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+      SCAN(15) on eb_0000000000000_0000_000001
         => 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)}
+        => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000007 [LEAF]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Hash.plan
index 074245f..2ce8bed 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Hash.plan
@@ -25,23 +25,52 @@ 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.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) 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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => 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_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (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(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => 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
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => 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)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => 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)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Sort.plan
index 074245f..2ce8bed 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull1.Sort.plan
@@ -25,23 +25,52 @@ 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.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) 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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => 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_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (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(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => 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
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => 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)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => 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)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/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 28c69e2..df7b416 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
@@ -25,23 +25,52 @@ 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.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) 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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => 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_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (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(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => 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
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => 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)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => 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)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/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 28c69e2..df7b416 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
@@ -25,23 +25,52 @@ 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.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) 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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => 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_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (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(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => 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
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => 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)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => 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)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan
index 27fa16f..27f7335 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan
@@ -25,23 +25,52 @@ 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.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) 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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => 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_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (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(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => 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
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => 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)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => 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)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan
index 27fa16f..27f7335 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan
@@ -25,23 +25,52 @@ 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.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) 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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => 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_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (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(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => 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
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => 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)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => 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)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan
index 20f77b3..ac73ab9 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan
@@ -22,19 +22,48 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000004)
 -------------------------------------------------------------------------------
 |-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
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.r_regionkey (INT4), num=32)
+
+SCAN(0) on default.region as a
+  => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)
+  => out schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)}
+  => in schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
+
+SCAN(1) on default.customer as b
+  => target list: default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)
+  => out schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
+  => in schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000003 [ROOT]
 =======================================================
 
-[Enforcers]
- 0: type=Broadcast, tables=default.b
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.r_regionkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
 
 SELECTION(6)
   => Search Cond: default.a.r_name (TEXT) < default.b.c_name (TEXT)
@@ -43,12 +72,10 @@ SELECTION(6)
      => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)
      => out schema: {(11) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
      => in schema: {(11) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
-      SCAN(1) on default.customer as b
-        => target list: default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)
+      SCAN(10) on eb_0000000000000_0000_000002
         => out schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
         => in schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
-      SCAN(0) on default.region as a
-        => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)
+      SCAN(9) on eb_0000000000000_0000_000001
         => out schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)}
         => in schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan
index 20f77b3..ac73ab9 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan
@@ -22,19 +22,48 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000004)
 -------------------------------------------------------------------------------
 |-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
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.r_regionkey (INT4), num=32)
+
+SCAN(0) on default.region as a
+  => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)
+  => out schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)}
+  => in schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
+
+SCAN(1) on default.customer as b
+  => target list: default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)
+  => out schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
+  => in schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000003 [ROOT]
 =======================================================
 
-[Enforcers]
- 0: type=Broadcast, tables=default.b
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.r_regionkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
 
 SELECTION(6)
   => Search Cond: default.a.r_name (TEXT) < default.b.c_name (TEXT)
@@ -43,12 +72,10 @@ SELECTION(6)
      => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)
      => out schema: {(11) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
      => in schema: {(11) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
-      SCAN(1) on default.customer as b
-        => target list: default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)
+      SCAN(10) on eb_0000000000000_0000_000002
         => out schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
         => in schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.b.c_phone (TEXT)}
-      SCAN(0) on default.region as a
-        => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)
+      SCAN(9) on eb_0000000000000_0000_000001
         => out schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)}
         => in schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), default.a.r_regionkey (INT4)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
index 7b9c695..bfc571d 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
@@ -31,20 +31,51 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 5 (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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_custkey (INT4), num=32)
+
+SCAN(1) on default.orders as b
+  => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+  => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+  => 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_000005 [ROOT]
 =======================================================
 
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_custkey (INT4), num=32)
+
 [Enforcers]
- 0: type=Broadcast, tables=default.b
- 1: type=Broadcast, tables=default.c
+ 0: type=Broadcast, tables=default.c
 
 SELECTION(5)
   => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
@@ -62,14 +93,12 @@ SELECTION(5)
         => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
         => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
         => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
-         SCAN(1) on default.orders as b
-           => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+         SCAN(12) on eb_0000000000000_0000_000002
            => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
-           => 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)}
-         SCAN(0) on default.customer as a
-           => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+           => in schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(11) on eb_0000000000000_0000_000001
            => 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)}
+           => in schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
index 7b9c695..bfc571d 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
@@ -31,20 +31,51 @@ Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 5 (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_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_custkey (INT4), num=32)
+
+SCAN(1) on default.orders as b
+  => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+  => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+  => 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_000005 [ROOT]
 =======================================================
 
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_custkey (INT4), num=32)
+
 [Enforcers]
- 0: type=Broadcast, tables=default.b
- 1: type=Broadcast, tables=default.c
+ 0: type=Broadcast, tables=default.c
 
 SELECTION(5)
   => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
@@ -62,14 +93,12 @@ SELECTION(5)
         => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
         => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
         => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
-         SCAN(1) on default.orders as b
-           => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+         SCAN(12) on eb_0000000000000_0000_000002
            => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
-           => 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)}
-         SCAN(0) on default.customer as a
-           => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+           => in schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(11) on eb_0000000000000_0000_000001
            => 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)}
+           => in schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
index 66c22df..c421b35 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
@@ -23,23 +23,52 @@ 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
+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]
+=======================================================
+
+[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, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -48,14 +77,12 @@ SORT(10)
      => 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]

http://git-wip-us.apache.org/repos/asf/tajo/blob/c577102e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan
index 66c22df..c421b35 100644
--- a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan
+++ b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan
@@ -23,23 +23,52 @@ 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
+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]
+=======================================================
+
+[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, nulls last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -48,14 +77,12 @@ SORT(10)
      => 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]