http://git-wip-us.apache.org/repos/asf/tajo/blob/bedce3aa/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash.plan
 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash.plan
index 580a217..ae57b83 100644
--- 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash.plan
+++ 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash.plan
@@ -7,14 +7,14 @@ SORT(3)
      => target list: default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
-      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)}
       SCAN(0) on default.empty_orders
         => target list: default.empty_orders.o_orderkey (INT4)
         => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
         => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
+      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)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -40,32 +40,32 @@ Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-SCAN(0) on default.empty_orders
-  => target list: default.empty_orders.o_orderkey (INT4)
-  => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
-  => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
+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_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (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)}
+SCAN(0) on default.empty_orders
+  => target list: default.empty_orders.o_orderkey (INT4)
+  => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
+  => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[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.empty_orders.o_orderkey (INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.empty_orders.o_orderkey (INT4), 
num=32)
@@ -78,11 +78,11 @@ SORT(10)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
       SCAN(9) on eb_0000000000000_0000_000002
-        => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(1) default.customer.c_custkey (INT4)}
-      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
         => in schema: {(1) default.empty_orders.o_orderkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out schema: {(1) default.customer.c_custkey (INT4)}
+        => 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/bedce3aa/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash_NoBroadcast.plan
 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash_NoBroadcast.plan
index 580a217..ae57b83 100644
--- 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash_NoBroadcast.plan
+++ 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Hash_NoBroadcast.plan
@@ -7,14 +7,14 @@ SORT(3)
      => target list: default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
-      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)}
       SCAN(0) on default.empty_orders
         => target list: default.empty_orders.o_orderkey (INT4)
         => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
         => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
+      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)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -40,32 +40,32 @@ Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-SCAN(0) on default.empty_orders
-  => target list: default.empty_orders.o_orderkey (INT4)
-  => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
-  => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
+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_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (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)}
+SCAN(0) on default.empty_orders
+  => target list: default.empty_orders.o_orderkey (INT4)
+  => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
+  => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[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.empty_orders.o_orderkey (INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.empty_orders.o_orderkey (INT4), 
num=32)
@@ -78,11 +78,11 @@ SORT(10)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
       SCAN(9) on eb_0000000000000_0000_000002
-        => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(1) default.customer.c_custkey (INT4)}
-      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
         => in schema: {(1) default.empty_orders.o_orderkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out schema: {(1) default.customer.c_custkey (INT4)}
+        => 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/bedce3aa/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort.plan
 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort.plan
index 580a217..ae57b83 100644
--- 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort.plan
+++ 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort.plan
@@ -7,14 +7,14 @@ SORT(3)
      => target list: default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
-      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)}
       SCAN(0) on default.empty_orders
         => target list: default.empty_orders.o_orderkey (INT4)
         => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
         => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
+      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)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -40,32 +40,32 @@ Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-SCAN(0) on default.empty_orders
-  => target list: default.empty_orders.o_orderkey (INT4)
-  => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
-  => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
+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_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (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)}
+SCAN(0) on default.empty_orders
+  => target list: default.empty_orders.o_orderkey (INT4)
+  => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
+  => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[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.empty_orders.o_orderkey (INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.empty_orders.o_orderkey (INT4), 
num=32)
@@ -78,11 +78,11 @@ SORT(10)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
       SCAN(9) on eb_0000000000000_0000_000002
-        => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(1) default.customer.c_custkey (INT4)}
-      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
         => in schema: {(1) default.empty_orders.o_orderkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out schema: {(1) default.customer.c_custkey (INT4)}
+        => 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/bedce3aa/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort_NoBroadcast.plan
 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort_NoBroadcast.plan
index 580a217..ae57b83 100644
--- 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort_NoBroadcast.plan
+++ 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testFullOuterJoinWithEmptyTable1.Sort_NoBroadcast.plan
@@ -7,14 +7,14 @@ SORT(3)
      => target list: default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
-      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)}
       SCAN(0) on default.empty_orders
         => target list: default.empty_orders.o_orderkey (INT4)
         => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
         => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
+      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)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -40,32 +40,32 @@ Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-SCAN(0) on default.empty_orders
-  => target list: default.empty_orders.o_orderkey (INT4)
-  => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
-  => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
+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_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (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)}
+SCAN(0) on default.empty_orders
+  => target list: default.empty_orders.o_orderkey (INT4)
+  => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
+  => in schema: {(9) default.empty_orders.o_clerk (TEXT), 
default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), 
default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey 
(INT4), default.empty_orders.o_orderpriority (TEXT), 
default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority 
(INT4), default.empty_orders.o_totalprice (FLOAT8)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.empty_orders.o_orderkey (INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[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.empty_orders.o_orderkey (INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.empty_orders.o_orderkey (INT4), 
num=32)
@@ -78,11 +78,11 @@ SORT(10)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.empty_orders.o_orderkey (INT4)}
       SCAN(9) on eb_0000000000000_0000_000002
-        => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(1) default.customer.c_custkey (INT4)}
-      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.empty_orders.o_orderkey (INT4)}
         => in schema: {(1) default.empty_orders.o_orderkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out schema: {(1) default.customer.c_custkey (INT4)}
+        => 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/bedce3aa/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash.plan
 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash.plan
index 2418b98..a688177 100644
--- 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash.plan
+++ 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash.plan
@@ -28,27 +28,27 @@ JOIN(17)(LEFT_OUTER)
            => out schema: {(2) default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4)}
            => in schema: {(9) default.d.o_clerk (TEXT), default.d.o_comment 
(TEXT), default.d.o_custkey (INT4), default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4), default.d.o_orderpriority (TEXT), 
default.d.o_orderstatus (TEXT), default.d.o_shippriority (INT4), 
default.d.o_totalprice (FLOAT8)}
          JOIN(14)(LEFT_OUTER)
-           => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey 
(INT4)
+           => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
            => 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: {(6) 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), 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)}
+           => 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)}
             JOIN(13)(LEFT_OUTER)
-              => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
-              => target list: default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)
-              => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-              => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
+              => 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)}
-               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)}
+            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)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -56,23 +56,65 @@ 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_000011
-2: eb_0000000000000_0000_000012
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000004
+3: eb_0000000000000_0000_000011
+4: 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.b
- 2: type=Broadcast, tables=default.c
- 3: type=Broadcast, tables=default.d
- 4: type=Broadcast, tables=default.f
+ 1: type=Broadcast, tables=default.d
+ 2: type=Broadcast, tables=default.f
 
 JOIN(17)(LEFT_OUTER)
   => Join Cond: default.f.p_partkey (INT4) = default.d.o_orderkey (INT4)
@@ -102,27 +144,16 @@ JOIN(17)(LEFT_OUTER)
            => out schema: {(2) default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4)}
            => in schema: {(9) default.d.o_clerk (TEXT), default.d.o_comment 
(TEXT), default.d.o_custkey (INT4), default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4), default.d.o_orderpriority (TEXT), 
default.d.o_orderstatus (TEXT), default.d.o_shippriority (INT4), 
default.d.o_totalprice (FLOAT8)}
          JOIN(14)(LEFT_OUTER)
-           => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey 
(INT4)
+           => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
            => 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: {(6) 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), 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)}
-            JOIN(13)(LEFT_OUTER)
-              => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
-              => target list: default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)
-              => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-              => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-               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: {(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: {(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
+              => 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
+              => 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)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000012 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/bedce3aa/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash_NoBroadcast.plan
 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash_NoBroadcast.plan
index 142b778..04d0ae6 100644
--- 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash_NoBroadcast.plan
+++ 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Hash_NoBroadcast.plan
@@ -28,27 +28,27 @@ JOIN(17)(LEFT_OUTER)
            => out schema: {(2) default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4)}
            => in schema: {(9) default.d.o_clerk (TEXT), default.d.o_comment 
(TEXT), default.d.o_custkey (INT4), default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4), default.d.o_orderpriority (TEXT), 
default.d.o_orderstatus (TEXT), default.d.o_shippriority (INT4), 
default.d.o_totalprice (FLOAT8)}
          JOIN(14)(LEFT_OUTER)
-           => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey 
(INT4)
+           => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
            => 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: {(6) 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), 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)}
+           => 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)}
             JOIN(13)(LEFT_OUTER)
-              => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
-              => target list: default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)
-              => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-              => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
+              => 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)}
-               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)}
+            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)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -63,16 +63,16 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000012)
             |-eb_0000000000000_0000_000006
             |-eb_0000000000000_0000_000005
                |-eb_0000000000000_0000_000004
-               |-eb_0000000000000_0000_000003
+                  |-eb_0000000000000_0000_000003
                   |-eb_0000000000000_0000_000002
-                  |-eb_0000000000000_0000_000001
+               |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000001
-2: eb_0000000000000_0000_000002
-3: eb_0000000000000_0000_000003
-4: eb_0000000000000_0000_000004
+1: eb_0000000000000_0000_000002
+2: eb_0000000000000_0000_000003
+3: eb_0000000000000_0000_000004
+4: eb_0000000000000_0000_000001
 5: eb_0000000000000_0000_000005
 6: eb_0000000000000_0000_000006
 7: eb_0000000000000_0000_000007
@@ -84,86 +84,86 @@ Order of Execution
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000001 [LEAF]
+Block Id: eb_0000000000000_0000_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
+[q_0000000000000_0000] 2 => 4 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(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)}
+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_000002 [LEAF]
+Block Id: eb_0000000000000_0000_000003 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=default.c.o_orderkey 
(INT4), num=32)
 
-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(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)}
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+Block Id: eb_0000000000000_0000_000004 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 2 => 4 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=default.c.o_orderkey 
(INT4), num=32)
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
 
 JOIN(13)(LEFT_OUTER)
-  => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey (INT4)
-  => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)
-  => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-  => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-   SCAN(20) on eb_0000000000000_0000_000002
+  => 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(20) on eb_0000000000000_0000_000003
+     => out schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey 
(INT4)}
+     => in schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey 
(INT4)}
+   SCAN(19) on eb_0000000000000_0000_000002
      => out schema: {(1) default.b.l_orderkey (INT4)}
      => in schema: {(1) default.b.l_orderkey (INT4)}
-   SCAN(19) 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: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4)}
 
 =======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.o_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
 
-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(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_000005 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.o_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 5 => 7 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
 
 JOIN(14)(LEFT_OUTER)
-  => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey (INT4)
+  => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey (INT4)
   => 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: {(6) 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), default.c.o_orderkey (INT4)}
+  => 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
-     => out schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey 
(INT4)}
-     => in schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey 
(INT4)}
-   SCAN(21) on eb_0000000000000_0000_000003
-     => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-     => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
+     => 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
+     => 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)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [LEAF]

http://git-wip-us.apache.org/repos/asf/tajo/blob/bedce3aa/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan
 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan
index 2418b98..a688177 100644
--- 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan
+++ 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort.plan
@@ -28,27 +28,27 @@ JOIN(17)(LEFT_OUTER)
            => out schema: {(2) default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4)}
            => in schema: {(9) default.d.o_clerk (TEXT), default.d.o_comment 
(TEXT), default.d.o_custkey (INT4), default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4), default.d.o_orderpriority (TEXT), 
default.d.o_orderstatus (TEXT), default.d.o_shippriority (INT4), 
default.d.o_totalprice (FLOAT8)}
          JOIN(14)(LEFT_OUTER)
-           => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey 
(INT4)
+           => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
            => 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: {(6) 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), 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)}
+           => 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)}
             JOIN(13)(LEFT_OUTER)
-              => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
-              => target list: default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)
-              => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-              => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
+              => 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)}
-               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)}
+            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)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -56,23 +56,65 @@ 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_000011
-2: eb_0000000000000_0000_000012
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000004
+3: eb_0000000000000_0000_000011
+4: 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.b
- 2: type=Broadcast, tables=default.c
- 3: type=Broadcast, tables=default.d
- 4: type=Broadcast, tables=default.f
+ 1: type=Broadcast, tables=default.d
+ 2: type=Broadcast, tables=default.f
 
 JOIN(17)(LEFT_OUTER)
   => Join Cond: default.f.p_partkey (INT4) = default.d.o_orderkey (INT4)
@@ -102,27 +144,16 @@ JOIN(17)(LEFT_OUTER)
            => out schema: {(2) default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4)}
            => in schema: {(9) default.d.o_clerk (TEXT), default.d.o_comment 
(TEXT), default.d.o_custkey (INT4), default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4), default.d.o_orderpriority (TEXT), 
default.d.o_orderstatus (TEXT), default.d.o_shippriority (INT4), 
default.d.o_totalprice (FLOAT8)}
          JOIN(14)(LEFT_OUTER)
-           => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey 
(INT4)
+           => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
            => 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: {(6) 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), 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)}
-            JOIN(13)(LEFT_OUTER)
-              => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
-              => target list: default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)
-              => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-              => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-               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: {(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: {(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
+              => 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
+              => 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)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000012 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/bedce3aa/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort_NoBroadcast.plan
 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort_NoBroadcast.plan
index 142b778..04d0ae6 100644
--- 
a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort_NoBroadcast.plan
+++ 
b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin3.Sort_NoBroadcast.plan
@@ -28,27 +28,27 @@ JOIN(17)(LEFT_OUTER)
            => out schema: {(2) default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4)}
            => in schema: {(9) default.d.o_clerk (TEXT), default.d.o_comment 
(TEXT), default.d.o_custkey (INT4), default.d.o_orderdate (TEXT), 
default.d.o_orderkey (INT4), default.d.o_orderpriority (TEXT), 
default.d.o_orderstatus (TEXT), default.d.o_shippriority (INT4), 
default.d.o_totalprice (FLOAT8)}
          JOIN(14)(LEFT_OUTER)
-           => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey 
(INT4)
+           => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
            => 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: {(6) 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), 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)}
+           => 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)}
             JOIN(13)(LEFT_OUTER)
-              => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey 
(INT4)
-              => target list: default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)
-              => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-              => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
+              => 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)}
-               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)}
+            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)}
 explain
 -------------------------------
 -------------------------------------------------------------------------------
@@ -63,16 +63,16 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000012)
             |-eb_0000000000000_0000_000006
             |-eb_0000000000000_0000_000005
                |-eb_0000000000000_0000_000004
-               |-eb_0000000000000_0000_000003
+                  |-eb_0000000000000_0000_000003
                   |-eb_0000000000000_0000_000002
-                  |-eb_0000000000000_0000_000001
+               |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000001
-2: eb_0000000000000_0000_000002
-3: eb_0000000000000_0000_000003
-4: eb_0000000000000_0000_000004
+1: eb_0000000000000_0000_000002
+2: eb_0000000000000_0000_000003
+3: eb_0000000000000_0000_000004
+4: eb_0000000000000_0000_000001
 5: eb_0000000000000_0000_000005
 6: eb_0000000000000_0000_000006
 7: eb_0000000000000_0000_000007
@@ -84,86 +84,86 @@ Order of Execution
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000001 [LEAF]
+Block Id: eb_0000000000000_0000_000002 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
+[q_0000000000000_0000] 2 => 4 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(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)}
+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_000002 [LEAF]
+Block Id: eb_0000000000000_0000_000003 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=default.c.o_orderkey 
(INT4), num=32)
 
-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(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)}
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+Block Id: eb_0000000000000_0000_000004 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
-[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 2 => 4 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=default.c.o_orderkey 
(INT4), num=32)
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
 
 JOIN(13)(LEFT_OUTER)
-  => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey (INT4)
-  => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)
-  => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-  => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-   SCAN(20) on eb_0000000000000_0000_000002
+  => 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(20) on eb_0000000000000_0000_000003
+     => out schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey 
(INT4)}
+     => in schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey 
(INT4)}
+   SCAN(19) on eb_0000000000000_0000_000002
      => out schema: {(1) default.b.l_orderkey (INT4)}
      => in schema: {(1) default.b.l_orderkey (INT4)}
-   SCAN(19) 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: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4)}
 
 =======================================================
-Block Id: eb_0000000000000_0000_000004 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.o_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
 
-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(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_000005 [INTERMEDIATE]
 =======================================================
 
 [Incoming]
-[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
-[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.o_orderkey 
(INT4), num=32)
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.b.l_orderkey 
(INT4), num=32)
 
 [Outgoing]
 [q_0000000000000_0000] 5 => 7 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
 
 JOIN(14)(LEFT_OUTER)
-  => Join Cond: default.b.l_orderkey (INT4) = default.c.o_orderkey (INT4)
+  => Join Cond: default.a.c_custkey (INT4) = default.b.l_orderkey (INT4)
   => 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: {(6) 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), default.c.o_orderkey (INT4)}
+  => 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
-     => out schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey 
(INT4)}
-     => in schema: {(2) default.c.o_orderdate (TEXT), default.c.o_orderkey 
(INT4)}
-   SCAN(21) on eb_0000000000000_0000_000003
-     => out schema: {(4) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
-     => in schema: {(4) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.l_orderkey (INT4)}
+     => 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
+     => 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)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [LEAF]

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