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Posted to commits@tajo.apache.org by ji...@apache.org on 2015/05/19 04:07:41 UTC

[16/47] tajo git commit: TAJO-1577: Add test cases to verify join plans. (jihoon)

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testJoinFilterOfRowPreservedTable1.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testJoinFilterOfRowPreservedTable1.Sort_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testJoinFilterOfRowPreservedTable1.Sort_NoBroadcast.plan
new file mode 100644
index 0000000..cbfb419
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testJoinFilterOfRowPreservedTable1.Sort_NoBroadcast.plan
@@ -0,0 +1,105 @@
+explain
+-------------------------------
+SORT(3)
+  => Sort Keys: default.region.r_name (TEXT) (asc),default.nation.n_name (TEXT) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.nation.n_regionkey (INT4) = default.region.r_regionkey (INT4) AND default.region.r_name (TEXT) IN (AMERICA, ASIA)
+     => target list: default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)
+     => out schema: {(4) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+     => in schema: {(4) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+      SCAN(1) on default.nation
+        => target list: default.nation.n_name (TEXT), default.nation.n_regionkey (INT4)
+        => out schema: {(2) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4)}
+        => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+      SCAN(0) on default.region
+        => target list: default.region.r_name (TEXT), default.region.r_regionkey (INT4)
+        => out schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+        => in schema: {(3) default.region.r_comment (TEXT), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+explain
+-------------------------------
+-------------------------------------------------------------------------------
+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_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_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.region.r_regionkey (INT4), num=32)
+
+SCAN(0) on default.region
+  => target list: default.region.r_name (TEXT), default.region.r_regionkey (INT4)
+  => out schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+  => in schema: {(3) default.region.r_comment (TEXT), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.nation.n_regionkey (INT4), num=32)
+
+SCAN(1) on default.nation
+  => target list: default.nation.n_name (TEXT), default.nation.n_regionkey (INT4)
+  => out schema: {(2) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4)}
+  => in schema: {(4) default.nation.n_comment (TEXT), default.nation.n_name (TEXT), default.nation.n_nationkey (INT4), default.nation.n_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.region.r_regionkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.nation.n_regionkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.nation.n_name (TEXT), default.region.r_name (TEXT), num=32)
+
+SORT(10)
+  => Sort Keys: default.region.r_name (TEXT) (asc),default.nation.n_name (TEXT) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.nation.n_regionkey (INT4) = default.region.r_regionkey (INT4) AND default.region.r_name (TEXT) IN (AMERICA, ASIA)
+     => target list: default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)
+     => out schema: {(4) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+     => in schema: {(4) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+      SCAN(9) on eb_0000000000000_0000_000002
+        => out schema: {(2) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4)}
+        => in schema: {(2) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+        => in schema: {(2) default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.nation.n_name (TEXT), default.region.r_name (TEXT), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000003
+
+SORT(3)
+  => Sort Keys: default.region.r_name (TEXT) (asc),default.nation.n_name (TEXT) (asc)
+   SCAN(11) on eb_0000000000000_0000_000003
+     => out schema: {(4) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+     => in schema: {(4) default.nation.n_name (TEXT), default.nation.n_regionkey (INT4), default.region.r_name (TEXT), default.region.r_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testJoinFilterOfRowPreservedTable1.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testJoinFilterOfRowPreservedTable1.result b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testJoinFilterOfRowPreservedTable1.result
new file mode 100644
index 0000000..10effef
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testJoinFilterOfRowPreservedTable1.result
@@ -0,0 +1,15 @@
+r_name,r_regionkey,n_name,n_regionkey
+-------------------------------
+AFRICA,0,null,null
+AMERICA,1,ARGENTINA,1
+AMERICA,1,BRAZIL,1
+AMERICA,1,CANADA,1
+AMERICA,1,PERU,1
+AMERICA,1,UNITED STATES,1
+ASIA,2,CHINA,2
+ASIA,2,INDIA,2
+ASIA,2,INDONESIA,2
+ASIA,2,JAPAN,2
+ASIA,2,VIETNAM,2
+EUROPE,3,null,null
+MIDDLE EAST,4,null,null

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash.plan
new file mode 100644
index 0000000..539f3da
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash.plan
@@ -0,0 +1,78 @@
+explain
+-------------------------------
+SORT(3)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 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)
+        => 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)
+        => 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
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000005)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000005
+   |-eb_0000000000000_0000_000004
+      |-eb_0000000000000_0000_000003
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000003
+2: eb_0000000000000_0000_000004
+3: eb_0000000000000_0000_000005
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+
+[Enforcers]
+ 0: type=Broadcast, tables=default.orders
+
+SORT(8)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 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)
+        => 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)
+        => 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_000004 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000003
+
+SORT(3)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   SCAN(9) on eb_0000000000000_0000_000003
+     => 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)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash_NoBroadcast.plan
new file mode 100644
index 0000000..89c262b
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Hash_NoBroadcast.plan
@@ -0,0 +1,105 @@
+explain
+-------------------------------
+SORT(3)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 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)
+        => 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)
+        => 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
+-------------------------------
+-------------------------------------------------------------------------------
+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_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_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+
+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(10)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 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(9) 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: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+      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]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000003
+
+SORT(3)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   SCAN(11) on eb_0000000000000_0000_000003
+     => 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)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort.plan
new file mode 100644
index 0000000..539f3da
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort.plan
@@ -0,0 +1,78 @@
+explain
+-------------------------------
+SORT(3)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 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)
+        => 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)
+        => 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
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000005)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000005
+   |-eb_0000000000000_0000_000004
+      |-eb_0000000000000_0000_000003
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000003
+2: eb_0000000000000_0000_000004
+3: eb_0000000000000_0000_000005
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+
+[Enforcers]
+ 0: type=Broadcast, tables=default.orders
+
+SORT(8)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 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)
+        => 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)
+        => 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_000004 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000003
+
+SORT(3)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   SCAN(9) on eb_0000000000000_0000_000003
+     => 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)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort_NoBroadcast.plan
new file mode 100644
index 0000000..89c262b
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.Sort_NoBroadcast.plan
@@ -0,0 +1,105 @@
+explain
+-------------------------------
+SORT(3)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 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)
+        => 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)
+        => 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
+-------------------------------
+-------------------------------------------------------------------------------
+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_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_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
+
+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(10)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 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(9) 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: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+      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]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000003
+
+SORT(3)
+  => Sort Keys: default.customer.c_custkey (INT4) (asc),default.orders.o_orderkey (INT4) (asc)
+   SCAN(11) on eb_0000000000000_0000_000003
+     => 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)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.result b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.result
new file mode 100644
index 0000000..7cb5166
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin1.result
@@ -0,0 +1,7 @@
+c_custkey,o_orderkey,o_orderstatus,o_orderdate
+-------------------------------
+1,1,O,1996-01-02
+2,2,O,1996-12-01
+3,3,F,1993-10-14
+4,null,null,null
+5,null,null,null

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Hash.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Hash.plan
new file mode 100644
index 0000000..3ebc3e4
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Hash.plan
@@ -0,0 +1,91 @@
+explain
+-------------------------------
+JOIN(11)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.d.n_nationkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)
+  => out schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)}
+  => in schema: {(6) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(5) on default.nation as d
+     => target list: default.d.n_name (TEXT), default.d.n_nationkey (INT4)
+     => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+     => in schema: {(4) default.d.n_comment (TEXT), default.d.n_name (TEXT), default.d.n_nationkey (INT4), default.d.n_regionkey (INT4)}
+   JOIN(10)(LEFT_OUTER)
+     => Join Cond: default.b.c_custkey (INT4) = default.c.o_custkey (INT4)
+     => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.c.o_custkey (INT4)}
+      SCAN(3) on default.orders as c
+        => target list: default.c.o_custkey (INT4)
+        => out schema: {(1) default.c.o_custkey (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(9)(LEFT_OUTER)
+        => Join Cond: default.a.l_orderkey (INT4) = default.b.c_custkey (INT4)
+        => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+        => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+        => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+         SCAN(1) on default.customer as b
+           => target list: default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+           => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+           => 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.lineitem as a
+           => target list: default.a.l_orderkey (INT4)
+           => out schema: {(1) default.a.l_orderkey (INT4)}
+           => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+explain
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000004)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000004
+   |-eb_0000000000000_0000_000003
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000003
+2: eb_0000000000000_0000_000004
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [ROOT]
+=======================================================
+
+[Enforcers]
+ 0: type=Broadcast, tables=default.b
+ 1: type=Broadcast, tables=default.c
+ 2: type=Broadcast, tables=default.d
+
+JOIN(11)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.d.n_nationkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)
+  => out schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)}
+  => in schema: {(6) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(5) on default.nation as d
+     => target list: default.d.n_name (TEXT), default.d.n_nationkey (INT4)
+     => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+     => in schema: {(4) default.d.n_comment (TEXT), default.d.n_name (TEXT), default.d.n_nationkey (INT4), default.d.n_regionkey (INT4)}
+   JOIN(10)(LEFT_OUTER)
+     => Join Cond: default.b.c_custkey (INT4) = default.c.o_custkey (INT4)
+     => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.c.o_custkey (INT4)}
+      SCAN(3) on default.orders as c
+        => target list: default.c.o_custkey (INT4)
+        => out schema: {(1) default.c.o_custkey (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(9)(LEFT_OUTER)
+        => Join Cond: default.a.l_orderkey (INT4) = default.b.c_custkey (INT4)
+        => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+        => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+        => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+         SCAN(1) on default.customer as b
+           => target list: default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+           => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+           => 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.lineitem as a
+           => target list: default.a.l_orderkey (INT4)
+           => out schema: {(1) default.a.l_orderkey (INT4)}
+           => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Hash_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Hash_NoBroadcast.plan
new file mode 100644
index 0000000..6af4854
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Hash_NoBroadcast.plan
@@ -0,0 +1,176 @@
+explain
+-------------------------------
+JOIN(11)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.d.n_nationkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)
+  => out schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)}
+  => in schema: {(6) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(5) on default.nation as d
+     => target list: default.d.n_name (TEXT), default.d.n_nationkey (INT4)
+     => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+     => in schema: {(4) default.d.n_comment (TEXT), default.d.n_name (TEXT), default.d.n_nationkey (INT4), default.d.n_regionkey (INT4)}
+   JOIN(10)(LEFT_OUTER)
+     => Join Cond: default.b.c_custkey (INT4) = default.c.o_custkey (INT4)
+     => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.c.o_custkey (INT4)}
+      SCAN(3) on default.orders as c
+        => target list: default.c.o_custkey (INT4)
+        => out schema: {(1) default.c.o_custkey (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(9)(LEFT_OUTER)
+        => Join Cond: default.a.l_orderkey (INT4) = default.b.c_custkey (INT4)
+        => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+        => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+        => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+         SCAN(1) on default.customer as b
+           => target list: default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+           => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+           => 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.lineitem as a
+           => target list: default.a.l_orderkey (INT4)
+           => out schema: {(1) default.a.l_orderkey (INT4)}
+           => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+explain
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000008)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000008
+   |-eb_0000000000000_0000_000007
+      |-eb_0000000000000_0000_000006
+      |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000004
+         |-eb_0000000000000_0000_000003
+            |-eb_0000000000000_0000_000002
+            |-eb_0000000000000_0000_000001
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
+6: eb_0000000000000_0000_000006
+7: eb_0000000000000_0000_000007
+8: eb_0000000000000_0000_000008
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+
+SCAN(0) on default.lineitem as a
+  => target list: default.a.l_orderkey (INT4)
+  => out schema: {(1) default.a.l_orderkey (INT4)}
+  => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+
+=======================================================
+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_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+  => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+  => 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 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
+
+JOIN(9)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.b.c_custkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+  => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+  => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+   SCAN(14) on eb_0000000000000_0000_000002
+     => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+   SCAN(13) on eb_0000000000000_0000_000001
+     => out schema: {(1) default.a.l_orderkey (INT4)}
+     => in schema: {(1) default.a.l_orderkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.o_custkey (INT4), num=32)
+
+SCAN(3) on default.orders as c
+  => target list: default.c.o_custkey (INT4)
+  => out schema: {(1) default.c.o_custkey (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_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.o_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 5 => 7 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+
+JOIN(10)(LEFT_OUTER)
+  => Join Cond: default.b.c_custkey (INT4) = default.c.o_custkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+  => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+  => in schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.c.o_custkey (INT4)}
+   SCAN(16) on eb_0000000000000_0000_000004
+     => out schema: {(1) default.c.o_custkey (INT4)}
+     => in schema: {(1) default.c.o_custkey (INT4)}
+   SCAN(15) on eb_0000000000000_0000_000003
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000006 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 6 => 7 (type=HASH_SHUFFLE, key=default.d.n_nationkey (INT4), num=32)
+
+SCAN(5) on default.nation as d
+  => target list: default.d.n_name (TEXT), default.d.n_nationkey (INT4)
+  => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+  => in schema: {(4) default.d.n_comment (TEXT), default.d.n_name (TEXT), default.d.n_nationkey (INT4), default.d.n_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000007 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 5 => 7 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+[q_0000000000000_0000] 6 => 7 (type=HASH_SHUFFLE, key=default.d.n_nationkey (INT4), num=32)
+
+JOIN(11)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.d.n_nationkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)
+  => out schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)}
+  => in schema: {(6) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(18) on eb_0000000000000_0000_000006
+     => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+     => in schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(17) on eb_0000000000000_0000_000005
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000008 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Sort.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Sort.plan
new file mode 100644
index 0000000..3ebc3e4
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Sort.plan
@@ -0,0 +1,91 @@
+explain
+-------------------------------
+JOIN(11)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.d.n_nationkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)
+  => out schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)}
+  => in schema: {(6) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(5) on default.nation as d
+     => target list: default.d.n_name (TEXT), default.d.n_nationkey (INT4)
+     => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+     => in schema: {(4) default.d.n_comment (TEXT), default.d.n_name (TEXT), default.d.n_nationkey (INT4), default.d.n_regionkey (INT4)}
+   JOIN(10)(LEFT_OUTER)
+     => Join Cond: default.b.c_custkey (INT4) = default.c.o_custkey (INT4)
+     => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.c.o_custkey (INT4)}
+      SCAN(3) on default.orders as c
+        => target list: default.c.o_custkey (INT4)
+        => out schema: {(1) default.c.o_custkey (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(9)(LEFT_OUTER)
+        => Join Cond: default.a.l_orderkey (INT4) = default.b.c_custkey (INT4)
+        => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+        => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+        => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+         SCAN(1) on default.customer as b
+           => target list: default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+           => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+           => 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.lineitem as a
+           => target list: default.a.l_orderkey (INT4)
+           => out schema: {(1) default.a.l_orderkey (INT4)}
+           => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+explain
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000004)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000004
+   |-eb_0000000000000_0000_000003
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000003
+2: eb_0000000000000_0000_000004
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [ROOT]
+=======================================================
+
+[Enforcers]
+ 0: type=Broadcast, tables=default.b
+ 1: type=Broadcast, tables=default.c
+ 2: type=Broadcast, tables=default.d
+
+JOIN(11)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.d.n_nationkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)
+  => out schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)}
+  => in schema: {(6) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(5) on default.nation as d
+     => target list: default.d.n_name (TEXT), default.d.n_nationkey (INT4)
+     => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+     => in schema: {(4) default.d.n_comment (TEXT), default.d.n_name (TEXT), default.d.n_nationkey (INT4), default.d.n_regionkey (INT4)}
+   JOIN(10)(LEFT_OUTER)
+     => Join Cond: default.b.c_custkey (INT4) = default.c.o_custkey (INT4)
+     => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.c.o_custkey (INT4)}
+      SCAN(3) on default.orders as c
+        => target list: default.c.o_custkey (INT4)
+        => out schema: {(1) default.c.o_custkey (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(9)(LEFT_OUTER)
+        => Join Cond: default.a.l_orderkey (INT4) = default.b.c_custkey (INT4)
+        => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+        => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+        => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+         SCAN(1) on default.customer as b
+           => target list: default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+           => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+           => 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.lineitem as a
+           => target list: default.a.l_orderkey (INT4)
+           => out schema: {(1) default.a.l_orderkey (INT4)}
+           => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Sort_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Sort_NoBroadcast.plan
new file mode 100644
index 0000000..6af4854
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.Sort_NoBroadcast.plan
@@ -0,0 +1,176 @@
+explain
+-------------------------------
+JOIN(11)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.d.n_nationkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)
+  => out schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)}
+  => in schema: {(6) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(5) on default.nation as d
+     => target list: default.d.n_name (TEXT), default.d.n_nationkey (INT4)
+     => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+     => in schema: {(4) default.d.n_comment (TEXT), default.d.n_name (TEXT), default.d.n_nationkey (INT4), default.d.n_regionkey (INT4)}
+   JOIN(10)(LEFT_OUTER)
+     => Join Cond: default.b.c_custkey (INT4) = default.c.o_custkey (INT4)
+     => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.c.o_custkey (INT4)}
+      SCAN(3) on default.orders as c
+        => target list: default.c.o_custkey (INT4)
+        => out schema: {(1) default.c.o_custkey (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(9)(LEFT_OUTER)
+        => Join Cond: default.a.l_orderkey (INT4) = default.b.c_custkey (INT4)
+        => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+        => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+        => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+         SCAN(1) on default.customer as b
+           => target list: default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+           => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+           => 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.lineitem as a
+           => target list: default.a.l_orderkey (INT4)
+           => out schema: {(1) default.a.l_orderkey (INT4)}
+           => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+explain
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000008)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000008
+   |-eb_0000000000000_0000_000007
+      |-eb_0000000000000_0000_000006
+      |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000004
+         |-eb_0000000000000_0000_000003
+            |-eb_0000000000000_0000_000002
+            |-eb_0000000000000_0000_000001
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
+6: eb_0000000000000_0000_000006
+7: eb_0000000000000_0000_000007
+8: eb_0000000000000_0000_000008
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+
+SCAN(0) on default.lineitem as a
+  => target list: default.a.l_orderkey (INT4)
+  => out schema: {(1) default.a.l_orderkey (INT4)}
+  => in schema: {(16) default.a.l_comment (TEXT), default.a.l_commitdate (TEXT), default.a.l_discount (FLOAT8), default.a.l_extendedprice (FLOAT8), default.a.l_linenumber (INT4), default.a.l_linestatus (TEXT), default.a.l_orderkey (INT4), default.a.l_partkey (INT4), default.a.l_quantity (FLOAT8), default.a.l_receiptdate (TEXT), default.a.l_returnflag (TEXT), default.a.l_shipdate (TEXT), default.a.l_shipinstruct (TEXT), default.a.l_shipmode (TEXT), default.a.l_suppkey (INT4), default.a.l_tax (FLOAT8)}
+
+=======================================================
+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_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+  => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+  => 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 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
+
+JOIN(9)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.b.c_custkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+  => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+  => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+   SCAN(14) on eb_0000000000000_0000_000002
+     => out schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(3) default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+   SCAN(13) on eb_0000000000000_0000_000001
+     => out schema: {(1) default.a.l_orderkey (INT4)}
+     => in schema: {(1) default.a.l_orderkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.o_custkey (INT4), num=32)
+
+SCAN(3) on default.orders as c
+  => target list: default.c.o_custkey (INT4)
+  => out schema: {(1) default.c.o_custkey (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_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.o_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 5 => 7 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+
+JOIN(10)(LEFT_OUTER)
+  => Join Cond: default.b.c_custkey (INT4) = default.c.o_custkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)
+  => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+  => in schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.c.o_custkey (INT4)}
+   SCAN(16) on eb_0000000000000_0000_000004
+     => out schema: {(1) default.c.o_custkey (INT4)}
+     => in schema: {(1) default.c.o_custkey (INT4)}
+   SCAN(15) on eb_0000000000000_0000_000003
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000006 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 6 => 7 (type=HASH_SHUFFLE, key=default.d.n_nationkey (INT4), num=32)
+
+SCAN(5) on default.nation as d
+  => target list: default.d.n_name (TEXT), default.d.n_nationkey (INT4)
+  => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+  => in schema: {(4) default.d.n_comment (TEXT), default.d.n_name (TEXT), default.d.n_nationkey (INT4), default.d.n_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000007 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 5 => 7 (type=HASH_SHUFFLE, key=default.a.l_orderkey (INT4), num=32)
+[q_0000000000000_0000] 6 => 7 (type=HASH_SHUFFLE, key=default.d.n_nationkey (INT4), num=32)
+
+JOIN(11)(LEFT_OUTER)
+  => Join Cond: default.a.l_orderkey (INT4) = default.d.n_nationkey (INT4)
+  => target list: default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)
+  => out schema: {(5) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT)}
+  => in schema: {(6) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4), default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(18) on eb_0000000000000_0000_000006
+     => out schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+     => in schema: {(2) default.d.n_name (TEXT), default.d.n_nationkey (INT4)}
+   SCAN(17) on eb_0000000000000_0000_000005
+     => out schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+     => in schema: {(4) default.a.l_orderkey (INT4), default.b.c_custkey (INT4), default.b.c_name (TEXT), default.b.c_nationkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000008 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.result b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.result
new file mode 100644
index 0000000..f0f1154
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoin2.result
@@ -0,0 +1,7 @@
+l_orderkey,c_custkey,c_name,c_nationkey,n_name
+-------------------------------
+1,1,Customer#000000001,15,ARGENTINA
+1,1,Customer#000000001,15,ARGENTINA
+2,2,Customer#000000002,13,BRAZIL
+3,3,Customer#000000003,1,CANADA
+3,3,Customer#000000003,1,CANADA