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Posted to commits@tajo.apache.org by ji...@apache.org on 2015/05/19 04:07:31 UTC

[06/47] 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/testMultipleBroadcastDataFileWithZeroLength.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength.Sort_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength.Sort_NoBroadcast.plan
new file mode 100644
index 0000000..a708b1d
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength.Sort_NoBroadcast.plan
@@ -0,0 +1,84 @@
+explain
+-------------------------------
+SELECTION(3)
+  => Search Cond: default.b.n_nationkey (INT4) IS NULL
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.b.n_nationkey (INT4)
+     => target list: 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), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)
+     => out schema: {(12) 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), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+     => in schema: {(12) 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), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+      SCAN(1) on default.nation_multifile as b
+        => target list: default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)
+        => out schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+        => in schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+      SCAN(0) on default.customer as a
+        => target list: 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)
+        => out 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: {(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
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000004)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000004
+   |-eb_0000000000000_0000_000003
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_nationkey (INT4), num=32)
+
+SCAN(0) on default.customer as a
+  => target list: 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)
+  => out 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: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.n_nationkey (INT4), num=32)
+
+SCAN(1) on default.nation_multifile as b
+  => target list: default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)
+  => out schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+  => in schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_nationkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.n_nationkey (INT4), num=32)
+
+SELECTION(3)
+  => Search Cond: default.b.n_nationkey (INT4) IS NULL
+   JOIN(6)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.b.n_nationkey (INT4)
+     => target list: 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), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)
+     => out schema: {(12) 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), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+     => in schema: {(12) 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), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+      SCAN(9) on eb_0000000000000_0000_000002
+        => out schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+        => in schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
+        => out 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: {(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 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength.result b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength.result
new file mode 100644
index 0000000..9f8d135
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength.result
@@ -0,0 +1,2 @@
+c_custkey,c_name,c_address,c_nationkey,c_phone,c_acctbal,c_mktsegment,c_comment,n_nationkey,n_name,n_regionkey,n_comment
+-------------------------------

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
new file mode 100644
index 0000000..e9e2176
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
@@ -0,0 +1,76 @@
+explain
+-------------------------------
+SELECTION(5)
+  => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.c.n_nationkey (INT4)
+     => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+     => out schema: {(7) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+     => in schema: {(8) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(3) on default.nation_multifile as c
+        => target list: default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+        => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+        => in schema: {(4) default.c.n_comment (TEXT), default.c.n_name (TEXT), default.c.n_nationkey (INT4), default.c.n_regionkey (INT4)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.c_custkey (INT4) = default.b.o_custkey (INT4)
+        => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+        => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+        => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(1) on default.orders as b
+           => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+           => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+           => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+         SCAN(0) on default.customer as a
+           => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+           => 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
+-------------------------------
+-------------------------------------------------------------------------------
+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
+
+SELECTION(5)
+  => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.c.n_nationkey (INT4)
+     => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+     => out schema: {(7) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+     => in schema: {(8) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(3) on default.nation_multifile as c
+        => target list: default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+        => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+        => in schema: {(4) default.c.n_comment (TEXT), default.c.n_name (TEXT), default.c.n_nationkey (INT4), default.c.n_regionkey (INT4)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.c_custkey (INT4) = default.b.o_custkey (INT4)
+        => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+        => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+        => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(1) on default.orders as b
+           => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+           => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+           => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+         SCAN(0) on default.customer as a
+           => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+           => 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 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash_NoBroadcast.plan
new file mode 100644
index 0000000..0fd5b89
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash_NoBroadcast.plan
@@ -0,0 +1,132 @@
+explain
+-------------------------------
+SELECTION(5)
+  => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.c.n_nationkey (INT4)
+     => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+     => out schema: {(7) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+     => in schema: {(8) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(3) on default.nation_multifile as c
+        => target list: default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+        => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+        => in schema: {(4) default.c.n_comment (TEXT), default.c.n_name (TEXT), default.c.n_nationkey (INT4), default.c.n_regionkey (INT4)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.c_custkey (INT4) = default.b.o_custkey (INT4)
+        => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+        => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+        => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(1) on default.orders as b
+           => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+           => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+           => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+         SCAN(0) on default.customer as a
+           => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+           => 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
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000006
+   |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000004
+      |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
+6: eb_0000000000000_0000_000006
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_custkey (INT4), num=32)
+
+SCAN(0) on default.customer as a
+  => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+  => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
+  => in schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.o_custkey (INT4), num=32)
+
+SCAN(1) on default.orders as b
+  => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+  => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+  => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [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.o_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.a.c_nationkey (INT4), num=32)
+
+JOIN(8)(LEFT_OUTER)
+  => Join Cond: default.a.c_custkey (INT4) = default.b.o_custkey (INT4)
+  => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+  => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+  => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+   SCAN(12) on eb_0000000000000_0000_000002
+     => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+     => in schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+   SCAN(11) on eb_0000000000000_0000_000001
+     => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
+     => in schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.n_nationkey (INT4), num=32)
+
+SCAN(3) on default.nation_multifile as c
+  => target list: default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+  => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+  => in schema: {(4) default.c.n_comment (TEXT), default.c.n_name (TEXT), default.c.n_nationkey (INT4), default.c.n_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.a.c_nationkey (INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.n_nationkey (INT4), num=32)
+
+SELECTION(5)
+  => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.c.n_nationkey (INT4)
+     => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+     => out schema: {(7) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+     => in schema: {(8) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(14) on eb_0000000000000_0000_000004
+        => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+        => in schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(13) on eb_0000000000000_0000_000003
+        => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+        => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000006 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
new file mode 100644
index 0000000..e9e2176
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
@@ -0,0 +1,76 @@
+explain
+-------------------------------
+SELECTION(5)
+  => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.c.n_nationkey (INT4)
+     => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+     => out schema: {(7) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+     => in schema: {(8) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(3) on default.nation_multifile as c
+        => target list: default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+        => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+        => in schema: {(4) default.c.n_comment (TEXT), default.c.n_name (TEXT), default.c.n_nationkey (INT4), default.c.n_regionkey (INT4)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.c_custkey (INT4) = default.b.o_custkey (INT4)
+        => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+        => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+        => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(1) on default.orders as b
+           => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+           => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+           => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+         SCAN(0) on default.customer as a
+           => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+           => 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
+-------------------------------
+-------------------------------------------------------------------------------
+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
+
+SELECTION(5)
+  => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.c.n_nationkey (INT4)
+     => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+     => out schema: {(7) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+     => in schema: {(8) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(3) on default.nation_multifile as c
+        => target list: default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+        => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+        => in schema: {(4) default.c.n_comment (TEXT), default.c.n_name (TEXT), default.c.n_nationkey (INT4), default.c.n_regionkey (INT4)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.c_custkey (INT4) = default.b.o_custkey (INT4)
+        => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+        => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+        => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(1) on default.orders as b
+           => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+           => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+           => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+         SCAN(0) on default.customer as a
+           => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+           => 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 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort_NoBroadcast.plan
new file mode 100644
index 0000000..0fd5b89
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort_NoBroadcast.plan
@@ -0,0 +1,132 @@
+explain
+-------------------------------
+SELECTION(5)
+  => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.c.n_nationkey (INT4)
+     => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+     => out schema: {(7) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+     => in schema: {(8) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(3) on default.nation_multifile as c
+        => target list: default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+        => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+        => in schema: {(4) default.c.n_comment (TEXT), default.c.n_name (TEXT), default.c.n_nationkey (INT4), default.c.n_regionkey (INT4)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.c_custkey (INT4) = default.b.o_custkey (INT4)
+        => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+        => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+        => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(1) on default.orders as b
+           => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+           => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+           => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+         SCAN(0) on default.customer as a
+           => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+           => 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
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000006)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000006
+   |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000004
+      |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
+6: eb_0000000000000_0000_000006
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_custkey (INT4), num=32)
+
+SCAN(0) on default.customer as a
+  => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)
+  => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
+  => in schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.o_custkey (INT4), num=32)
+
+SCAN(1) on default.orders as b
+  => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+  => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+  => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [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.o_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.a.c_nationkey (INT4), num=32)
+
+JOIN(8)(LEFT_OUTER)
+  => Join Cond: default.a.c_custkey (INT4) = default.b.o_custkey (INT4)
+  => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)
+  => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+  => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+   SCAN(12) on eb_0000000000000_0000_000002
+     => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+     => in schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+   SCAN(11) on eb_0000000000000_0000_000001
+     => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
+     => in schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.n_nationkey (INT4), num=32)
+
+SCAN(3) on default.nation_multifile as c
+  => target list: default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+  => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+  => in schema: {(4) default.c.n_comment (TEXT), default.c.n_name (TEXT), default.c.n_nationkey (INT4), default.c.n_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.a.c_nationkey (INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.n_nationkey (INT4), num=32)
+
+SELECTION(5)
+  => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.a.c_nationkey (INT4) = default.c.n_nationkey (INT4)
+     => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)
+     => out schema: {(7) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+     => in schema: {(8) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4), default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(14) on eb_0000000000000_0000_000004
+        => out schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+        => in schema: {(2) default.c.n_name (TEXT), default.c.n_nationkey (INT4)}
+      SCAN(13) on eb_0000000000000_0000_000003
+        => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+        => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000006 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.result b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.result
new file mode 100644
index 0000000..088420e
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.result
@@ -0,0 +1,7 @@
+o_orderkey,o_orderdate,o_custkey,c_custkey,c_name,n_nationkey,n_name
+-------------------------------
+1,1996-01-02,3,3,Customer#000000003,1,ARGENTINA
+2,1996-12-01,4,4,Customer#000000004,4,EGYPT
+3,1993-10-14,2,2,Customer#000000002,13,JORDAN
+null,null,null,1,Customer#000000001,15,MOROCCO
+null,null,null,5,Customer#000000005,3,CANADA

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash.plan
new file mode 100644
index 0000000..58ccb3c
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash.plan
@@ -0,0 +1,97 @@
+explain
+-------------------------------
+SORT(5)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+     => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(8) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+      SCAN(3) on default.testouterjoinandcasewhen1 as c
+        => target list: default.c.id (INT4), default.c.name (TEXT)
+        => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+        => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.id (INT4) = default.b.id (INT4)
+        => target list: default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)
+        => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+        => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+         SCAN(1) on default.testouterjoinandcasewhen2 as b
+           => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+           => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+           => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+         SCAN(0) on default.testouterjoinandcasewhen1 as a
+           => target list: default.a.id (INT4), default.a.name (TEXT)
+           => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+           => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (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.a.id (INT4), default.a.name (TEXT), num=32)
+
+[Enforcers]
+ 0: type=Broadcast, tables=default.b
+ 1: type=Broadcast, tables=default.c
+
+SORT(11)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+     => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(8) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+      SCAN(3) on default.testouterjoinandcasewhen1 as c
+        => target list: default.c.id (INT4), default.c.name (TEXT)
+        => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+        => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.id (INT4) = default.b.id (INT4)
+        => target list: default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)
+        => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+        => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+         SCAN(1) on default.testouterjoinandcasewhen2 as b
+           => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+           => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+           => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+         SCAN(0) on default.testouterjoinandcasewhen1 as a
+           => target list: default.a.id (INT4), default.a.name (TEXT)
+           => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+           => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000003
+
+SORT(5)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   SCAN(12) on eb_0000000000000_0000_000003
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (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/testOuterJoinAndCaseWhen1.Hash_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash_NoBroadcast.plan
new file mode 100644
index 0000000..e864dc9
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Hash_NoBroadcast.plan
@@ -0,0 +1,153 @@
+explain
+-------------------------------
+SORT(5)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+     => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(8) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+      SCAN(3) on default.testouterjoinandcasewhen1 as c
+        => target list: default.c.id (INT4), default.c.name (TEXT)
+        => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+        => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.id (INT4) = default.b.id (INT4)
+        => target list: default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)
+        => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+        => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+         SCAN(1) on default.testouterjoinandcasewhen2 as b
+           => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+           => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+           => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+         SCAN(0) on default.testouterjoinandcasewhen1 as a
+           => target list: default.a.id (INT4), default.a.name (TEXT)
+           => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+           => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
+explain
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000007)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000007
+   |-eb_0000000000000_0000_000006
+      |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000004
+         |-eb_0000000000000_0000_000003
+            |-eb_0000000000000_0000_000002
+            |-eb_0000000000000_0000_000001
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
+6: eb_0000000000000_0000_000006
+7: eb_0000000000000_0000_000007
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.id (INT4), num=32)
+
+SCAN(0) on default.testouterjoinandcasewhen1 as a
+  => target list: default.a.id (INT4), default.a.name (TEXT)
+  => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+  => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+
+SCAN(1) on default.testouterjoinandcasewhen2 as b
+  => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+  => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+  => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.id (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+
+JOIN(8)(LEFT_OUTER)
+  => Join Cond: default.a.id (INT4) = default.b.id (INT4)
+  => target list: default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)
+  => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+  => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+   SCAN(12) on eb_0000000000000_0000_000002
+     => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+   SCAN(11) on eb_0000000000000_0000_000001
+     => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+     => in schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.id (INT4), num=32)
+
+SCAN(3) on default.testouterjoinandcasewhen1 as c
+  => target list: default.c.id (INT4), default.c.name (TEXT)
+  => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+  => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.id (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
+
+SORT(15)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+     => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(8) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+      SCAN(14) on eb_0000000000000_0000_000004
+        => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+        => in schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+      SCAN(13) on eb_0000000000000_0000_000003
+        => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+        => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000006 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000005
+
+SORT(5)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   SCAN(16) on eb_0000000000000_0000_000005
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000007 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort.plan
new file mode 100644
index 0000000..58ccb3c
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort.plan
@@ -0,0 +1,97 @@
+explain
+-------------------------------
+SORT(5)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+     => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(8) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+      SCAN(3) on default.testouterjoinandcasewhen1 as c
+        => target list: default.c.id (INT4), default.c.name (TEXT)
+        => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+        => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.id (INT4) = default.b.id (INT4)
+        => target list: default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)
+        => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+        => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+         SCAN(1) on default.testouterjoinandcasewhen2 as b
+           => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+           => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+           => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+         SCAN(0) on default.testouterjoinandcasewhen1 as a
+           => target list: default.a.id (INT4), default.a.name (TEXT)
+           => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+           => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (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.a.id (INT4), default.a.name (TEXT), num=32)
+
+[Enforcers]
+ 0: type=Broadcast, tables=default.b
+ 1: type=Broadcast, tables=default.c
+
+SORT(11)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+     => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(8) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+      SCAN(3) on default.testouterjoinandcasewhen1 as c
+        => target list: default.c.id (INT4), default.c.name (TEXT)
+        => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+        => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.id (INT4) = default.b.id (INT4)
+        => target list: default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)
+        => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+        => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+         SCAN(1) on default.testouterjoinandcasewhen2 as b
+           => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+           => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+           => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+         SCAN(0) on default.testouterjoinandcasewhen1 as a
+           => target list: default.a.id (INT4), default.a.name (TEXT)
+           => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+           => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000003
+
+SORT(5)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   SCAN(12) on eb_0000000000000_0000_000003
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (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/testOuterJoinAndCaseWhen1.Sort_NoBroadcast.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort_NoBroadcast.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort_NoBroadcast.plan
new file mode 100644
index 0000000..e864dc9
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.Sort_NoBroadcast.plan
@@ -0,0 +1,153 @@
+explain
+-------------------------------
+SORT(5)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+     => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(8) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+      SCAN(3) on default.testouterjoinandcasewhen1 as c
+        => target list: default.c.id (INT4), default.c.name (TEXT)
+        => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+        => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+      JOIN(8)(LEFT_OUTER)
+        => Join Cond: default.a.id (INT4) = default.b.id (INT4)
+        => target list: default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)
+        => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+        => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+         SCAN(1) on default.testouterjoinandcasewhen2 as b
+           => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+           => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+           => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+         SCAN(0) on default.testouterjoinandcasewhen1 as a
+           => target list: default.a.id (INT4), default.a.name (TEXT)
+           => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+           => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
+explain
+-------------------------------
+-------------------------------------------------------------------------------
+Execution Block Graph (TERMINAL - eb_0000000000000_0000_000007)
+-------------------------------------------------------------------------------
+|-eb_0000000000000_0000_000007
+   |-eb_0000000000000_0000_000006
+      |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000004
+         |-eb_0000000000000_0000_000003
+            |-eb_0000000000000_0000_000002
+            |-eb_0000000000000_0000_000001
+-------------------------------------------------------------------------------
+Order of Execution
+-------------------------------------------------------------------------------
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
+6: eb_0000000000000_0000_000006
+7: eb_0000000000000_0000_000007
+-------------------------------------------------------------------------------
+
+=======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.id (INT4), num=32)
+
+SCAN(0) on default.testouterjoinandcasewhen1 as a
+  => target list: default.a.id (INT4), default.a.name (TEXT)
+  => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+  => in schema: {(4) default.a.id (INT4), default.a.name (TEXT), default.a.score (FLOAT4), default.a.type (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+
+SCAN(1) on default.testouterjoinandcasewhen2 as b
+  => target list: default.b.id (INT4), default.b.id (INT4) as id2, default.b.name (TEXT), default.b.name (TEXT) as name2
+  => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+  => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), default.b.score (FLOAT4), default.b.type (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.id (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+
+JOIN(8)(LEFT_OUTER)
+  => Join Cond: default.a.id (INT4) = default.b.id (INT4)
+  => target list: default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)
+  => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+  => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+   SCAN(12) on eb_0000000000000_0000_000002
+     => out schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(4) default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+   SCAN(11) on eb_0000000000000_0000_000001
+     => out schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+     => in schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000004 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.id (INT4), num=32)
+
+SCAN(3) on default.testouterjoinandcasewhen1 as c
+  => target list: default.c.id (INT4), default.c.name (TEXT)
+  => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+  => in schema: {(4) default.c.id (INT4), default.c.name (TEXT), default.c.score (FLOAT4), default.c.type (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 3 => 5 (type=HASH_SHUFFLE, key=default.b.id (INT4), num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.c.id (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
+
+SORT(15)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   JOIN(9)(LEFT_OUTER)
+     => Join Cond: default.b.id (INT4) = default.c.id (INT4)
+     => target list: CASE WHEN default.b.name (TEXT) IS NULL THEN 9991231 ELSE default.b.name (TEXT) END as c1, CASE WHEN default.c.name (TEXT) IS NULL THEN 9991231 ELSE default.c.name (TEXT) END as c2, default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(8) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), default.c.id (INT4), default.c.name (TEXT), id2 (INT4), name2 (TEXT)}
+      SCAN(14) on eb_0000000000000_0000_000004
+        => out schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+        => in schema: {(2) default.c.id (INT4), default.c.name (TEXT)}
+      SCAN(13) on eb_0000000000000_0000_000003
+        => out schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+        => in schema: {(6) default.a.id (INT4), default.a.name (TEXT), default.b.id (INT4), default.b.name (TEXT), id2 (INT4), name2 (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000006 [ROOT]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), default.a.name (TEXT), num=32)
+
+[Enforcers]
+ 0: sorted input=eb_0000000000000_0000_000005
+
+SORT(5)
+  => Sort Keys: default.a.id (INT4) (asc),default.a.name (TEXT) (asc)
+   SCAN(16) on eb_0000000000000_0000_000005
+     => out schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+     => in schema: {(6) c1 (TEXT), c2 (TEXT), default.a.id (INT4), default.a.name (TEXT), id2 (INT4), name2 (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000007 [TERMINAL]
+=======================================================

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.result
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.result b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.result
new file mode 100644
index 0000000..9a165a9
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testOuterJoinAndCaseWhen1.result
@@ -0,0 +1,7 @@
+id,name,id2,name2,c1,c2
+-------------------------------
+1,ooo,1,null,9991231,ooo
+2,ppp,2,null,9991231,ppp
+3,qqq,null,null,9991231,9991231
+4,rrr,null,null,9991231,9991231
+5,xxx,null,null,9991231,9991231

http://git-wip-us.apache.org/repos/asf/tajo/blob/4b1b7799/tajo-core/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
----------------------------------------------------------------------
diff --git a/tajo-core/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
new file mode 100644
index 0000000..98c044a
--- /dev/null
+++ b/tajo-core/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.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)(RIGHT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)
+     => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
+     => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
+      SCAN(1) on default.customer
+        => target list: default.customer.c_custkey (INT4)
+        => out schema: {(1) default.customer.c_custkey (INT4)}
+        => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+      SCAN(0) on default.orders
+        => target list: default.orders.o_orderkey (INT4)
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+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)(RIGHT_OUTER)
+     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
+     => target list: default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)
+     => out schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
+     => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
+      SCAN(1) on default.customer
+        => target list: default.customer.c_custkey (INT4)
+        => out schema: {(1) default.customer.c_custkey (INT4)}
+        => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
+      SCAN(0) on default.orders
+        => target list: default.orders.o_orderkey (INT4)
+        => out schema: {(1) default.orders.o_orderkey (INT4)}
+        => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_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: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
+     => in schema: {(2) default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [TERMINAL]
+=======================================================