http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan
index 28c69e2..df7b416 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Hash.plan
@@ -25,23 +25,52 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey 
(INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment 
(TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), 
default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), 
default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
 
 SORT(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls 
last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => target list: default.customer.c_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey 
(INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => in schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => out schema: {(1) default.customer.c_custkey (INT4)}
-           => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan
index 28c69e2..df7b416 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull2.Sort.plan
@@ -25,23 +25,52 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey 
(INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment 
(TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), 
default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), 
default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
 
 SORT(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls 
last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => target list: default.customer.c_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey 
(INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => in schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => out schema: {(1) default.customer.c_custkey (INT4)}
-           => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan
index 27fa16f..27f7335 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Hash.plan
@@ -25,23 +25,52 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey 
(INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment 
(TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), 
default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), 
default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
 
 SORT(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls 
last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => target list: default.customer.c_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey 
(INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => in schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => out schema: {(1) default.customer.c_custkey (INT4)}
-           => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan
index 27fa16f..27f7335 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithNull3.Sort.plan
@@ -25,23 +25,52 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+
+SCAN(1) on default.orders
+  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey 
(INT4), default.orders.o_orderstatus (TEXT)
+  => out schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment 
(TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), 
default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), 
default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
 
 SORT(11)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls 
last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -52,14 +81,12 @@ SORT(11)
         => target list: default.customer.c_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
coalesce(default.orders.o_orderstatus (TEXT),N/A) as ?coalesce
         => out schema: {(4) ?coalesce (TEXT), default.customer.c_custkey 
(INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4)}
         => in schema: {(4) default.customer.c_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderstatus (TEXT)}
-         SCAN(1) on default.orders
-           => target list: default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
+         SCAN(10) on eb_0000000000000_0000_000002
            => out schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
-           => in schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-         SCAN(0) on default.customer
-           => target list: default.customer.c_custkey (INT4)
+           => in schema: {(3) default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
+         SCAN(9) on eb_0000000000000_0000_000001
            => out schema: {(1) default.customer.c_custkey (INT4)}
-           => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+           => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan
index 20f77b3..ac73ab9 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Hash.plan
@@ -22,19 +22,48 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000004)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000004
    |-eb_0000000000000_0000_000003
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.r_regionkey 
(INT4), num=32)
+
+SCAN(0) on default.region as a
+  => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4)
+  => out schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4)}
+  => in schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey 
(INT4), num=32)
+
+SCAN(1) on default.customer as b
+  => target list: default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), 
default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment 
(TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), 
default.b.c_phone (TEXT)
+  => out schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
+  => in schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), 
default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment 
(TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), 
default.b.c_phone (TEXT)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000003 [ROOT]
 =======================================================
 
-[Enforcers]
- 0: type=Broadcast, tables=default.b
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.r_regionkey 
(INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey 
(INT4), num=32)
 
 SELECTION(6)
   => Search Cond: default.a.r_name (TEXT) < default.b.c_name (TEXT)
@@ -43,12 +72,10 @@ SELECTION(6)
      => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)
      => out schema: {(11) default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
      => in schema: {(11) default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
-      SCAN(1) on default.customer as b
-        => target list: default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)
+      SCAN(10) on eb_0000000000000_0000_000002
         => out schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
         => in schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
-      SCAN(0) on default.region as a
-        => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4)
+      SCAN(9) on eb_0000000000000_0000_000001
         => out schema: {(3) default.a.r_comment (TEXT), default.a.r_name 
(TEXT), default.a.r_regionkey (INT4)}
         => in schema: {(3) default.a.r_comment (TEXT), default.a.r_name 
(TEXT), default.a.r_regionkey (INT4)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan
index 20f77b3..ac73ab9 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithThetaJoinConditionInWhere.Sort.plan
@@ -22,19 +22,48 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000004)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000004
    |-eb_0000000000000_0000_000003
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.r_regionkey 
(INT4), num=32)
+
+SCAN(0) on default.region as a
+  => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4)
+  => out schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4)}
+  => in schema: {(3) default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey 
(INT4), num=32)
+
+SCAN(1) on default.customer as b
+  => target list: default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), 
default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment 
(TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), 
default.b.c_phone (TEXT)
+  => out schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
+  => in schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address (TEXT), 
default.b.c_comment (TEXT), default.b.c_custkey (INT4), default.b.c_mktsegment 
(TEXT), default.b.c_name (TEXT), default.b.c_nationkey (INT4), 
default.b.c_phone (TEXT)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000003 [ROOT]
 =======================================================
 
-[Enforcers]
- 0: type=Broadcast, tables=default.b
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.r_regionkey 
(INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.c_custkey 
(INT4), num=32)
 
 SELECTION(6)
   => Search Cond: default.a.r_name (TEXT) < default.b.c_name (TEXT)
@@ -43,12 +72,10 @@ SELECTION(6)
      => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)
      => out schema: {(11) default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
      => in schema: {(11) default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4), default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
-      SCAN(1) on default.customer as b
-        => target list: default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)
+      SCAN(10) on eb_0000000000000_0000_000002
         => out schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
         => in schema: {(8) default.b.c_acctbal (FLOAT8), default.b.c_address 
(TEXT), default.b.c_comment (TEXT), default.b.c_custkey (INT4), 
default.b.c_mktsegment (TEXT), default.b.c_name (TEXT), default.b.c_nationkey 
(INT4), default.b.c_phone (TEXT)}
-      SCAN(0) on default.region as a
-        => target list: default.a.r_comment (TEXT), default.a.r_name (TEXT), 
default.a.r_regionkey (INT4)
+      SCAN(9) on eb_0000000000000_0000_000001
         => out schema: {(3) default.a.r_comment (TEXT), default.a.r_name 
(TEXT), default.a.r_regionkey (INT4)}
         => in schema: {(3) default.a.r_comment (TEXT), default.a.r_name 
(TEXT), default.a.r_regionkey (INT4)}
 

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
index 7b9c695..bfc571d 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Hash.plan
@@ -31,20 +31,51 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
+
+SCAN(0) on default.customer as a
+  => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4)
+  => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4)}
+  => in schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), 
default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment 
(TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), 
default.a.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_custkey 
(INT4), num=32)
+
+SCAN(1) on default.orders as b
+  => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), 
default.b.o_orderkey (INT4)
+  => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate 
(TEXT), default.b.o_orderkey (INT4)}
+  => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), 
default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey 
(INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), 
default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_custkey 
(INT4), num=32)
+
 [Enforcers]
- 0: type=Broadcast, tables=default.b
- 1: type=Broadcast, tables=default.c
+ 0: type=Broadcast, tables=default.c
 
 SELECTION(5)
   => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
@@ -62,14 +93,12 @@ SELECTION(5)
         => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate 
(TEXT), default.b.o_orderkey (INT4)
         => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), 
default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
         => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), 
default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
-         SCAN(1) on default.orders as b
-           => target list: default.b.o_custkey (INT4), default.b.o_orderdate 
(TEXT), default.b.o_orderkey (INT4)
+         SCAN(12) on eb_0000000000000_0000_000002
            => out schema: {(3) default.b.o_custkey (INT4), 
default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
-           => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment 
(TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), 
default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), 
default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), 
default.b.o_totalprice (FLOAT8)}
-         SCAN(0) on default.customer as a
-           => target list: default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4)
+           => in schema: {(3) default.b.o_custkey (INT4), 
default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(11) on eb_0000000000000_0000_000001
            => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4)}
-           => in schema: {(8) default.a.c_acctbal (FLOAT8), 
default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey 
(INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.a.c_phone (TEXT)}
+           => in schema: {(3) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
index 7b9c695..bfc571d 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testMultipleBroadcastDataFileWithZeroLength2.Sort.plan
@@ -31,20 +31,51 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000006)
 -------------------------------------------------------------------------------
 |-eb_0000000000000_0000_000006
    |-eb_0000000000000_0000_000005
+      |-eb_0000000000000_0000_000002
+      |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
 -------------------------------------------------------------------------------
 
 =======================================================
+Block Id: eb_0000000000000_0000_000001 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
+
+SCAN(0) on default.customer as a
+  => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4)
+  => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4)}
+  => in schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), 
default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment 
(TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), 
default.a.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_custkey 
(INT4), num=32)
+
+SCAN(1) on default.orders as b
+  => target list: default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), 
default.b.o_orderkey (INT4)
+  => out schema: {(3) default.b.o_custkey (INT4), default.b.o_orderdate 
(TEXT), default.b.o_orderkey (INT4)}
+  => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment (TEXT), 
default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), default.b.o_orderkey 
(INT4), default.b.o_orderpriority (TEXT), default.b.o_orderstatus (TEXT), 
default.b.o_shippriority (INT4), default.b.o_totalprice (FLOAT8)}
+
+=======================================================
 Block Id: eb_0000000000000_0000_000005 [ROOT]
 =======================================================
 
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.c_custkey 
(INT4), num=32)
+[q_0000000000000_0000] 2 => 5 (type=HASH_SHUFFLE, key=default.b.o_custkey 
(INT4), num=32)
+
 [Enforcers]
- 0: type=Broadcast, tables=default.b
- 1: type=Broadcast, tables=default.c
+ 0: type=Broadcast, tables=default.c
 
 SELECTION(5)
   => Search Cond: default.c.n_nationkey (INT4) IS NOT NULL
@@ -62,14 +93,12 @@ SELECTION(5)
         => target list: default.a.c_custkey (INT4), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.b.o_custkey (INT4), default.b.o_orderdate 
(TEXT), default.b.o_orderkey (INT4)
         => out schema: {(6) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), 
default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
         => in schema: {(6) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4), default.b.o_custkey (INT4), 
default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
-         SCAN(1) on default.orders as b
-           => target list: default.b.o_custkey (INT4), default.b.o_orderdate 
(TEXT), default.b.o_orderkey (INT4)
+         SCAN(12) on eb_0000000000000_0000_000002
            => out schema: {(3) default.b.o_custkey (INT4), 
default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
-           => in schema: {(9) default.b.o_clerk (TEXT), default.b.o_comment 
(TEXT), default.b.o_custkey (INT4), default.b.o_orderdate (TEXT), 
default.b.o_orderkey (INT4), default.b.o_orderpriority (TEXT), 
default.b.o_orderstatus (TEXT), default.b.o_shippriority (INT4), 
default.b.o_totalprice (FLOAT8)}
-         SCAN(0) on default.customer as a
-           => target list: default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4)
+           => in schema: {(3) default.b.o_custkey (INT4), 
default.b.o_orderdate (TEXT), default.b.o_orderkey (INT4)}
+         SCAN(11) on eb_0000000000000_0000_000001
            => out schema: {(3) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4)}
-           => in schema: {(8) default.a.c_acctbal (FLOAT8), 
default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey 
(INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), 
default.a.c_nationkey (INT4), default.a.c_phone (TEXT)}
+           => in schema: {(3) default.a.c_custkey (INT4), default.a.c_name 
(TEXT), default.a.c_nationkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [TERMINAL]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
index 66c22df..c421b35 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Hash.plan
@@ -23,23 +23,52 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.orders
+  => target list: default.orders.o_orderkey (INT4)
+  => out schema: {(1) default.orders.o_orderkey (INT4)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment 
(TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), 
default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), 
default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+
+SCAN(1) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
 
 SORT(10)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls 
last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -48,14 +77,12 @@ SORT(10)
      => target list: default.customer.c_custkey (INT4), 
default.orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.orders.o_orderkey (INT4)}
-      SCAN(1) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+      SCAN(9) on eb_0000000000000_0000_000002
         => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
-      SCAN(0) on default.orders
-        => target list: default.orders.o_orderkey (INT4)
+        => in schema: {(1) default.customer.c_custkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+        => in schema: {(1) default.orders.o_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan
index 66c22df..c421b35 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testRightOuterJoin1.Sort.plan
@@ -23,23 +23,52 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.orders
+  => target list: default.orders.o_orderkey (INT4)
+  => out schema: {(1) default.orders.o_orderkey (INT4)}
+  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment 
(TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), 
default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), 
default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), 
default.orders.o_totalprice (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+
+SCAN(1) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.orders.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.orders.o_orderkey (INT4), num=32)
 
 SORT(10)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls 
last),default.orders.o_orderkey (INT4) (asc, nulls last)
@@ -48,14 +77,12 @@ SORT(10)
      => target list: default.customer.c_custkey (INT4), 
default.orders.o_orderkey (INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.orders.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.orders.o_orderkey (INT4)}
-      SCAN(1) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+      SCAN(9) on eb_0000000000000_0000_000002
         => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
-      SCAN(0) on default.orders
-        => target list: default.orders.o_orderkey (INT4)
+        => in schema: {(1) default.customer.c_custkey (INT4)}
+      SCAN(8) on eb_0000000000000_0000_000001
         => out schema: {(1) default.orders.o_orderkey (INT4)}
-        => in schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+        => in schema: {(1) default.orders.o_orderkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Hash.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Hash.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Hash.plan
index dffcecb..6ee78dd 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Hash.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Hash.plan
@@ -31,23 +31,60 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.o.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.o.o_orderkey 
(INT4), num=32)
+
+TABLE_SUBQUERY(3) as default.o
+  => Targets: default.o.o_orderkey (INT4)
+  => out schema: {(1) default.o.o_orderkey (INT4)}
+  => in  schema: {(9) default.o.o_clerk (TEXT), default.o.o_comment (TEXT), 
default.o.o_custkey (INT4), default.o.o_orderdate (TEXT), default.o.o_orderkey 
(INT4), default.o.o_orderpriority (TEXT), default.o.o_orderstatus (TEXT), 
default.o.o_shippriority (INT4), default.o.o_totalprice (FLOAT8)}
+   PROJECTION(2)
+     => Targets: default.orders.o_orderkey (INT4), default.orders.o_custkey 
(INT4), default.orders.o_orderstatus (TEXT), default.orders.o_totalprice 
(FLOAT8), default.orders.o_orderdate (TEXT), default.orders.o_orderpriority 
(TEXT), default.orders.o_clerk (TEXT), default.orders.o_shippriority (INT4), 
default.orders.o_comment (TEXT)
+     => out schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+     => in  schema: {(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(1) on default.orders
+        => target list: 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)
+        => out schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+        => in schema: {(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.o.o_orderkey 
(INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.o.o_orderkey (INT4), num=32)
 
 SORT(12)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls 
last),default.o.o_orderkey (INT4) (asc, nulls last)
@@ -56,22 +93,12 @@ SORT(12)
      => target list: default.customer.c_custkey (INT4), default.o.o_orderkey 
(INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.o.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.o.o_orderkey (INT4)}
-      TABLE_SUBQUERY(3) as default.o
-        => Targets: default.o.o_orderkey (INT4)
+      SCAN(11) on eb_0000000000000_0000_000002
         => out schema: {(1) default.o.o_orderkey (INT4)}
-        => in  schema: {(9) default.o.o_clerk (TEXT), default.o.o_comment 
(TEXT), default.o.o_custkey (INT4), default.o.o_orderdate (TEXT), 
default.o.o_orderkey (INT4), default.o.o_orderpriority (TEXT), 
default.o.o_orderstatus (TEXT), default.o.o_shippriority (INT4), 
default.o.o_totalprice (FLOAT8)}
-         PROJECTION(2)
-           => Targets: default.orders.o_orderkey (INT4), 
default.orders.o_custkey (INT4), default.orders.o_orderstatus (TEXT), 
default.orders.o_totalprice (FLOAT8), default.orders.o_orderdate (TEXT), 
default.orders.o_orderpriority (TEXT), default.orders.o_clerk (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_comment (TEXT)
-           => out schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-           => in  schema: {(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(1) on default.orders
-              => target list: 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)
-              => out schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-              => in schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-      SCAN(0) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+        => in schema: {(1) default.o.o_orderkey (INT4)}
+      SCAN(10) on eb_0000000000000_0000_000001
         => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+        => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Sort.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Sort.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Sort.plan
index dffcecb..6ee78dd 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Sort.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithConstantExpr2.Sort.plan
@@ -31,23 +31,60 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000005)
 |-eb_0000000000000_0000_000005
    |-eb_0000000000000_0000_000004
       |-eb_0000000000000_0000_000003
+         |-eb_0000000000000_0000_000002
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000003
-2: eb_0000000000000_0000_000004
-3: eb_0000000000000_0000_000005
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000002
+3: eb_0000000000000_0000_000003
+4: eb_0000000000000_0000_000004
+5: eb_0000000000000_0000_000005
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000003 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.o.o_orderkey (INT4), num=32)
+[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, 
key=default.customer.c_custkey (INT4), num=32)
 
-[Enforcers]
- 0: type=Broadcast, tables=default.orders
+SCAN(0) on default.customer
+  => target list: default.customer.c_custkey (INT4)
+  => out schema: {(1) default.customer.c_custkey (INT4)}
+  => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000002 [LEAF]
+=======================================================
+
+[Outgoing]
+[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.o.o_orderkey 
(INT4), num=32)
+
+TABLE_SUBQUERY(3) as default.o
+  => Targets: default.o.o_orderkey (INT4)
+  => out schema: {(1) default.o.o_orderkey (INT4)}
+  => in  schema: {(9) default.o.o_clerk (TEXT), default.o.o_comment (TEXT), 
default.o.o_custkey (INT4), default.o.o_orderdate (TEXT), default.o.o_orderkey 
(INT4), default.o.o_orderpriority (TEXT), default.o.o_orderstatus (TEXT), 
default.o.o_shippriority (INT4), default.o.o_totalprice (FLOAT8)}
+   PROJECTION(2)
+     => Targets: default.orders.o_orderkey (INT4), default.orders.o_custkey 
(INT4), default.orders.o_orderstatus (TEXT), default.orders.o_totalprice 
(FLOAT8), default.orders.o_orderdate (TEXT), default.orders.o_orderpriority 
(TEXT), default.orders.o_clerk (TEXT), default.orders.o_shippriority (INT4), 
default.orders.o_comment (TEXT)
+     => out schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+     => in  schema: {(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(1) on default.orders
+        => target list: 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)
+        => out schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
+        => in schema: {(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.o.o_orderkey 
(INT4), num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 3 => 4 (type=RANGE_SHUFFLE, 
key=default.customer.c_custkey (INT4), default.o.o_orderkey (INT4), num=32)
 
 SORT(12)
   => Sort Keys: default.customer.c_custkey (INT4) (asc, nulls 
last),default.o.o_orderkey (INT4) (asc, nulls last)
@@ -56,22 +93,12 @@ SORT(12)
      => target list: default.customer.c_custkey (INT4), default.o.o_orderkey 
(INT4)
      => out schema: {(2) default.customer.c_custkey (INT4), 
default.o.o_orderkey (INT4)}
      => in schema: {(2) default.customer.c_custkey (INT4), 
default.o.o_orderkey (INT4)}
-      TABLE_SUBQUERY(3) as default.o
-        => Targets: default.o.o_orderkey (INT4)
+      SCAN(11) on eb_0000000000000_0000_000002
         => out schema: {(1) default.o.o_orderkey (INT4)}
-        => in  schema: {(9) default.o.o_clerk (TEXT), default.o.o_comment 
(TEXT), default.o.o_custkey (INT4), default.o.o_orderdate (TEXT), 
default.o.o_orderkey (INT4), default.o.o_orderpriority (TEXT), 
default.o.o_orderstatus (TEXT), default.o.o_shippriority (INT4), 
default.o.o_totalprice (FLOAT8)}
-         PROJECTION(2)
-           => Targets: default.orders.o_orderkey (INT4), 
default.orders.o_custkey (INT4), default.orders.o_orderstatus (TEXT), 
default.orders.o_totalprice (FLOAT8), default.orders.o_orderdate (TEXT), 
default.orders.o_orderpriority (TEXT), default.orders.o_clerk (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_comment (TEXT)
-           => out schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-           => in  schema: {(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(1) on default.orders
-              => target list: 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)
-              => out schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-              => in schema: {(9) default.orders.o_clerk (TEXT), 
default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), 
default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), 
default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), 
default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
-      SCAN(0) on default.customer
-        => target list: default.customer.c_custkey (INT4)
+        => in schema: {(1) default.o.o_orderkey (INT4)}
+      SCAN(10) on eb_0000000000000_0000_000001
         => out schema: {(1) default.customer.c_custkey (INT4)}
-        => in schema: {(8) default.customer.c_acctbal (FLOAT8), 
default.customer.c_address (TEXT), default.customer.c_comment (TEXT), 
default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), 
default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), 
default.customer.c_phone (TEXT)}
+        => in schema: {(1) default.customer.c_custkey (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000004 [ROOT]

http://git-wip-us.apache.org/repos/asf/tajo/blob/0c9b6a6e/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithEmptySubquery1.1.Hash.plan
----------------------------------------------------------------------
diff --git 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithEmptySubquery1.1.Hash.plan
 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithEmptySubquery1.1.Hash.plan
index e800b21..24829f4 100644
--- 
a/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithEmptySubquery1.1.Hash.plan
+++ 
b/tajo-core-tests/src/test/resources/results/TestOuterJoinWithSubQuery/testLeftOuterJoinWithEmptySubquery1.1.Hash.plan
@@ -37,24 +37,73 @@ Execution Block Graph (TERMINAL - 
eb_0000000000000_0000_000007)
 |-eb_0000000000000_0000_000007
    |-eb_0000000000000_0000_000006
       |-eb_0000000000000_0000_000005
+         |-eb_0000000000000_0000_000004
+         |-eb_0000000000000_0000_000001
 -------------------------------------------------------------------------------
 Order of Execution
 -------------------------------------------------------------------------------
-1: eb_0000000000000_0000_000005
-2: eb_0000000000000_0000_000006
-3: eb_0000000000000_0000_000007
+1: eb_0000000000000_0000_000001
+2: eb_0000000000000_0000_000004
+3: eb_0000000000000_0000_000005
+4: eb_0000000000000_0000_000006
+5: eb_0000000000000_0000_000007
 -------------------------------------------------------------------------------
 
 =======================================================
-Block Id: eb_0000000000000_0000_000005 [LEAF]
+Block Id: eb_0000000000000_0000_000001 [LEAF]
 =======================================================
 
 [Outgoing]
-[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), 
num=32)
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.id (INT4), 
num=32)
+
+SCAN(0) on default.jointable11 as a
+  => target list: default.a.id (INT4)
+  => out schema: {(1) default.a.id (INT4)}
+  => 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.b.id (INT4), 
num=32)
 
 [Enforcers]
  0: type=Broadcast, tables=default.jointable12
- 1: type=Broadcast, tables=default.lineitem
+
+TABLE_SUBQUERY(5) as default.b
+  => Targets: default.b.id (INT4)
+  => out schema: {(1) default.b.id (INT4)}
+  => in  schema: {(1) default.b.id (INT4)}
+   PROJECTION(4)
+     => Targets: default.jointable12.id (INT4)
+     => out schema: {(1) default.jointable12.id (INT4)}
+     => in  schema: {(1) default.jointable12.id (INT4)}
+      JOIN(10)(INNER)
+        => Join Cond: default.jointable12.id (INT4) = 
default.lineitem.l_orderkey (INT4)
+        => target list: default.jointable12.id (INT4)
+        => out schema: {(1) default.jointable12.id (INT4)}
+        => in schema: {(2) default.jointable12.id (INT4), 
default.lineitem.l_orderkey (INT4)}
+         SCAN(1) on default.jointable12
+           => filter: default.jointable12.id (INT4) > 10
+           => target list: default.jointable12.id (INT4)
+           => out schema: {(1) default.jointable12.id (INT4)}
+           => in schema: {(2) default.jointable12.id (INT4), 
default.jointable12.name (TEXT)}
+         SCAN(2) on default.lineitem
+           => target list: default.lineitem.l_orderkey (INT4)
+           => out schema: {(1) default.lineitem.l_orderkey (INT4)}
+           => in schema: {(16) default.lineitem.l_comment (TEXT), 
default.lineitem.l_commitdate (TEXT), default.lineitem.l_discount (FLOAT8), 
default.lineitem.l_extendedprice (FLOAT8), default.lineitem.l_linenumber 
(INT4), default.lineitem.l_linestatus (TEXT), default.lineitem.l_orderkey 
(INT4), default.lineitem.l_partkey (INT4), default.lineitem.l_quantity 
(FLOAT8), default.lineitem.l_receiptdate (TEXT), default.lineitem.l_returnflag 
(TEXT), default.lineitem.l_shipdate (TEXT), default.lineitem.l_shipinstruct 
(TEXT), default.lineitem.l_shipmode (TEXT), default.lineitem.l_suppkey (INT4), 
default.lineitem.l_tax (FLOAT8)}
+
+=======================================================
+Block Id: eb_0000000000000_0000_000005 [INTERMEDIATE]
+=======================================================
+
+[Incoming]
+[q_0000000000000_0000] 1 => 5 (type=HASH_SHUFFLE, key=default.a.id (INT4), 
num=32)
+[q_0000000000000_0000] 4 => 5 (type=HASH_SHUFFLE, key=default.b.id (INT4), 
num=32)
+
+[Outgoing]
+[q_0000000000000_0000] 5 => 6 (type=RANGE_SHUFFLE, key=default.a.id (INT4), 
num=32)
 
 SORT(17)
   => Sort Keys: default.a.id (INT4) (asc, nulls last)
@@ -63,32 +112,12 @@ SORT(17)
      => target list: default.a.id (INT4), default.b.id (INT4)
      => out schema: {(2) default.a.id (INT4), default.b.id (INT4)}
      => in schema: {(2) default.a.id (INT4), default.b.id (INT4)}
-      TABLE_SUBQUERY(5) as default.b
-        => Targets: default.b.id (INT4)
+      SCAN(16) on eb_0000000000000_0000_000004
         => out schema: {(1) default.b.id (INT4)}
-        => in  schema: {(1) default.b.id (INT4)}
-         PROJECTION(4)
-           => Targets: default.jointable12.id (INT4)
-           => out schema: {(1) default.jointable12.id (INT4)}
-           => in  schema: {(1) default.jointable12.id (INT4)}
-            JOIN(10)(INNER)
-              => Join Cond: default.jointable12.id (INT4) = 
default.lineitem.l_orderkey (INT4)
-              => target list: default.jointable12.id (INT4)
-              => out schema: {(1) default.jointable12.id (INT4)}
-              => in schema: {(2) default.jointable12.id (INT4), 
default.lineitem.l_orderkey (INT4)}
-               SCAN(1) on default.jointable12
-                 => filter: default.jointable12.id (INT4) > 10
-                 => target list: default.jointable12.id (INT4)
-                 => out schema: {(1) default.jointable12.id (INT4)}
-                 => in schema: {(2) default.jointable12.id (INT4), 
default.jointable12.name (TEXT)}
-               SCAN(2) on default.lineitem
-                 => target list: default.lineitem.l_orderkey (INT4)
-                 => out schema: {(1) default.lineitem.l_orderkey (INT4)}
-                 => in schema: {(16) default.lineitem.l_comment (TEXT), 
default.lineitem.l_commitdate (TEXT), default.lineitem.l_discount (FLOAT8), 
default.lineitem.l_extendedprice (FLOAT8), default.lineitem.l_linenumber 
(INT4), default.lineitem.l_linestatus (TEXT), default.lineitem.l_orderkey 
(INT4), default.lineitem.l_partkey (INT4), default.lineitem.l_quantity 
(FLOAT8), default.lineitem.l_receiptdate (TEXT), default.lineitem.l_returnflag 
(TEXT), default.lineitem.l_shipdate (TEXT), default.lineitem.l_shipinstruct 
(TEXT), default.lineitem.l_shipmode (TEXT), default.lineitem.l_suppkey (INT4), 
default.lineitem.l_tax (FLOAT8)}
-      SCAN(0) on default.jointable11 as a
-        => target list: default.a.id (INT4)
+        => in schema: {(1) default.b.id (INT4)}
+      SCAN(15) on eb_0000000000000_0000_000001
         => out schema: {(1) default.a.id (INT4)}
-        => in schema: {(2) default.a.id (INT4), default.a.name (TEXT)}
+        => in schema: {(1) default.a.id (INT4)}
 
 =======================================================
 Block Id: eb_0000000000000_0000_000006 [ROOT]

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