tajo-core-tests/src/test/resources/results/TestOuterJoinQuery/testLeftOuterJoinWithEmptyTable4.Sort.plan

explain
-------------------------------
UNION(8)
   PROJECTION(7)
     => Targets: ?max_5 (INT4), ?sum_6 (INT8), ?max_7 (TEXT), ?max_8 (TEXT)
     => out schema: {(4) ?max_5 (INT4), ?sum_6 (INT8), ?max_7 (TEXT), ?max_8 (TEXT)}
     => in  schema: {(4) ?max_5 (INT4), ?sum_6 (INT8), ?max_7 (TEXT), ?max_8 (TEXT)}
      GROUP_BY(10)()
        => exprs: (max(default.customer.c_custkey (INT4)),sum(default.empty_orders.o_orderkey (INT4)),max(default.empty_orders.o_orderstatus (TEXT)),max(default.empty_orders.o_orderdate (TEXT)))
        => target list: ?max_5 (INT4), ?sum_6 (INT8), ?max_7 (TEXT), ?max_8 (TEXT)
        => out schema:{(4) ?max_5 (INT4), ?max_7 (TEXT), ?max_8 (TEXT), ?sum_6 (INT8)}
        => in schema:{(4) default.customer.c_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)}
         JOIN(13)(LEFT_OUTER)
           => Join Cond: default.customer.c_custkey (INT4) = default.empty_orders.o_orderkey (INT4)
           => target list: default.customer.c_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)
           => out schema: {(4) default.customer.c_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)}
           => in schema: {(4) default.customer.c_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)}
            SCAN(5) on default.empty_orders
              => target list: default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)
              => out schema: {(3) default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)}
              => in schema: {(9) default.empty_orders.o_clerk (TEXT), default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderpriority (TEXT), default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority (INT4), default.empty_orders.o_totalprice (FLOAT8)}
            SCAN(4) 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)}
   PROJECTION(3)
     => Targets: ?max (INT4), ?sum_1 (INT8), ?max_2 (TEXT), ?max_3 (TEXT)
     => out schema: {(4) ?max (INT4), ?sum_1 (INT8), ?max_2 (TEXT), ?max_3 (TEXT)}
     => in  schema: {(4) ?max (INT4), ?sum_1 (INT8), ?max_2 (TEXT), ?max_3 (TEXT)}
      GROUP_BY(9)()
        => exprs: (max(default.customer.c_custkey (INT4)),sum(default.orders.o_orderkey (INT4)),max(default.orders.o_orderstatus (TEXT)),max(default.orders.o_orderdate (TEXT)))
        => target list: ?max (INT4), ?sum_1 (INT8), ?max_2 (TEXT), ?max_3 (TEXT)
        => out schema:{(4) ?max (INT4), ?max_2 (TEXT), ?max_3 (TEXT), ?sum_1 (INT8)}
        => in schema:{(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
         JOIN(12)(LEFT_OUTER)
           => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
           => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
           => out schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
           => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
            SCAN(1) on default.orders
              => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
              => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
              => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}
            SCAN(0) on default.customer
              => target list: default.customer.c_custkey (INT4)
              => out schema: {(1) default.customer.c_custkey (INT4)}
              => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}
explain
-------------------------------
-------------------------------------------------------------------------------
Execution Block Graph (TERMINAL - eb_0000000000000_0000_000009)
-------------------------------------------------------------------------------
|-eb_0000000000000_0000_000009
   |-eb_0000000000000_0000_000008
      |-eb_0000000000000_0000_000007
   |-eb_0000000000000_0000_000004
      |-eb_0000000000000_0000_000003
         |-eb_0000000000000_0000_000002
         |-eb_0000000000000_0000_000001
-------------------------------------------------------------------------------
Order of Execution
-------------------------------------------------------------------------------
1: eb_0000000000000_0000_000001
2: eb_0000000000000_0000_000002
3: eb_0000000000000_0000_000003
4: eb_0000000000000_0000_000007
5: eb_0000000000000_0000_000004
6: eb_0000000000000_0000_000008
7: eb_0000000000000_0000_000009
-------------------------------------------------------------------------------

=======================================================
Block Id: eb_0000000000000_0000_000001 [LEAF]
=======================================================

[Outgoing]
[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)

SCAN(0) on default.customer
  => target list: default.customer.c_custkey (INT4)
  => out schema: {(1) default.customer.c_custkey (INT4)}
  => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}

=======================================================
Block Id: eb_0000000000000_0000_000002 [LEAF]
=======================================================

[Outgoing]
[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)

SCAN(1) on default.orders
  => target list: default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
  => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
  => in schema: {(9) default.orders.o_clerk (TEXT), default.orders.o_comment (TEXT), default.orders.o_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderpriority (TEXT), default.orders.o_orderstatus (TEXT), default.orders.o_shippriority (INT4), default.orders.o_totalprice (FLOAT8)}

=======================================================
Block Id: eb_0000000000000_0000_000003 [INTERMEDIATE]
=======================================================

[Incoming]
[q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.customer.c_custkey (INT4), num=32)
[q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.orders.o_orderkey (INT4), num=32)

[Outgoing]
[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=, num=1)

GROUP_BY(17)()
  => exprs: (max(default.customer.c_custkey (INT4)),sum(default.orders.o_orderkey (INT4)),max(default.orders.o_orderstatus (TEXT)),max(default.orders.o_orderdate (TEXT)))
  => target list: ?max_12 (INT4), ?sum_13 (INT8), ?max_14 (TEXT), ?max_15 (TEXT)
  => out schema:{(4) ?max_12 (INT4), ?sum_13 (INT8), ?max_14 (TEXT), ?max_15 (TEXT)}
  => in schema:{(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
   JOIN(12)(LEFT_OUTER)
     => Join Cond: default.customer.c_custkey (INT4) = default.orders.o_orderkey (INT4)
     => target list: default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)
     => out schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
     => in schema: {(4) default.customer.c_custkey (INT4), default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
      SCAN(16) on eb_0000000000000_0000_000002
        => out schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
        => in schema: {(3) default.orders.o_orderdate (TEXT), default.orders.o_orderkey (INT4), default.orders.o_orderstatus (TEXT)}
      SCAN(15) on eb_0000000000000_0000_000001
        => out schema: {(1) default.customer.c_custkey (INT4)}
        => in schema: {(1) default.customer.c_custkey (INT4)}

=======================================================
Block Id: eb_0000000000000_0000_000007 [LEAF]
=======================================================

[Outgoing]
[q_0000000000000_0000] 7 => 8 (type=HASH_SHUFFLE, key=, num=1)

[Enforcers]
 0: type=Broadcast, tables=default.empty_orders

GROUP_BY(21)()
  => exprs: (max(default.customer.c_custkey (INT4)),sum(default.empty_orders.o_orderkey (INT4)),max(default.empty_orders.o_orderstatus (TEXT)),max(default.empty_orders.o_orderdate (TEXT)))
  => target list: ?max_16 (INT4), ?sum_17 (INT8), ?max_18 (TEXT), ?max_19 (TEXT)
  => out schema:{(4) ?max_16 (INT4), ?sum_17 (INT8), ?max_18 (TEXT), ?max_19 (TEXT)}
  => in schema:{(4) default.customer.c_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)}
   JOIN(13)(LEFT_OUTER)
     => Join Cond: default.customer.c_custkey (INT4) = default.empty_orders.o_orderkey (INT4)
     => target list: default.customer.c_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)
     => out schema: {(4) default.customer.c_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)}
     => in schema: {(4) default.customer.c_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)}
      SCAN(5) on default.empty_orders
        => target list: default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)
        => out schema: {(3) default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderstatus (TEXT)}
        => in schema: {(9) default.empty_orders.o_clerk (TEXT), default.empty_orders.o_comment (TEXT), default.empty_orders.o_custkey (INT4), default.empty_orders.o_orderdate (TEXT), default.empty_orders.o_orderkey (INT4), default.empty_orders.o_orderpriority (TEXT), default.empty_orders.o_orderstatus (TEXT), default.empty_orders.o_shippriority (INT4), default.empty_orders.o_totalprice (FLOAT8)}
      SCAN(4) on default.customer
        => target list: default.customer.c_custkey (INT4)
        => out schema: {(1) default.customer.c_custkey (INT4)}
        => in schema: {(8) default.customer.c_acctbal (FLOAT8), default.customer.c_address (TEXT), default.customer.c_comment (TEXT), default.customer.c_custkey (INT4), default.customer.c_mktsegment (TEXT), default.customer.c_name (TEXT), default.customer.c_nationkey (INT4), default.customer.c_phone (TEXT)}

=======================================================
Block Id: eb_0000000000000_0000_000004 [ROOT]
=======================================================

[Incoming]
[q_0000000000000_0000] 3 => 4 (type=HASH_SHUFFLE, key=, num=1)

GROUP_BY(9)()
  => exprs: (max(?max_12 (INT4)),sum(?sum_13 (INT8)),max(?max_14 (TEXT)),max(?max_15 (TEXT)))
  => target list: ?max (INT4), ?sum_1 (INT8), ?max_2 (TEXT), ?max_3 (TEXT)
  => out schema:{(4) ?max (INT4), ?max_2 (TEXT), ?max_3 (TEXT), ?sum_1 (INT8)}
  => in schema:{(4) ?max_12 (INT4), ?sum_13 (INT8), ?max_14 (TEXT), ?max_15 (TEXT)}
   SCAN(18) on eb_0000000000000_0000_000003
     => out schema: {(4) ?max_12 (INT4), ?sum_13 (INT8), ?max_14 (TEXT), ?max_15 (TEXT)}
     => in schema: {(4) ?max_12 (INT4), ?sum_13 (INT8), ?max_14 (TEXT), ?max_15 (TEXT)}

=======================================================
Block Id: eb_0000000000000_0000_000008 [ROOT]
=======================================================

[Incoming]
[q_0000000000000_0000] 7 => 8 (type=HASH_SHUFFLE, key=, num=1)

GROUP_BY(10)()
  => exprs: (max(?max_16 (INT4)),sum(?sum_17 (INT8)),max(?max_18 (TEXT)),max(?max_19 (TEXT)))
  => target list: ?max_5 (INT4), ?sum_6 (INT8), ?max_7 (TEXT), ?max_8 (TEXT)
  => out schema:{(4) ?max_5 (INT4), ?max_7 (TEXT), ?max_8 (TEXT), ?sum_6 (INT8)}
  => in schema:{(4) ?max_16 (INT4), ?sum_17 (INT8), ?max_18 (TEXT), ?max_19 (TEXT)}
   SCAN(22) on eb_0000000000000_0000_000007
     => out schema: {(4) ?max_16 (INT4), ?sum_17 (INT8), ?max_18 (TEXT), ?max_19 (TEXT)}
     => in schema: {(4) ?max_16 (INT4), ?sum_17 (INT8), ?max_18 (TEXT), ?max_19 (TEXT)}

=======================================================
Block Id: eb_0000000000000_0000_000009 [TERMINAL]
=======================================================