带多个子查询的 subplan filter 算子 PKEY 分布式计划查询结果错误

obclient [SYS]> create table t1(c1 int,c2 int);
Query OK, 0 rows affected (0.076 sec)

obclient [SYS]> create table t2(c1 int,c2 int) partition by hash(c1) partitions 5;
Query OK, 0 rows affected (0.064 sec)

obclient [SYS]> create table t3(c1 int,c2 int) partition by hash(c1) partitions 5;
Query OK, 0 rows affected (0.041 sec)

obclient [SYS]> explain select (select t2.c1 from t2 where t2.c1 = t1.c1) as sql,
    -> (select t3.c1 from t3 where t3.c1 = t1.c2) as sq2 from t1;
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Query Plan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ==================================================================
|ID|OPERATOR                        |NAME    |EST. ROWS|COST     |
------------------------------------------------------------------
|0 |PX COORDINATOR                  |        |100000   |397926985|
|1 | EXCHANGE OUT DISTR             |:EX10001|100000   |397891626|
|2 |  SUBPLAN FILTER                |        |100000   |397891626|
|3 |   EXCHANGE IN DISTR            |        |100000   |74040    |
|4 |    EXCHANGE OUT DISTR (PKEY)   |:EX10000|100000   |38681    |
|5 |     TABLE SCAN                 |T1      |100000   |38681    |
|6 |   PX PARTITION ITERATOR        |        |4950     |1915     |
|7 |    TABLE SCAN                  |T2      |4950     |1915     |
|8 |   PX PARTITION ITERATOR        |        |4950     |1915     |
|9 |    TABLE SCAN                  |T3      |4950     |1915     |
==================================================================

Outputs & filters:
-------------------------------------
  0 - output([INTERNAL_FUNCTION(subquery(1), subquery(2))]), filter(nil)
  1 - output([INTERNAL_FUNCTION(subquery(1), subquery(2))]), filter(nil), dop=1
  2 - output([INTERNAL_FUNCTION(subquery(1), subquery(2))]), filter(nil),
      exec_params_([T1.C1], [T1.C2]), onetime_exprs_(nil), init_plan_idxs_(nil)
  3 - output([T1.C1], [T1.C2]), filter(nil)
  4 - (#keys=1, [T1.C2]), output([T1.C1], [T1.C2]), filter(nil), is_single, dop=1
  5 - output([T1.C1], [T1.C2]), filter(nil),
      access([T1.C1], [T1.C2]), partitions(p0)
  6 - output([T2.C1]), filter(nil)
  7 - output([T2.C1]), filter(nil),
      access([T2.C1]), partitions(p[0-4])
  8 - output([T3.C1]), filter(nil)
  9 - output([T3.C1]), filter(nil),
      access([T3.C1]), partitions(p[0-4])
 |
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.037 sec)