diff options
Diffstat (limited to 'src/test')
| -rw-r--r-- | src/test/regress/expected/select_parallel.out | 35 | ||||
| -rw-r--r-- | src/test/regress/sql/select_parallel.sql | 17 |
2 files changed, 52 insertions, 0 deletions
diff --git a/src/test/regress/expected/select_parallel.out b/src/test/regress/expected/select_parallel.out index 06aeddd8055..d1d5b228ce0 100644 --- a/src/test/regress/expected/select_parallel.out +++ b/src/test/regress/expected/select_parallel.out @@ -202,6 +202,41 @@ explain (costs off) (4 rows) alter table tenk2 reset (parallel_workers); +-- test parallel plan for a query containing initplan. +set enable_indexscan = off; +set enable_indexonlyscan = off; +set enable_bitmapscan = off; +alter table tenk2 set (parallel_workers = 2); +explain (costs off) + select count(*) from tenk1 + where tenk1.unique1 = (Select max(tenk2.unique1) from tenk2); + QUERY PLAN +------------------------------------------------------ + Aggregate + InitPlan 1 (returns $2) + -> Finalize Aggregate + -> Gather + Workers Planned: 2 + -> Partial Aggregate + -> Parallel Seq Scan on tenk2 + -> Gather + Workers Planned: 4 + Params Evaluated: $2 + -> Parallel Seq Scan on tenk1 + Filter: (unique1 = $2) +(12 rows) + +select count(*) from tenk1 + where tenk1.unique1 = (Select max(tenk2.unique1) from tenk2); + count +------- + 1 +(1 row) + +reset enable_indexscan; +reset enable_indexonlyscan; +reset enable_bitmapscan; +alter table tenk2 reset (parallel_workers); -- test parallel index scans. set enable_seqscan to off; set enable_bitmapscan to off; diff --git a/src/test/regress/sql/select_parallel.sql b/src/test/regress/sql/select_parallel.sql index b701b35408e..bb4e34adbe0 100644 --- a/src/test/regress/sql/select_parallel.sql +++ b/src/test/regress/sql/select_parallel.sql @@ -74,6 +74,23 @@ explain (costs off) (select ten from tenk2); alter table tenk2 reset (parallel_workers); +-- test parallel plan for a query containing initplan. +set enable_indexscan = off; +set enable_indexonlyscan = off; +set enable_bitmapscan = off; +alter table tenk2 set (parallel_workers = 2); + +explain (costs off) + select count(*) from tenk1 + where tenk1.unique1 = (Select max(tenk2.unique1) from tenk2); +select count(*) from tenk1 + where tenk1.unique1 = (Select max(tenk2.unique1) from tenk2); + +reset enable_indexscan; +reset enable_indexonlyscan; +reset enable_bitmapscan; +alter table tenk2 reset (parallel_workers); + -- test parallel index scans. set enable_seqscan to off; set enable_bitmapscan to off; |