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forbid parallel right join or full join

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This commit is contained in:
wuyuechuan
2020-10-23 15:20:12 +08:00
parent 135e9833b6
commit 67c38e843e
4 changed files with 49 additions and 43 deletions
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2
src/test/regress/expected/hw_partition_interval_index.out
View File

@ -404,7 +404,7 @@ select relname, case when reltoastrelid > 0 then 'TRUE' else 'FALSE' end as has_
(3 rows)
insert into interval_sales values (generate_series(1,10), generate_series(1,10), generate_series(TO_DATE('2020-01-01', 'YYYY-MM-DD'),TO_DATE('2020-07-01', 'YYYY-MM-DD'),'1 day'), 1, 1, 1, 1);
select relname, case when reltoastrelid > 0 then 'TRUE' else 'FALSE' end as has_toastrelid, boundaries from pg_partition;
select relname, case when reltoastrelid > 0 then 'TRUE' else 'FALSE' end as has_toastrelid, boundaries from pg_partition order by relname;
relname | has_toastrelid | boundaries
----------------+----------------+------------------------------
interval_sales | FALSE |

76
src/test/regress/expected/parallel_hashjoin.out
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@ -4,18 +4,20 @@ insert into parallel_hashjoin_test_a select n from generate_series(1,1000) n;
insert into parallel_hashjoin_test_b select n from generate_series(1,10) n;
analyse parallel_hashjoin_test_a;
analyse parallel_hashjoin_test_b;
explain (costs off) select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10;
QUERY PLAN
--------------------------------------------------------------------------
Hash Left Join
Hash Cond: (parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id)
-> Seq Scan on parallel_hashjoin_test_a
Filter: (id < 10)
-> Hash
-> Seq Scan on parallel_hashjoin_test_b
(6 rows)
explain (costs off) select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10 order by parallel_hashjoin_test_a.id;
QUERY PLAN
--------------------------------------------------------------------------------
Sort
Sort Key: parallel_hashjoin_test_a.id
-> Hash Left Join
Hash Cond: (parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id)
-> Seq Scan on parallel_hashjoin_test_a
Filter: (id < 10)
-> Hash
-> Seq Scan on parallel_hashjoin_test_b
(8 rows)
select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10;
select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10 order by parallel_hashjoin_test_a.id;
id | id
----+----
1 | 1
@ -33,20 +35,22 @@ set parallel_setup_cost = 1;
set min_parallel_table_scan_size=0;
set parallel_tuple_cost = 0.01;
set enable_nestloop=off;
explain (costs off) select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10;
QUERY PLAN
--------------------------------------------------------------------------------
Gather
Number of Workers: 2
-> Hash Left Join
Hash Cond: (parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id)
-> Parallel Seq Scan on parallel_hashjoin_test_a
Filter: (id < 10)
-> Hash
-> Seq Scan on parallel_hashjoin_test_b
(8 rows)
explain (costs off) select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10 order by parallel_hashjoin_test_a.id;
QUERY PLAN
--------------------------------------------------------------------------------------
Sort
Sort Key: parallel_hashjoin_test_a.id
-> Gather
Number of Workers: 2
-> Hash Left Join
Hash Cond: (parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id)
-> Parallel Seq Scan on parallel_hashjoin_test_a
Filter: (id < 10)
-> Hash
-> Seq Scan on parallel_hashjoin_test_b
(10 rows)
select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10;
select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10 order by parallel_hashjoin_test_a.id;
id | id
----+----
1 | 1
@ -61,18 +65,20 @@ select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b
(9 rows)
-- Forbid parallel Hash Right Join or Hash Full Join.
explain (costs off)select * from parallel_hashjoin_test_a right outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id;
QUERY PLAN
--------------------------------------------------------------------------
Hash Right Join
Hash Cond: (parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id)
-> Seq Scan on parallel_hashjoin_test_a
-> Hash
-> Seq Scan on parallel_hashjoin_test_b
(5 rows)
explain (costs off)select * from parallel_hashjoin_test_a right outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id order by parallel_hashjoin_test_a.id;
QUERY PLAN
--------------------------------------------------------------------------------
Sort
Sort Key: parallel_hashjoin_test_a.id
-> Hash Right Join
Hash Cond: (parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id)
-> Seq Scan on parallel_hashjoin_test_a
-> Hash
-> Seq Scan on parallel_hashjoin_test_b
(7 rows)
select * from parallel_hashjoin_test_a right outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id;
id | id
select * from parallel_hashjoin_test_a right outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id order by parallel_hashjoin_test_a.id;
id | id
----+----
1 | 1
2 | 2

2
src/test/regress/sql/hw_partition_interval_index.sql
View File

@ -326,7 +326,7 @@ select relname, case when reltoastrelid > 0 then 'TRUE' else 'FALSE' end as has_
insert into interval_sales values (generate_series(1,10), generate_series(1,10), generate_series(TO_DATE('2020-01-01', 'YYYY-MM-DD'),TO_DATE('2020-07-01', 'YYYY-MM-DD'),'1 day'), 1, 1, 1, 1);
select relname, case when reltoastrelid > 0 then 'TRUE' else 'FALSE' end as has_toastrelid, boundaries from pg_partition;
select relname, case when reltoastrelid > 0 then 'TRUE' else 'FALSE' end as has_toastrelid, boundaries from pg_partition order by relname;
drop table interval_sales;

12
src/test/regress/sql/parallel_hashjoin.sql
View File

@ -4,19 +4,19 @@ insert into parallel_hashjoin_test_a select n from generate_series(1,1000) n;
insert into parallel_hashjoin_test_b select n from generate_series(1,10) n;
analyse parallel_hashjoin_test_a;
analyse parallel_hashjoin_test_b;
explain (costs off) select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10;
select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10;
explain (costs off) select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10 order by parallel_hashjoin_test_a.id;
select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10 order by parallel_hashjoin_test_a.id;
set parallel_setup_cost = 1;
set min_parallel_table_scan_size=0;
set parallel_tuple_cost = 0.01;
set enable_nestloop=off;
explain (costs off) select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10;
select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10;
explain (costs off) select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10 order by parallel_hashjoin_test_a.id;
select * from parallel_hashjoin_test_a left outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id where parallel_hashjoin_test_a.id < 10 order by parallel_hashjoin_test_a.id;
-- Forbid parallel Hash Right Join or Hash Full Join.
explain (costs off)select * from parallel_hashjoin_test_a right outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id;
select * from parallel_hashjoin_test_a right outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id;
explain (costs off)select * from parallel_hashjoin_test_a right outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id order by parallel_hashjoin_test_a.id;
select * from parallel_hashjoin_test_a right outer join parallel_hashjoin_test_b on parallel_hashjoin_test_a.id = parallel_hashjoin_test_b.id order by parallel_hashjoin_test_a.id;
reset parallel_setup_cost;
reset min_parallel_table_scan_size;