Add partition_wise_join to avoid big alternative output

There was a small part in multi_partitioning that would need an
alternative output for pg14. Instead of adding an alternative for the
whole file, we created a new file, called partition_wise_join.sql and
added the alternative output for that.
pull/5209/head
Sait Talha Nisanci 2021-08-20 09:38:41 +03:00
parent 375a1adc9e
commit 6b65dbc492
6 changed files with 479 additions and 236 deletions

View File

@ -1616,194 +1616,6 @@ SELECT * FROM lockinfo;
(20 rows)
COMMIT;
-- test partition-wise join
CREATE TABLE partitioning_hash_join_test(id int, subid int) PARTITION BY HASH(subid);
CREATE TABLE partitioning_hash_join_test_0 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 0);
CREATE TABLE partitioning_hash_join_test_1 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 1);
CREATE TABLE partitioning_hash_join_test_2 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 2);
SELECT create_distributed_table('partitioning_hash_join_test', 'id');
create_distributed_table
---------------------------------------------------------------------
(1 row)
SELECT success FROM run_command_on_workers('alter system set enable_mergejoin to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_nestloop to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_indexscan to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_indexonlyscan to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
success
---------------------------------------------------------------------
t
t
(2 rows)
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Hash Join
Hash Cond: ((partitioning_hash_join_test_xxx.id = partitioning_hash_test_xxx.id) AND (partitioning_hash_join_test_xxx.subid = partitioning_hash_test_xxx.subid))
-> Append
-> Seq Scan on partitioning_hash_join_test_0_1660133 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_1_1660137 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_2_1660141 partitioning_hash_join_test_xxx
-> Hash
-> Append
-> Seq Scan on partitioning_hash_test_0_1660016 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_1_1660020 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_2_1660032 partitioning_hash_test_xxx
(16 rows)
-- set partition-wise join on and parallel to off
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to on');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
success
---------------------------------------------------------------------
t
t
(2 rows)
SET enable_partitionwise_join TO on;
ANALYZE partitioning_hash_test, partitioning_hash_join_test;
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Append
-> Hash Join
Hash Cond: ((partitioning_hash_join_test_xxx.id = partitioning_hash_test_xxx.id) AND (partitioning_hash_join_test_xxx.subid = partitioning_hash_test_xxx.subid))
-> Seq Scan on partitioning_hash_join_test_0_1660133 partitioning_hash_join_test_xxx
-> Hash
-> Seq Scan on partitioning_hash_test_0_1660016 partitioning_hash_test_xxx
-> Hash Join
Hash Cond: ((partitioning_hash_test_xxx.id = partitioning_hash_join_test_xxx.id) AND (partitioning_hash_test_xxx.subid = partitioning_hash_join_test_xxx.subid))
-> Seq Scan on partitioning_hash_test_1_1660020 partitioning_hash_test_xxx
-> Hash
-> Seq Scan on partitioning_hash_join_test_1_1660137 partitioning_hash_join_test_xxx
-> Hash Join
Hash Cond: ((partitioning_hash_join_test_xxx.id = partitioning_hash_test_xxx.id) AND (partitioning_hash_join_test_xxx.subid = partitioning_hash_test_xxx.subid))
-> Seq Scan on partitioning_hash_join_test_2_1660141 partitioning_hash_join_test_xxx
-> Hash
-> Seq Scan on partitioning_hash_test_2_1660032 partitioning_hash_test_xxx
(21 rows)
-- note that partition-wise joins only work when partition key is in the join
-- following join does not have that, therefore join will not be pushed down to
-- partitions
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id);
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Hash Join
Hash Cond: (partitioning_hash_join_test_xxx.id = partitioning_hash_test_xxx.id)
-> Append
-> Seq Scan on partitioning_hash_join_test_0_1660133 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_1_1660137 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_2_1660141 partitioning_hash_join_test_xxx
-> Hash
-> Append
-> Seq Scan on partitioning_hash_test_0_1660016 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_1_1660020 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_2_1660032 partitioning_hash_test_xxx
(16 rows)
-- reset partition-wise join
SELECT success FROM run_command_on_workers('alter system reset enable_partitionwise_join');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_mergejoin');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_nestloop');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_indexscan');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_indexonlyscan');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
success
---------------------------------------------------------------------
t
t
(2 rows)
RESET enable_partitionwise_join;
DROP VIEW lockinfo;
DROP TABLE
IF EXISTS
@ -2069,10 +1881,9 @@ SELECT fix_pre_citus10_partitioned_table_constraint_names();
---------------------------------------------------------------------
partitioning_test
"schema-test"
public.partitioning_hash_join_test
public.partitioning_hash_test
public.partitioning_test_failure
(5 rows)
(4 rows)
-- the following should fail
SELECT fix_pre_citus10_partitioned_table_constraint_names('public.non_distributed_partitioned_table');
@ -2248,7 +2059,6 @@ drop cascades to table distributed_parent_table
RESET search_path;
DROP TABLE IF EXISTS
partitioning_hash_test,
partitioning_hash_join_test,
partitioning_test_failure,
non_distributed_partitioned_table,
partitioning_test_foreign_key;

View File

@ -0,0 +1,208 @@
CREATE SCHEMA partition_wise_join;
SET search_path to partition_wise_join;
CREATE TABLE partitioning_hash_test(id int, subid int) PARTITION BY HASH(subid);
CREATE TABLE partitioning_hash_test_0 PARTITION OF partitioning_hash_test FOR VALUES WITH (MODULUS 3, REMAINDER 0);
CREATE TABLE partitioning_hash_test_1 PARTITION OF partitioning_hash_test FOR VALUES WITH (MODULUS 3, REMAINDER 1);
INSERT INTO partitioning_hash_test VALUES (1, 2);
INSERT INTO partitioning_hash_test VALUES (2, 13);
INSERT INTO partitioning_hash_test VALUES (3, 7);
INSERT INTO partitioning_hash_test VALUES (4, 4);
-- distribute partitioned table
SELECT create_distributed_table('partitioning_hash_test', 'id');
NOTICE: Copying data from local table...
NOTICE: copying the data has completed
DETAIL: The local data in the table is no longer visible, but is still on disk.
HINT: To remove the local data, run: SELECT truncate_local_data_after_distributing_table($$partition_wise_join.partitioning_hash_test_0$$)
NOTICE: Copying data from local table...
NOTICE: copying the data has completed
DETAIL: The local data in the table is no longer visible, but is still on disk.
HINT: To remove the local data, run: SELECT truncate_local_data_after_distributing_table($$partition_wise_join.partitioning_hash_test_1$$)
create_distributed_table
---------------------------------------------------------------------
(1 row)
-- test partition-wise join
CREATE TABLE partitioning_hash_join_test(id int, subid int) PARTITION BY HASH(subid);
CREATE TABLE partitioning_hash_join_test_0 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 0);
CREATE TABLE partitioning_hash_join_test_1 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 1);
CREATE TABLE partitioning_hash_join_test_2 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 2);
SELECT create_distributed_table('partitioning_hash_join_test', 'id');
create_distributed_table
---------------------------------------------------------------------
(1 row)
SELECT success FROM run_command_on_workers('alter system set enable_mergejoin to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_nestloop to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_indexscan to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_indexonlyscan to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
success
---------------------------------------------------------------------
t
t
(2 rows)
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Hash Join
Hash Cond: ((partitioning_hash_join_test_xxx.id = partitioning_hash_test_xxx.id) AND (partitioning_hash_join_test_xxx.subid = partitioning_hash_test_xxx.subid))
-> Append
-> Seq Scan on partitioning_hash_join_test_0_360163 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_1_360167 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_2_360171 partitioning_hash_join_test_xxx
-> Hash
-> Append
-> Seq Scan on partitioning_hash_test_0_360151 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_1_360155 partitioning_hash_test_xxx
(15 rows)
-- set partition-wise join on and parallel to off
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to on');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
success
---------------------------------------------------------------------
t
t
(2 rows)
-- SET enable_partitionwise_join TO on;
ANALYZE partitioning_hash_test, partitioning_hash_join_test;
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Hash Join
Hash Cond: ((partitioning_hash_test_xxx.id = partitioning_hash_join_test_xxx.id) AND (partitioning_hash_test_xxx.subid = partitioning_hash_join_test_xxx.subid))
-> Append
-> Seq Scan on partitioning_hash_test_0_360151 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_1_360155 partitioning_hash_test_xxx
-> Hash
-> Append
-> Seq Scan on partitioning_hash_join_test_0_360163 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_1_360167 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_2_360171 partitioning_hash_join_test_xxx
(15 rows)
-- note that partition-wise joins only work when partition key is in the join
-- following join does not have that, therefore join will not be pushed down to
-- partitions
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id);
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Hash Join
Hash Cond: (partitioning_hash_test_xxx.id = partitioning_hash_join_test_xxx.id)
-> Append
-> Seq Scan on partitioning_hash_test_0_360151 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_1_360155 partitioning_hash_test_xxx
-> Hash
-> Append
-> Seq Scan on partitioning_hash_join_test_0_360163 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_1_360167 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_2_360171 partitioning_hash_join_test_xxx
(15 rows)
-- reset partition-wise join
SELECT success FROM run_command_on_workers('alter system reset enable_partitionwise_join');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_mergejoin');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_nestloop');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_indexscan');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_indexonlyscan');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
success
---------------------------------------------------------------------
t
t
(2 rows)
RESET enable_partitionwise_join;
DROP SCHEMA partition_wise_join CASCADE;
NOTICE: drop cascades to 2 other objects
DETAIL: drop cascades to table partitioning_hash_test
drop cascades to table partitioning_hash_join_test

View File

@ -0,0 +1,208 @@
CREATE SCHEMA partition_wise_join;
SET search_path to partition_wise_join;
CREATE TABLE partitioning_hash_test(id int, subid int) PARTITION BY HASH(subid);
CREATE TABLE partitioning_hash_test_0 PARTITION OF partitioning_hash_test FOR VALUES WITH (MODULUS 3, REMAINDER 0);
CREATE TABLE partitioning_hash_test_1 PARTITION OF partitioning_hash_test FOR VALUES WITH (MODULUS 3, REMAINDER 1);
INSERT INTO partitioning_hash_test VALUES (1, 2);
INSERT INTO partitioning_hash_test VALUES (2, 13);
INSERT INTO partitioning_hash_test VALUES (3, 7);
INSERT INTO partitioning_hash_test VALUES (4, 4);
-- distribute partitioned table
SELECT create_distributed_table('partitioning_hash_test', 'id');
NOTICE: Copying data from local table...
NOTICE: copying the data has completed
DETAIL: The local data in the table is no longer visible, but is still on disk.
HINT: To remove the local data, run: SELECT truncate_local_data_after_distributing_table($$partition_wise_join.partitioning_hash_test_0$$)
NOTICE: Copying data from local table...
NOTICE: copying the data has completed
DETAIL: The local data in the table is no longer visible, but is still on disk.
HINT: To remove the local data, run: SELECT truncate_local_data_after_distributing_table($$partition_wise_join.partitioning_hash_test_1$$)
create_distributed_table
---------------------------------------------------------------------
(1 row)
-- test partition-wise join
CREATE TABLE partitioning_hash_join_test(id int, subid int) PARTITION BY HASH(subid);
CREATE TABLE partitioning_hash_join_test_0 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 0);
CREATE TABLE partitioning_hash_join_test_1 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 1);
CREATE TABLE partitioning_hash_join_test_2 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 2);
SELECT create_distributed_table('partitioning_hash_join_test', 'id');
create_distributed_table
---------------------------------------------------------------------
(1 row)
SELECT success FROM run_command_on_workers('alter system set enable_mergejoin to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_nestloop to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_indexscan to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_indexonlyscan to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to off');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
success
---------------------------------------------------------------------
t
t
(2 rows)
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Hash Join
Hash Cond: ((partitioning_hash_join_test_xxx.id = partitioning_hash_test_xxx.id) AND (partitioning_hash_join_test_xxx.subid = partitioning_hash_test_xxx.subid))
-> Append
-> Seq Scan on partitioning_hash_join_test_0_360163 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_1_360167 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_2_360171 partitioning_hash_join_test_xxx
-> Hash
-> Append
-> Seq Scan on partitioning_hash_test_0_360151 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_1_360155 partitioning_hash_test_xxx
(15 rows)
-- set partition-wise join on and parallel to off
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to on');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
success
---------------------------------------------------------------------
t
t
(2 rows)
-- SET enable_partitionwise_join TO on;
ANALYZE partitioning_hash_test, partitioning_hash_join_test;
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Hash Join
Hash Cond: ((partitioning_hash_join_test_xxx.id = partitioning_hash_test_xxx.id) AND (partitioning_hash_join_test_xxx.subid = partitioning_hash_test_xxx.subid))
-> Append
-> Seq Scan on partitioning_hash_join_test_0_360163 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_1_360167 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_2_360171 partitioning_hash_join_test_xxx
-> Hash
-> Append
-> Seq Scan on partitioning_hash_test_0_360151 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_1_360155 partitioning_hash_test_xxx
(15 rows)
-- note that partition-wise joins only work when partition key is in the join
-- following join does not have that, therefore join will not be pushed down to
-- partitions
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id);
QUERY PLAN
---------------------------------------------------------------------
Custom Scan (Citus Adaptive)
Task Count: 4
Tasks Shown: One of 4
-> Task
Node: host=localhost port=xxxxx dbname=regression
-> Hash Join
Hash Cond: (partitioning_hash_join_test_xxx.id = partitioning_hash_test_xxx.id)
-> Append
-> Seq Scan on partitioning_hash_join_test_0_360163 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_1_360167 partitioning_hash_join_test_xxx
-> Seq Scan on partitioning_hash_join_test_2_360171 partitioning_hash_join_test_xxx
-> Hash
-> Append
-> Seq Scan on partitioning_hash_test_0_360151 partitioning_hash_test_xxx
-> Seq Scan on partitioning_hash_test_1_360155 partitioning_hash_test_xxx
(15 rows)
-- reset partition-wise join
SELECT success FROM run_command_on_workers('alter system reset enable_partitionwise_join');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_mergejoin');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_nestloop');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_indexscan');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('alter system reset enable_indexonlyscan');
success
---------------------------------------------------------------------
t
t
(2 rows)
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
success
---------------------------------------------------------------------
t
t
(2 rows)
RESET enable_partitionwise_join;
DROP SCHEMA partition_wise_join CASCADE;
NOTICE: drop cascades to 2 other objects
DETAIL: drop cascades to table partitioning_hash_test
drop cascades to table partitioning_hash_join_test

View File

@ -67,6 +67,7 @@ test: ensure_no_intermediate_data_leak
# ----------
test: multi_partitioning_utils multi_partitioning partitioning_issue_3970 replicated_partitioned_table
test: drop_partitioned_table
test: partition_wise_join
# ----------
# Tests for foreign data wrapper support

View File

@ -1020,50 +1020,6 @@ INSERT INTO partitioning_locks_2009 SELECT * FROM partitioning_locks WHERE time
SELECT * FROM lockinfo;
COMMIT;
-- test partition-wise join
CREATE TABLE partitioning_hash_join_test(id int, subid int) PARTITION BY HASH(subid);
CREATE TABLE partitioning_hash_join_test_0 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 0);
CREATE TABLE partitioning_hash_join_test_1 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 1);
CREATE TABLE partitioning_hash_join_test_2 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 2);
SELECT create_distributed_table('partitioning_hash_join_test', 'id');
SELECT success FROM run_command_on_workers('alter system set enable_mergejoin to off');
SELECT success FROM run_command_on_workers('alter system set enable_nestloop to off');
SELECT success FROM run_command_on_workers('alter system set enable_indexscan to off');
SELECT success FROM run_command_on_workers('alter system set enable_indexonlyscan to off');
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to off');
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
-- set partition-wise join on and parallel to off
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to on');
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
SET enable_partitionwise_join TO on;
ANALYZE partitioning_hash_test, partitioning_hash_join_test;
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
-- note that partition-wise joins only work when partition key is in the join
-- following join does not have that, therefore join will not be pushed down to
-- partitions
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id);
-- reset partition-wise join
SELECT success FROM run_command_on_workers('alter system reset enable_partitionwise_join');
SELECT success FROM run_command_on_workers('alter system reset enable_mergejoin');
SELECT success FROM run_command_on_workers('alter system reset enable_nestloop');
SELECT success FROM run_command_on_workers('alter system reset enable_indexscan');
SELECT success FROM run_command_on_workers('alter system reset enable_indexonlyscan');
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
RESET enable_partitionwise_join;
DROP VIEW lockinfo;
DROP TABLE
IF EXISTS
@ -1328,7 +1284,6 @@ DROP SCHEMA partitioning_schema CASCADE;
RESET search_path;
DROP TABLE IF EXISTS
partitioning_hash_test,
partitioning_hash_join_test,
partitioning_test_failure,
non_distributed_partitioned_table,
partitioning_test_foreign_key;

View File

@ -0,0 +1,61 @@
CREATE SCHEMA partition_wise_join;
SET search_path to partition_wise_join;
CREATE TABLE partitioning_hash_test(id int, subid int) PARTITION BY HASH(subid);
CREATE TABLE partitioning_hash_test_0 PARTITION OF partitioning_hash_test FOR VALUES WITH (MODULUS 3, REMAINDER 0);
CREATE TABLE partitioning_hash_test_1 PARTITION OF partitioning_hash_test FOR VALUES WITH (MODULUS 3, REMAINDER 1);
INSERT INTO partitioning_hash_test VALUES (1, 2);
INSERT INTO partitioning_hash_test VALUES (2, 13);
INSERT INTO partitioning_hash_test VALUES (3, 7);
INSERT INTO partitioning_hash_test VALUES (4, 4);
-- distribute partitioned table
SELECT create_distributed_table('partitioning_hash_test', 'id');
-- test partition-wise join
CREATE TABLE partitioning_hash_join_test(id int, subid int) PARTITION BY HASH(subid);
CREATE TABLE partitioning_hash_join_test_0 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 0);
CREATE TABLE partitioning_hash_join_test_1 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 1);
CREATE TABLE partitioning_hash_join_test_2 PARTITION OF partitioning_hash_join_test FOR VALUES WITH (MODULUS 3, REMAINDER 2);
SELECT create_distributed_table('partitioning_hash_join_test', 'id');
SELECT success FROM run_command_on_workers('alter system set enable_mergejoin to off');
SELECT success FROM run_command_on_workers('alter system set enable_nestloop to off');
SELECT success FROM run_command_on_workers('alter system set enable_indexscan to off');
SELECT success FROM run_command_on_workers('alter system set enable_indexonlyscan to off');
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to off');
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
-- set partition-wise join on and parallel to off
SELECT success FROM run_command_on_workers('alter system set enable_partitionwise_join to on');
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
-- SET enable_partitionwise_join TO on;
ANALYZE partitioning_hash_test, partitioning_hash_join_test;
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id, subid);
-- note that partition-wise joins only work when partition key is in the join
-- following join does not have that, therefore join will not be pushed down to
-- partitions
EXPLAIN (COSTS OFF)
SELECT * FROM partitioning_hash_test JOIN partitioning_hash_join_test USING (id);
-- reset partition-wise join
SELECT success FROM run_command_on_workers('alter system reset enable_partitionwise_join');
SELECT success FROM run_command_on_workers('alter system reset enable_mergejoin');
SELECT success FROM run_command_on_workers('alter system reset enable_nestloop');
SELECT success FROM run_command_on_workers('alter system reset enable_indexscan');
SELECT success FROM run_command_on_workers('alter system reset enable_indexonlyscan');
SELECT success FROM run_command_on_workers('select pg_reload_conf()');
RESET enable_partitionwise_join;
DROP SCHEMA partition_wise_join CASCADE;