mirror of https://github.com/citusdata/citus.git
300 lines
8.2 KiB
PL/PgSQL
300 lines
8.2 KiB
PL/PgSQL
CREATE SCHEMA on_conflict;
|
|
SET search_path TO on_conflict, public;
|
|
SET citus.next_shard_id TO 1900000;
|
|
SET citus.shard_replication_factor TO 1;
|
|
|
|
CREATE TABLE target_table(col_1 int primary key, col_2 int);
|
|
SELECT create_distributed_table('target_table','col_1');
|
|
INSERT INTO target_table VALUES(1,2),(2,3),(3,4),(4,5),(5,6);
|
|
|
|
CREATE TABLE source_table_1(col_1 int primary key, col_2 int, col_3 int);
|
|
SELECT create_distributed_table('source_table_1','col_1');
|
|
INSERT INTO source_table_1 VALUES(1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5);
|
|
|
|
CREATE TABLE source_table_2(col_1 int, col_2 int, col_3 int);
|
|
SELECT create_distributed_table('source_table_2','col_1');
|
|
INSERT INTO source_table_2 VALUES(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10);
|
|
|
|
SET client_min_messages to debug1;
|
|
|
|
-- Generate series directly on the coordinator and on conflict do nothing
|
|
INSERT INTO target_table (col_1, col_2)
|
|
SELECT
|
|
s, s
|
|
FROM
|
|
generate_series(1,10) s
|
|
ON CONFLICT DO NOTHING;
|
|
|
|
-- Generate series directly on the coordinator and on conflict update the target table
|
|
INSERT INTO target_table (col_1, col_2)
|
|
SELECT s, s
|
|
FROM
|
|
generate_series(1,10) s
|
|
ON CONFLICT(col_1) DO UPDATE SET col_2 = EXCLUDED.col_2 + 1;
|
|
|
|
-- Since partition columns do not match, pull the data to the coordinator
|
|
-- and do not change conflicted values
|
|
INSERT INTO target_table
|
|
SELECT
|
|
col_2, col_3
|
|
FROM
|
|
source_table_1
|
|
ON CONFLICT DO NOTHING;
|
|
|
|
-- Since partition columns do not match, pull the data to the coordinator
|
|
-- and update the non-partition column. Query is wrapped by CTE to return
|
|
-- ordered result.
|
|
WITH inserted_table AS (
|
|
INSERT INTO target_table
|
|
SELECT
|
|
col_2, col_3
|
|
FROM
|
|
source_table_1
|
|
ON CONFLICT(col_1) DO UPDATE SET col_2 = EXCLUDED.col_2 RETURNING *
|
|
) SELECT * FROM inserted_table ORDER BY 1;
|
|
|
|
-- Subquery should be recursively planned due to the limit and do nothing on conflict
|
|
INSERT INTO target_table
|
|
SELECT
|
|
col_1, col_2
|
|
FROM (
|
|
SELECT
|
|
col_1, col_2, col_3
|
|
FROM
|
|
source_table_1
|
|
LIMIT 5
|
|
) as foo
|
|
ON CONFLICT DO NOTHING;
|
|
|
|
-- Subquery should be recursively planned due to the limit and update on conflict
|
|
-- Query is wrapped by CTE to return ordered result.
|
|
WITH inserted_table AS (
|
|
INSERT INTO target_table
|
|
SELECT
|
|
col_1, col_2
|
|
FROM (
|
|
SELECT
|
|
col_1, col_2, col_3
|
|
FROM
|
|
source_table_1
|
|
LIMIT 5
|
|
) as foo
|
|
ON CONFLICT(col_1) DO UPDATE SET col_2 = EXCLUDED.col_2 RETURNING *
|
|
) SELECT * FROM inserted_table ORDER BY 1;
|
|
|
|
-- Test with multiple subqueries. Query is wrapped by CTE to return ordered result.
|
|
WITH inserted_table AS (
|
|
INSERT INTO target_table
|
|
SELECT
|
|
col_1, col_2
|
|
FROM (
|
|
(SELECT
|
|
col_1, col_2, col_3
|
|
FROM
|
|
source_table_1
|
|
LIMIT 5)
|
|
UNION
|
|
(SELECT
|
|
col_1, col_2, col_3
|
|
FROM
|
|
source_table_2
|
|
LIMIT 5)
|
|
) as foo
|
|
ON CONFLICT(col_1) DO UPDATE SET col_2 = 0 RETURNING *
|
|
) SELECT * FROM inserted_table ORDER BY 1;
|
|
|
|
-- Get the select part from cte and do nothing on conflict
|
|
WITH cte AS(
|
|
SELECT col_1, col_2 FROM source_table_1
|
|
)
|
|
INSERT INTO target_table SELECT * FROM cte ON CONFLICT DO NOTHING;
|
|
|
|
-- Get the select part from cte and update on conflict
|
|
WITH cte AS(
|
|
SELECT col_1, col_2 FROM source_table_1
|
|
)
|
|
INSERT INTO target_table SELECT * FROM cte ON CONFLICT(col_1) DO UPDATE SET col_2 = EXCLUDED.col_2 + 1;
|
|
SELECT * FROM target_table ORDER BY 1;
|
|
|
|
-- Test with multiple CTEs
|
|
WITH cte AS(
|
|
SELECT col_1, col_2 FROM source_table_1
|
|
), cte_2 AS(
|
|
SELECT col_1, col_2 FROM source_table_2
|
|
)
|
|
INSERT INTO target_table ((SELECT * FROM cte) UNION (SELECT * FROM cte_2)) ON CONFLICT(col_1) DO UPDATE SET col_2 = EXCLUDED.col_2 + 1;
|
|
SELECT * FROM target_table ORDER BY 1;
|
|
|
|
WITH inserted_table AS (
|
|
WITH cte AS(
|
|
SELECT col_1, col_2, col_3 FROM source_table_1
|
|
), cte_2 AS(
|
|
SELECT col_1, col_2 FROM cte
|
|
)
|
|
INSERT INTO target_table SELECT * FROM cte_2 ON CONFLICT(col_1) DO UPDATE SET col_2 = EXCLUDED.col_2 + 1 RETURNING *
|
|
) SELECT * FROM inserted_table ORDER BY 1;
|
|
|
|
WITH cte AS (
|
|
WITH basic AS (
|
|
SELECT col_1, col_2 FROM source_table_1
|
|
)
|
|
INSERT INTO target_table (SELECT * FROM basic) ON CONFLICT DO NOTHING RETURNING *
|
|
)
|
|
UPDATE target_table SET col_2 = 4 WHERE col_1 IN (SELECT col_1 FROM cte);
|
|
|
|
RESET client_min_messages;
|
|
|
|
-- Following query is not supported since error checks of the subquery pushdown planner
|
|
-- and insert select planner have not been unified. It should work after unifying them.
|
|
WITH cte AS (
|
|
SELECT
|
|
col_1, col_2
|
|
FROM
|
|
source_table_1
|
|
)
|
|
INSERT INTO target_table
|
|
SELECT
|
|
source_table_1.col_1,
|
|
source_table_1.col_2
|
|
FROM cte, source_table_1
|
|
WHERE cte.col_1 = source_table_1.col_1 ON CONFLICT DO NOTHING;
|
|
|
|
-- Tests with foreign key to reference table
|
|
CREATE TABLE test_ref_table (key int PRIMARY KEY);
|
|
SELECT create_reference_table('test_ref_table');
|
|
INSERT INTO test_ref_table VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
|
|
ALTER TABLE target_table ADD CONSTRAINT fkey FOREIGN KEY (col_1) REFERENCES test_ref_table(key) ON DELETE CASCADE;
|
|
|
|
BEGIN;
|
|
TRUNCATE test_ref_table CASCADE;
|
|
INSERT INTO
|
|
target_table
|
|
SELECT
|
|
col_2,
|
|
col_1
|
|
FROM source_table_1 ON CONFLICT (col_1) DO UPDATE SET col_2 = 55 RETURNING *;
|
|
ROLLBACK;
|
|
|
|
BEGIN;
|
|
DELETE FROM test_ref_table WHERE key > 10;
|
|
INSERT INTO
|
|
target_table
|
|
SELECT
|
|
col_2,
|
|
col_1
|
|
FROM source_table_1 ON CONFLICT (col_1) DO UPDATE SET col_2 = 1 RETURNING *;
|
|
ROLLBACK;
|
|
|
|
-- Following two queries are supported since we no not modify but only select from
|
|
-- the target_table after modification on test_ref_table.
|
|
BEGIN;
|
|
TRUNCATE test_ref_table CASCADE;
|
|
INSERT INTO
|
|
source_table_1
|
|
SELECT
|
|
col_2,
|
|
col_1
|
|
FROM target_table ON CONFLICT (col_1) DO UPDATE SET col_2 = 55 RETURNING *;
|
|
ROLLBACK;
|
|
|
|
BEGIN;
|
|
DELETE FROM test_ref_table;
|
|
INSERT INTO
|
|
source_table_1
|
|
SELECT
|
|
col_2,
|
|
col_1
|
|
FROM target_table ON CONFLICT (col_1) DO UPDATE SET col_2 = 55 RETURNING *;
|
|
ROLLBACK;
|
|
|
|
|
|
-- INSERT .. SELECT with different column types
|
|
CREATE TABLE source_table_3(col_1 numeric, col_2 numeric, col_3 numeric);
|
|
SELECT create_distributed_table('source_table_3','col_1');
|
|
INSERT INTO source_table_3 VALUES(1,11,1),(2,22,2),(3,33,3),(4,44,4),(5,55,5);
|
|
|
|
CREATE TABLE source_table_4(id int, arr_val text[]);
|
|
SELECT create_distributed_table('source_table_4','id');
|
|
INSERT INTO source_table_4 VALUES(1, '{"abc","cde","efg"}'), (2, '{"xyz","tvu"}');
|
|
|
|
CREATE TABLE target_table_2(id int primary key, arr_val char(10)[]);
|
|
SELECT create_distributed_table('target_table_2','id');
|
|
INSERT INTO target_table_2 VALUES(1, '{"abc","def","gyx"}');
|
|
|
|
SET client_min_messages to debug1;
|
|
|
|
INSERT INTO target_table
|
|
SELECT
|
|
col_1, col_2
|
|
FROM
|
|
source_table_3
|
|
ON CONFLICT(col_1) DO UPDATE SET col_2 = EXCLUDED.col_2;
|
|
SELECT * FROM target_table ORDER BY 1;
|
|
|
|
INSERT INTO target_table_2
|
|
SELECT
|
|
*
|
|
FROM
|
|
source_table_4
|
|
ON CONFLICT DO NOTHING;
|
|
SELECT * FROM target_table_2 ORDER BY 1;
|
|
|
|
RESET client_min_messages;
|
|
|
|
-- Test with shard_replication_factor = 2
|
|
SET citus.shard_replication_factor to 2;
|
|
|
|
DROP TABLE target_table, source_table_1, source_table_2;
|
|
|
|
CREATE TABLE target_table(col_1 int primary key, col_2 int);
|
|
SELECT create_distributed_table('target_table','col_1');
|
|
INSERT INTO target_table VALUES(1,2),(2,3),(3,4),(4,5),(5,6);
|
|
|
|
CREATE TABLE source_table_1(col_1 int, col_2 int, col_3 int);
|
|
SELECT create_distributed_table('source_table_1','col_1');
|
|
INSERT INTO source_table_1 VALUES(1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5);
|
|
|
|
CREATE TABLE source_table_2(col_1 int, col_2 int, col_3 int);
|
|
SELECT create_distributed_table('source_table_2','col_1');
|
|
INSERT INTO source_table_2 VALUES(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10);
|
|
|
|
SET client_min_messages to debug1;
|
|
|
|
-- Generate series directly on the coordinator and on conflict do nothing
|
|
INSERT INTO target_table (col_1, col_2)
|
|
SELECT
|
|
s, s
|
|
FROM
|
|
generate_series(1,10) s
|
|
ON CONFLICT DO NOTHING;
|
|
|
|
-- Test with multiple subqueries
|
|
INSERT INTO target_table
|
|
SELECT
|
|
col_1, col_2
|
|
FROM (
|
|
(SELECT
|
|
col_1, col_2, col_3
|
|
FROM
|
|
source_table_1
|
|
LIMIT 5)
|
|
UNION
|
|
(SELECT
|
|
col_1, col_2, col_3
|
|
FROM
|
|
source_table_2
|
|
LIMIT 5)
|
|
) as foo
|
|
ON CONFLICT(col_1) DO UPDATE SET col_2 = 0;
|
|
SELECT * FROM target_table ORDER BY 1;
|
|
|
|
WITH cte AS(
|
|
SELECT col_1, col_2, col_3 FROM source_table_1
|
|
), cte_2 AS(
|
|
SELECT col_1, col_2 FROM cte
|
|
)
|
|
INSERT INTO target_table SELECT * FROM cte_2 ON CONFLICT(col_1) DO UPDATE SET col_2 = EXCLUDED.col_2 + 1;
|
|
SELECT * FROM target_table ORDER BY 1;
|
|
|
|
RESET client_min_messages;
|
|
DROP SCHEMA on_conflict CASCADE; |