citus/src/test/regress/sql/multi_alias.sql

67 lines
1.9 KiB
SQL

--
-- MULTI_ALIAS
--
-- Here we test using various types of aliases for a distributed table
-- Test file is created when fixing #4269 column alias bug
--
CREATE SCHEMA alias;
SET search_path TO alias;
SET citus.shard_count TO 1;
SET citus.shard_replication_factor TO 1;
SET citus.next_shard_id TO 90630800;
CREATE TABLE alias_test(a int, b int);
SELECT create_distributed_table('alias_test', 'a');
INSERT INTO alias_test VALUES (0, 0), (1, 1);
SET citus.log_remote_commands TO on;
SELECT * FROM alias_test;
SELECT * FROM alias_test AS alias_test;
SELECT * FROM alias_test AS another_name;
SELECT * FROM alias_test AS alias_test(col1, col2);
SELECT * FROM alias_test AS another_name(col1, col2);
RESET citus.log_remote_commands;
-- test everything on https://github.com/citusdata/citus/issues/4269
CREATE TABLE test (x int, y int, z int);
INSERT INTO test VALUES (0, 1, 2), (3, 4, 5), (6, 7, 8);
-- on PG works fine
SELECT * FROM test AS t1 (a, b, c) ORDER BY 1;
SELECT * FROM test AS t1 (a, b, c) WHERE a = 6 ORDER BY 2;
CREATE TABLE test_2 (x int, y int);
INSERT INTO test_2 VALUES (0, 10), (3, 30);
-- on PG works fine
SELECT *
FROM test t1 (a, b, c) JOIN test_2 t2 (a, d) USING (a)
ORDER BY a, d;
-- same queries on Citus now also work!
SELECT create_distributed_table('test', 'x');
SELECT create_distributed_table('test_2', 'x');
SET citus.log_remote_commands TO on;
SELECT * FROM test AS t1 (a, b, c) ORDER BY 1;
SELECT *
FROM test t1 (a, b, c) JOIN test_2 t2 (a, d) USING (a)
ORDER BY a, d;
SELECT * FROM test AS t1 (a, b, c) WHERE a = 6 ORDER BY 2;
SET citus.enable_fast_path_router_planner TO off;
SELECT * FROM test AS t1 (a, b, c) WHERE a = 6 ORDER BY 2;
RESET citus.enable_fast_path_router_planner;
-- outer JOINs go through pushdown planner
SELECT *
FROM test t1 (a, b, c) LEFT JOIN test_2 t2 (a, d) USING (a)
ORDER BY a, d;
RESET citus.log_remote_commands;
DROP SCHEMA alias CASCADE;