mirror of https://github.com/citusdata/citus.git
177 lines
5.9 KiB
Plaintext
177 lines
5.9 KiB
Plaintext
--
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-- MULTI_ALIAS
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--
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-- Here we test using various types of aliases for a distributed table
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-- Test file is created when fixing #4269 column alias bug
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--
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CREATE SCHEMA alias;
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SET search_path TO alias;
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SET citus.shard_count TO 1;
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SET citus.shard_replication_factor TO 1;
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SET citus.next_shard_id TO 90630800;
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CREATE TABLE alias_test(a int, b int);
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SELECT create_distributed_table('alias_test', 'a');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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INSERT INTO alias_test VALUES (0, 0), (1, 1);
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SET citus.log_remote_commands TO on;
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SELECT * FROM alias_test;
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NOTICE: issuing SELECT a, b FROM alias.alias_test_90630800 alias_test
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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a | b
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---------------------------------------------------------------------
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0 | 0
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1 | 1
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(2 rows)
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SELECT * FROM alias_test AS alias_test;
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NOTICE: issuing SELECT a, b FROM alias.alias_test_90630800 alias_test
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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a | b
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---------------------------------------------------------------------
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0 | 0
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1 | 1
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(2 rows)
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SELECT * FROM alias_test AS another_name;
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NOTICE: issuing SELECT a, b FROM alias.alias_test_90630800 another_name
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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a | b
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---------------------------------------------------------------------
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0 | 0
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1 | 1
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(2 rows)
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SELECT * FROM alias_test AS alias_test(col1, col2);
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NOTICE: issuing SELECT col1, col2 FROM alias.alias_test_90630800 alias_test(col1, col2)
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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col1 | col2
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---------------------------------------------------------------------
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0 | 0
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1 | 1
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(2 rows)
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SELECT * FROM alias_test AS another_name(col1, col2);
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NOTICE: issuing SELECT col1, col2 FROM alias.alias_test_90630800 another_name(col1, col2)
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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col1 | col2
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---------------------------------------------------------------------
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0 | 0
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1 | 1
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(2 rows)
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RESET citus.log_remote_commands;
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-- test everything on https://github.com/citusdata/citus/issues/4269
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CREATE TABLE test (x int, y int, z int);
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INSERT INTO test VALUES (0, 1, 2), (3, 4, 5), (6, 7, 8);
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-- on PG works fine
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SELECT * FROM test AS t1 (a, b, c) ORDER BY 1;
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a | b | c
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---------------------------------------------------------------------
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0 | 1 | 2
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3 | 4 | 5
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6 | 7 | 8
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(3 rows)
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SELECT * FROM test AS t1 (a, b, c) WHERE a = 6 ORDER BY 2;
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a | b | c
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---------------------------------------------------------------------
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6 | 7 | 8
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(1 row)
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CREATE TABLE test_2 (x int, y int);
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INSERT INTO test_2 VALUES (0, 10), (3, 30);
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-- on PG works fine
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SELECT *
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FROM test t1 (a, b, c) JOIN test_2 t2 (a, d) USING (a)
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ORDER BY a, d;
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a | b | c | d
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---------------------------------------------------------------------
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0 | 1 | 2 | 10
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3 | 4 | 5 | 30
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(2 rows)
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-- same queries on Citus now also work!
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SELECT create_distributed_table('test', 'x');
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NOTICE: Copying data from local table...
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NOTICE: copying the data has completed
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DETAIL: The local data in the table is no longer visible, but is still on disk.
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HINT: To remove the local data, run: SELECT truncate_local_data_after_distributing_table($$alias.test$$)
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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SELECT create_distributed_table('test_2', 'x');
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NOTICE: Copying data from local table...
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NOTICE: copying the data has completed
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DETAIL: The local data in the table is no longer visible, but is still on disk.
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HINT: To remove the local data, run: SELECT truncate_local_data_after_distributing_table($$alias.test_2$$)
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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SET citus.log_remote_commands TO on;
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SELECT * FROM test AS t1 (a, b, c) ORDER BY 1;
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NOTICE: issuing SELECT a, b, c FROM alias.test_90630801 t1(a, b, c) ORDER BY a
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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a | b | c
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---------------------------------------------------------------------
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0 | 1 | 2
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3 | 4 | 5
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6 | 7 | 8
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(3 rows)
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SELECT *
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FROM test t1 (a, b, c) JOIN test_2 t2 (a, d) USING (a)
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ORDER BY a, d;
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NOTICE: issuing SELECT t1.a, t1.b, t1.c, t2.d FROM (alias.test_90630801 t1(a, b, c) JOIN alias.test_2_90630802 t2(a, d) USING (a)) ORDER BY t1.a, t2.d
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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a | b | c | d
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---------------------------------------------------------------------
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0 | 1 | 2 | 10
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3 | 4 | 5 | 30
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(2 rows)
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SELECT * FROM test AS t1 (a, b, c) WHERE a = 6 ORDER BY 2;
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NOTICE: issuing SELECT a, b, c FROM alias.test_90630801 t1(a, b, c) WHERE (a OPERATOR(pg_catalog.=) 6) ORDER BY b
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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a | b | c
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---------------------------------------------------------------------
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6 | 7 | 8
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(1 row)
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SET citus.enable_fast_path_router_planner TO off;
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SELECT * FROM test AS t1 (a, b, c) WHERE a = 6 ORDER BY 2;
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NOTICE: issuing SELECT a, b, c FROM alias.test_90630801 t1(a, b, c) WHERE (a OPERATOR(pg_catalog.=) 6) ORDER BY b
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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a | b | c
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---------------------------------------------------------------------
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6 | 7 | 8
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(1 row)
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RESET citus.enable_fast_path_router_planner;
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-- outer JOINs go through pushdown planner
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SELECT *
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FROM test t1 (a, b, c) LEFT JOIN test_2 t2 (a, d) USING (a)
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ORDER BY a, d;
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NOTICE: issuing SELECT t1.a, t1.b, t1.c, t2.d FROM (alias.test_90630801 t1(a, b, c) LEFT JOIN alias.test_2_90630802 t2(a, d) USING (a)) ORDER BY t1.a, t2.d
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DETAIL: on server postgres@localhost:xxxxx connectionId: xxxxxxx
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a | b | c | d
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---------------------------------------------------------------------
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0 | 1 | 2 | 10
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3 | 4 | 5 | 30
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6 | 7 | 8 |
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(3 rows)
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RESET citus.log_remote_commands;
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DROP SCHEMA alias CASCADE;
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NOTICE: drop cascades to 3 other objects
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DETAIL: drop cascades to table alias_test
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drop cascades to table test
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drop cascades to table test_2
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