mirror of https://github.com/citusdata/citus.git
543 lines
22 KiB
Plaintext
543 lines
22 KiB
Plaintext
--
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-- MULTI CITUS TOOLS
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--
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-- tests UDFs created for citus tools
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--
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SET citus.next_shard_id TO 1240000;
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-- test with invalid port, prevent OS dependent warning from being displayed
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SET client_min_messages to ERROR;
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-- PG 9.5 does not show context for plpgsql raise
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-- message whereas PG 9.6 shows. disabling it
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-- for this test only to have consistent behavior
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-- b/w PG 9.6+ and PG 9.5.
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\set SHOW_CONTEXT never
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SELECT * FROM master_run_on_worker(ARRAY['localhost']::text[], ARRAY['666']::int[],
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ARRAY['select count(*) from pg_dist_shard']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+------------------------------------
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localhost | 666 | f | failed to connect to localhost:666
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(1 row)
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SELECT * FROM master_run_on_worker(ARRAY['localhost']::text[], ARRAY['666']::int[],
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ARRAY['select count(*) from pg_dist_shard']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+------------------------------------
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localhost | 666 | f | failed to connect to localhost:666
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(1 row)
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RESET client_min_messages;
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-- store worker node name and port
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SELECT quote_literal(node_name) as node_name, node_port as node_port
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FROM master_get_active_worker_nodes()
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ORDER BY node_port
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LIMIT 1 \gset
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-- connect to the first worker and ask for shard count, should return 0
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select count(*) from pg_dist_shard']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+--------
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localhost | 57637 | t | 0
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(1 row)
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-- connect to the first worker and ask for shards, should fail with
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-- expecting a single column error
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select * from pg_dist_shard']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+------------------------------------------
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localhost | 57637 | f | expected a single column in query target
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(1 row)
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-- query result may only contain a single row
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select a from generate_series(1,2) a']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+---------------------------------------
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localhost | 57637 | f | expected a single row in query result
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(1 row)
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-- send multiple queries
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SELECT * FROM master_run_on_worker(ARRAY[:node_name, :node_name]::text[],
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ARRAY[:node_port, :node_port]::int[],
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ARRAY['select a from generate_series(1,1) a',
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'select a from generate_series(2,2) a']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+--------
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localhost | 57637 | t | 1
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localhost | 57637 | t | 2
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(2 rows)
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-- send multiple queries, one fails
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SELECT * FROM master_run_on_worker(ARRAY[:node_name, :node_name]::text[],
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ARRAY[:node_port, :node_port]::int[],
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ARRAY['select a from generate_series(1,1) a',
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'select a from generate_series(1,2) a']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+---------------------------------------
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localhost | 57637 | t | 1
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localhost | 57637 | f | expected a single row in query result
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(2 rows)
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-- send multiple queries, both fail
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SELECT * FROM master_run_on_worker(ARRAY[:node_name, :node_name]::text[],
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ARRAY[:node_port, :node_port]::int[],
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ARRAY['select a from generate_series(1,2) a',
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'select a from generate_series(1,2) a']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+---------------------------------------
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localhost | 57637 | f | expected a single row in query result
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localhost | 57637 | f | expected a single row in query result
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(2 rows)
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-- can create tables at worker
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SELECT * FROM master_run_on_worker(ARRAY[:node_name, :node_name]::text[],
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ARRAY[:node_port, :node_port]::int[],
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ARRAY['create table first_table(a int, b int)',
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'create table second_table(a int, b int)']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+--------------
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localhost | 57637 | t | CREATE TABLE
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localhost | 57637 | t | CREATE TABLE
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(2 rows)
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-- can insert into table
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['insert into first_table select a,a from generate_series(1,20) a']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+-------------
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localhost | 57637 | t | INSERT 0 20
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(1 row)
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select count(*) from first_table']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+--------
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localhost | 57637 | t | 20
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(1 row)
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-- insert into second table twice
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['insert into second_table select * from first_table']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+-------------
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localhost | 57637 | t | INSERT 0 20
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(1 row)
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['insert into second_table select * from first_table']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+-------------
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localhost | 57637 | t | INSERT 0 20
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(1 row)
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-- check inserted values at second table
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select count(*) from second_table']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+--------
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localhost | 57637 | t | 40
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(1 row)
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-- store worker node name and port again
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-- previously set variables become unusable after some number of uses
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SELECT quote_literal(node_name) as node_name, node_port as node_port
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FROM master_get_active_worker_nodes()
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ORDER BY node_port
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LIMIT 1 \gset
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-- create index on tables
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['create index first_table_index on first_table(a)']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+--------------
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localhost | 57637 | t | CREATE INDEX
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(1 row)
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-- drop created tables
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['drop table first_table']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+------------
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localhost | 57637 | t | DROP TABLE
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(1 row)
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['drop table second_table']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+------------
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localhost | 57637 | t | DROP TABLE
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(1 row)
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-- verify table is dropped
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select count(*) from second_table']::text[],
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false);
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node_name | node_port | success | result
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-----------+-----------+---------+------------------------------------------------
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localhost | 57637 | f | ERROR: relation "second_table" does not exist
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(1 row)
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--
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-- Run the same tests in parallel
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--
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-- connect to the first worker and ask for shard count, should return 0
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select count(*) from pg_dist_shard']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+--------
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localhost | 57637 | t | 0
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(1 row)
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-- connect to the first worker and ask for shards, should fail with
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-- expecting a single column error
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select * from pg_dist_shard']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+------------------------------------------
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localhost | 57637 | f | expected a single column in query target
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(1 row)
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-- query result may only contain a single row
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select a from generate_series(1,2) a']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+---------------------------------------
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localhost | 57637 | f | expected a single row in query result
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(1 row)
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-- send multiple queries
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SELECT * FROM master_run_on_worker(ARRAY[:node_name, :node_name]::text[],
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ARRAY[:node_port, :node_port]::int[],
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ARRAY['select a from generate_series(1,1) a',
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'select a from generate_series(2,2) a']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+--------
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localhost | 57637 | t | 1
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localhost | 57637 | t | 2
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(2 rows)
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-- send multiple queries, one fails
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SELECT * FROM master_run_on_worker(ARRAY[:node_name, :node_name]::text[],
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ARRAY[:node_port, :node_port]::int[],
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ARRAY['select a from generate_series(1,1) a',
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'select a from generate_series(1,2) a']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+---------------------------------------
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localhost | 57637 | t | 1
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localhost | 57637 | f | expected a single row in query result
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(2 rows)
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-- send multiple queries, both fail
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SELECT * FROM master_run_on_worker(ARRAY[:node_name, :node_name]::text[],
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ARRAY[:node_port, :node_port]::int[],
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ARRAY['select a from generate_series(1,2) a',
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'select a from generate_series(1,2) a']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+---------------------------------------
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localhost | 57637 | f | expected a single row in query result
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localhost | 57637 | f | expected a single row in query result
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(2 rows)
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-- can create tables at worker
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SELECT * FROM master_run_on_worker(ARRAY[:node_name, :node_name]::text[],
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ARRAY[:node_port, :node_port]::int[],
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ARRAY['create table first_table(a int, b int)',
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'create table second_table(a int, b int)']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+--------------
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localhost | 57637 | t | CREATE TABLE
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localhost | 57637 | t | CREATE TABLE
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(2 rows)
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-- store worker node name and port again
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-- previously set variables become unusable after some number of uses
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SELECT quote_literal(node_name) as node_name, node_port as node_port
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FROM master_get_active_worker_nodes()
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ORDER BY node_port
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LIMIT 1 \gset
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-- can insert into table
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['insert into first_table select a,a from generate_series(1,20) a']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+-------------
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localhost | 57637 | t | INSERT 0 20
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(1 row)
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select count(*) from first_table']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+--------
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localhost | 57637 | t | 20
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(1 row)
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-- insert into second table twice
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['insert into second_table select * from first_table']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+-------------
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localhost | 57637 | t | INSERT 0 20
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(1 row)
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['insert into second_table select * from first_table']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+-------------
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localhost | 57637 | t | INSERT 0 20
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(1 row)
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-- check inserted values at second table
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select count(*) from second_table']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+--------
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localhost | 57637 | t | 40
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(1 row)
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-- create index on tables
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['create index first_table_index on first_table(a)']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+--------------
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localhost | 57637 | t | CREATE INDEX
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(1 row)
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-- drop created tables
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['drop table first_table']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+------------
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localhost | 57637 | t | DROP TABLE
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(1 row)
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['drop table second_table']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+------------
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localhost | 57637 | t | DROP TABLE
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(1 row)
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-- verify table is dropped
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SELECT * FROM master_run_on_worker(ARRAY[:node_name]::text[], ARRAY[:node_port]::int[],
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ARRAY['select count(*) from second_table']::text[],
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true);
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node_name | node_port | success | result
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-----------+-----------+---------+------------------------------------------------
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localhost | 57637 | f | ERROR: relation "second_table" does not exist
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(1 row)
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-- run_command_on_XXX tests
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SELECT * FROM run_command_on_workers('select 1') ORDER BY 2 ASC;
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nodename | nodeport | success | result
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-----------+----------+---------+--------
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localhost | 57637 | t | 1
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localhost | 57638 | t | 1
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(2 rows)
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SELECT * FROM run_command_on_workers('select count(*) from pg_dist_partition') ORDER BY 2 ASC;
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nodename | nodeport | success | result
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-----------+----------+---------+--------
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localhost | 57637 | t | 0
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localhost | 57638 | t | 0
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(2 rows)
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-- make sure run_on_all_placements respects shardstate
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SET citus.shard_count TO 5;
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CREATE TABLE check_placements (key int);
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SELECT create_distributed_table('check_placements', 'key', 'hash');
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create_distributed_table
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--------------------------
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(1 row)
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SELECT * FROM run_command_on_placements('check_placements', 'select 1');
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nodename | nodeport | shardid | success | result
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-----------+----------+---------+---------+--------
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localhost | 57637 | 1240000 | t | 1
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localhost | 57638 | 1240000 | t | 1
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localhost | 57637 | 1240001 | t | 1
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localhost | 57638 | 1240001 | t | 1
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localhost | 57637 | 1240002 | t | 1
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localhost | 57638 | 1240002 | t | 1
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localhost | 57637 | 1240003 | t | 1
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localhost | 57638 | 1240003 | t | 1
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localhost | 57637 | 1240004 | t | 1
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localhost | 57638 | 1240004 | t | 1
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(10 rows)
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UPDATE pg_dist_shard_placement SET shardstate = 3
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WHERE shardid % 2 = 0 AND nodeport = :worker_1_port;
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SELECT * FROM run_command_on_placements('check_placements', 'select 1');
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nodename | nodeport | shardid | success | result
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-----------+----------+---------+---------+--------
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localhost | 57638 | 1240000 | t | 1
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localhost | 57637 | 1240001 | t | 1
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localhost | 57638 | 1240001 | t | 1
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localhost | 57638 | 1240002 | t | 1
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localhost | 57637 | 1240003 | t | 1
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localhost | 57638 | 1240003 | t | 1
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localhost | 57638 | 1240004 | t | 1
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(7 rows)
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DROP TABLE check_placements CASCADE;
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-- make sure run_on_all_colocated_placements correctly detects colocation
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CREATE TABLE check_colocated (key int);
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SELECT create_distributed_table('check_colocated', 'key', 'hash');
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create_distributed_table
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--------------------------
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(1 row)
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CREATE TABLE second_table (key int);
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SET citus.shard_count TO 4;
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SELECT create_distributed_table('second_table', 'key', 'hash');
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create_distributed_table
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--------------------------
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(1 row)
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SELECT * FROM run_command_on_colocated_placements('check_colocated', 'second_table',
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'select 1');
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ERROR: tables check_colocated and second_table are not co-located
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-- even when the difference is in replication factor, an error is thrown
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SELECT master_drop_all_shards('second_table'::regclass, current_schema(), 'second_table');
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master_drop_all_shards
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------------------------
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4
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(1 row)
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SELECT master_create_worker_shards('second_table', 5, 1);
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master_create_worker_shards
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-----------------------------
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(1 row)
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SELECT * FROM run_command_on_colocated_placements('check_colocated', 'second_table',
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'select 1');
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ERROR: tables check_colocated and second_table are not co-located
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-- when everything matches, the command is run!
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SELECT master_drop_all_shards('second_table'::regclass, current_schema(), 'second_table');
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master_drop_all_shards
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------------------------
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5
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(1 row)
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SELECT master_create_worker_shards('second_table', 5, 2);
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master_create_worker_shards
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-----------------------------
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(1 row)
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SELECT * FROM run_command_on_colocated_placements('check_colocated', 'second_table',
|
|
'select 1');
|
|
nodename | nodeport | shardid1 | shardid2 | success | result
|
|
-----------+----------+----------+----------+---------+--------
|
|
localhost | 57637 | 1240005 | 1240019 | t | 1
|
|
localhost | 57638 | 1240005 | 1240019 | t | 1
|
|
localhost | 57637 | 1240006 | 1240020 | t | 1
|
|
localhost | 57638 | 1240006 | 1240020 | t | 1
|
|
localhost | 57637 | 1240007 | 1240021 | t | 1
|
|
localhost | 57638 | 1240007 | 1240021 | t | 1
|
|
localhost | 57637 | 1240008 | 1240022 | t | 1
|
|
localhost | 57638 | 1240008 | 1240022 | t | 1
|
|
localhost | 57637 | 1240009 | 1240023 | t | 1
|
|
localhost | 57638 | 1240009 | 1240023 | t | 1
|
|
(10 rows)
|
|
|
|
-- when a placement is invalid considers the tables to not be colocated
|
|
UPDATE pg_dist_shard_placement SET shardstate = 3 WHERE shardid = (
|
|
SELECT shardid FROM pg_dist_shard
|
|
WHERE nodeport = :worker_1_port AND logicalrelid = 'second_table'::regclass
|
|
ORDER BY 1 ASC LIMIT 1
|
|
);
|
|
SELECT * FROM run_command_on_colocated_placements('check_colocated', 'second_table',
|
|
'select 1');
|
|
ERROR: tables check_colocated and second_table are not co-located
|
|
-- when matching placement is also invalid, considers the tables to be colocated
|
|
UPDATE pg_dist_shard_placement SET shardstate = 3 WHERE shardid = (
|
|
SELECT shardid FROM pg_dist_shard
|
|
WHERE nodeport = :worker_1_port AND logicalrelid = 'check_colocated'::regclass
|
|
ORDER BY 1 ASC LIMIT 1
|
|
);
|
|
SELECT * FROM run_command_on_colocated_placements('check_colocated', 'second_table',
|
|
'select 1');
|
|
nodename | nodeport | shardid1 | shardid2 | success | result
|
|
-----------+----------+----------+----------+---------+--------
|
|
localhost | 57638 | 1240005 | 1240019 | t | 1
|
|
localhost | 57637 | 1240006 | 1240020 | t | 1
|
|
localhost | 57638 | 1240006 | 1240020 | t | 1
|
|
localhost | 57637 | 1240007 | 1240021 | t | 1
|
|
localhost | 57638 | 1240007 | 1240021 | t | 1
|
|
localhost | 57637 | 1240008 | 1240022 | t | 1
|
|
localhost | 57638 | 1240008 | 1240022 | t | 1
|
|
localhost | 57637 | 1240009 | 1240023 | t | 1
|
|
localhost | 57638 | 1240009 | 1240023 | t | 1
|
|
(9 rows)
|
|
|
|
DROP TABLE check_colocated CASCADE;
|
|
DROP TABLE second_table CASCADE;
|
|
-- runs on all shards
|
|
SET citus.shard_count TO 5;
|
|
CREATE TABLE check_shards (key int);
|
|
SELECT create_distributed_table('check_shards', 'key', 'hash');
|
|
create_distributed_table
|
|
--------------------------
|
|
|
|
(1 row)
|
|
|
|
SELECT * FROM run_command_on_shards('check_shards', 'select 1');
|
|
shardid | success | result
|
|
---------+---------+--------
|
|
1240024 | t | 1
|
|
1240025 | t | 1
|
|
1240026 | t | 1
|
|
1240027 | t | 1
|
|
1240028 | t | 1
|
|
(5 rows)
|
|
|
|
UPDATE pg_dist_shard_placement SET shardstate = 3 WHERE shardid % 2 = 0;
|
|
SELECT * FROM run_command_on_shards('check_shards', 'select 1');
|
|
NOTICE: some shards do not have active placements
|
|
shardid | success | result
|
|
---------+---------+--------
|
|
1240025 | t | 1
|
|
1240027 | t | 1
|
|
(2 rows)
|
|
|
|
DROP TABLE check_shards CASCADE;
|
|
-- set SHOW_CONTEXT back to default
|
|
\set SHOW_CONTEXT errors
|