mirror of https://github.com/citusdata/citus.git
459 lines
16 KiB
PL/PgSQL
459 lines
16 KiB
PL/PgSQL
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ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 1300000;
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ALTER SEQUENCE pg_catalog.pg_dist_jobid_seq RESTART 1300000;
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-- ===================================================================
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-- create test utility function
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-- ===================================================================
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CREATE SEQUENCE colocation_test_seq
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MINVALUE 1000
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NO CYCLE;
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/* a very simple UDF that only sets the colocation ids the same
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* DO NOT USE THIS FUNCTION IN PRODUCTION. It manually sets colocationid column of
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* pg_dist_partition and it does not check anything about pyshical state about shards.
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*/
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CREATE OR REPLACE FUNCTION colocation_test_colocate_tables(source_table regclass, target_table regclass)
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RETURNS BOOL
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LANGUAGE plpgsql
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AS $colocate_tables$
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DECLARE nextid INTEGER;
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BEGIN
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SELECT nextval('colocation_test_seq') INTO nextid;
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UPDATE pg_dist_partition SET colocationId = nextid
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WHERE logicalrelid IN
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(
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(SELECT p1.logicalrelid
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FROM pg_dist_partition p1, pg_dist_partition p2
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WHERE
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p2.logicalrelid = source_table AND
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(p1.logicalrelid = source_table OR
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(p1.colocationId = p2.colocationId AND p1.colocationId != 0)))
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UNION
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(SELECT target_table)
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);
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RETURN TRUE;
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END;
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$colocate_tables$;
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-- ===================================================================
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-- create test functions
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-- ===================================================================
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CREATE FUNCTION get_table_colocation_id(regclass)
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RETURNS INTEGER
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AS 'citus'
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LANGUAGE C STRICT;
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CREATE FUNCTION tables_colocated(regclass, regclass)
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RETURNS bool
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AS 'citus'
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LANGUAGE C;
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CREATE FUNCTION shards_colocated(bigint, bigint)
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RETURNS bool
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AS 'citus'
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LANGUAGE C STRICT;
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CREATE FUNCTION get_colocated_shard_array(bigint)
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RETURNS BIGINT[]
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AS 'citus'
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LANGUAGE C STRICT;
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CREATE FUNCTION find_shard_interval_index(bigint)
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RETURNS int
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AS 'citus'
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LANGUAGE C STRICT;
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-- ===================================================================
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-- test co-location util functions
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-- ===================================================================
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-- create distributed table observe shard pruning
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CREATE TABLE table1_group1 ( id int );
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SELECT master_create_distributed_table('table1_group1', 'id', 'hash');
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SELECT master_create_worker_shards('table1_group1', 4, 2);
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CREATE TABLE table2_group1 ( id int );
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SELECT master_create_distributed_table('table2_group1', 'id', 'hash');
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SELECT master_create_worker_shards('table2_group1', 4, 2);
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CREATE TABLE table3_group2 ( id int );
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SELECT master_create_distributed_table('table3_group2', 'id', 'hash');
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SELECT master_create_worker_shards('table3_group2', 4, 2);
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CREATE TABLE table4_group2 ( id int );
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SELECT master_create_distributed_table('table4_group2', 'id', 'hash');
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SELECT master_create_worker_shards('table4_group2', 4, 2);
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CREATE TABLE table5_groupX ( id int );
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SELECT master_create_distributed_table('table5_groupX', 'id', 'hash');
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SELECT master_create_worker_shards('table5_groupX', 4, 2);
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CREATE TABLE table6_append ( id int );
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SELECT master_create_distributed_table('table6_append', 'id', 'append');
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SELECT master_create_empty_shard('table6_append');
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SELECT master_create_empty_shard('table6_append');
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-- make table1_group1 and table2_group1 co-located manually
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SELECT colocation_test_colocate_tables('table1_group1', 'table2_group1');
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-- check co-location id
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SELECT get_table_colocation_id('table1_group1');
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SELECT get_table_colocation_id('table5_groupX');
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SELECT get_table_colocation_id('table6_append');
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-- check self table co-location
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SELECT tables_colocated('table1_group1', 'table1_group1');
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SELECT tables_colocated('table5_groupX', 'table5_groupX');
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SELECT tables_colocated('table6_append', 'table6_append');
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-- check table co-location with same co-location group
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SELECT tables_colocated('table1_group1', 'table2_group1');
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-- check table co-location with different co-location group
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SELECT tables_colocated('table1_group1', 'table3_group2');
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-- check table co-location with invalid co-location group
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SELECT tables_colocated('table1_group1', 'table5_groupX');
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SELECT tables_colocated('table1_group1', 'table6_append');
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-- check self shard co-location
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SELECT shards_colocated(1300000, 1300000);
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SELECT shards_colocated(1300016, 1300016);
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SELECT shards_colocated(1300020, 1300020);
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-- check shard co-location with same co-location group
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SELECT shards_colocated(1300000, 1300004);
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-- check shard co-location with same table different co-location group
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SELECT shards_colocated(1300000, 1300001);
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-- check shard co-location with different co-location group
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SELECT shards_colocated(1300000, 1300005);
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-- check shard co-location with invalid co-location group
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SELECT shards_colocated(1300000, 1300016);
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SELECT shards_colocated(1300000, 1300020);
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-- check co-located table list
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SELECT UNNEST(get_colocated_table_array('table1_group1'))::regclass;
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SELECT UNNEST(get_colocated_table_array('table5_groupX'))::regclass;
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SELECT UNNEST(get_colocated_table_array('table6_append'))::regclass;
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-- check co-located shard list
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SELECT get_colocated_shard_array(1300000);
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SELECT get_colocated_shard_array(1300016);
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SELECT get_colocated_shard_array(1300020);
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-- check FindShardIntervalIndex function
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SELECT find_shard_interval_index(1300000);
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SELECT find_shard_interval_index(1300001);
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SELECT find_shard_interval_index(1300002);
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SELECT find_shard_interval_index(1300003);
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SELECT find_shard_interval_index(1300016);
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-- check external colocation API
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SET citus.shard_count = 2;
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CREATE TABLE table1_groupA ( id int );
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SELECT create_distributed_table('table1_groupA', 'id');
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CREATE TABLE table2_groupA ( id int );
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SELECT create_distributed_table('table2_groupA', 'id');
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-- change shard replication factor
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SET citus.shard_replication_factor = 1;
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CREATE TABLE table1_groupB ( id int );
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SELECT create_distributed_table('table1_groupB', 'id');
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CREATE TABLE table2_groupB ( id int );
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SELECT create_distributed_table('table2_groupB', 'id');
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UPDATE pg_dist_partition SET repmodel='c' WHERE logicalrelid='table1_groupB'::regclass;
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UPDATE pg_dist_partition SET repmodel='c' WHERE logicalrelid='table2_groupB'::regclass;
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-- revert back to default shard replication factor
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SET citus.shard_replication_factor to DEFAULT;
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-- change partition column type
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CREATE TABLE table1_groupC ( id text );
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SELECT create_distributed_table('table1_groupC', 'id');
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CREATE TABLE table2_groupC ( id text );
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SELECT create_distributed_table('table2_groupC', 'id');
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-- change shard count
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SET citus.shard_count = 4;
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CREATE TABLE table1_groupD ( id int );
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SELECT create_distributed_table('table1_groupD', 'id');
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CREATE TABLE table2_groupD ( id int );
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SELECT create_distributed_table('table2_groupD', 'id');
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-- try other distribution methods
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CREATE TABLE table_append ( id int );
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SELECT create_distributed_table('table_append', 'id', 'append');
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CREATE TABLE table_range ( id int );
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SELECT create_distributed_table('table_range', 'id', 'range');
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-- test foreign table creation
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CREATE FOREIGN TABLE table3_groupD ( id int ) SERVER fake_fdw_server;
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SELECT create_distributed_table('table3_groupD', 'id');
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-- check metadata
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SELECT * FROM pg_dist_colocation
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid;
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SELECT logicalrelid, colocationid FROM pg_dist_partition
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY logicalrelid;
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-- check effects of dropping tables
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DROP TABLE table1_groupA;
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SELECT * FROM pg_dist_colocation WHERE colocationid = 1;
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-- dropping all tables in a colocation group also deletes the colocation group
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DROP TABLE table2_groupA;
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SELECT * FROM pg_dist_colocation WHERE colocationid = 1;
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-- create dropped colocation group again
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SET citus.shard_count = 2;
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CREATE TABLE table1_groupE ( id int );
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SELECT create_distributed_table('table1_groupE', 'id');
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CREATE TABLE table2_groupE ( id int );
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SELECT create_distributed_table('table2_groupE', 'id');
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-- test different table DDL
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CREATE TABLE table3_groupE ( dummy_column text, id int );
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SELECT create_distributed_table('table3_groupE', 'id');
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-- test different schema
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CREATE SCHEMA schema_collocation;
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CREATE TABLE schema_collocation.table4_groupE ( id int );
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SELECT create_distributed_table('schema_collocation.table4_groupE', 'id');
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-- test colocate_with option
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CREATE TABLE table1_group_none_1 ( id int );
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SELECT create_distributed_table('table1_group_none_1', 'id', colocate_with => 'none');
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CREATE TABLE table2_group_none_1 ( id int );
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SELECT create_distributed_table('table2_group_none_1', 'id', colocate_with => 'table1_group_none_1');
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CREATE TABLE table1_group_none_2 ( id int );
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SELECT create_distributed_table('table1_group_none_2', 'id', colocate_with => 'none');
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CREATE TABLE table4_groupE ( id int );
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SELECT create_distributed_table('table4_groupE', 'id', colocate_with => 'default');
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SET citus.shard_count = 3;
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-- check that this new configuration does not have a default group
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CREATE TABLE table1_group_none_3 ( id int );
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SELECT create_distributed_table('table1_group_none_3', 'id', colocate_with => 'NONE');
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-- a new table does not use a non-default group
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CREATE TABLE table1_group_default ( id int );
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SELECT create_distributed_table('table1_group_default', 'id', colocate_with => 'DEFAULT');
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-- check metadata
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SELECT * FROM pg_dist_colocation
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid;
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SELECT logicalrelid, colocationid FROM pg_dist_partition
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid, logicalrelid;
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-- check failing colocate_with options
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CREATE TABLE table_postgresql( id int );
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CREATE TABLE table_failing ( id int );
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SELECT create_distributed_table('table_failing', 'id', colocate_with => 'table_append');
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SELECT create_distributed_table('table_failing', 'id', 'append', 'table1_groupE');
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SELECT create_distributed_table('table_failing', 'id', colocate_with => 'table_postgresql');
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SELECT create_distributed_table('table_failing', 'id', colocate_with => 'no_table');
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SELECT create_distributed_table('table_failing', 'id', colocate_with => '');
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SELECT create_distributed_table('table_failing', 'id', colocate_with => NULL);
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-- check with different distribution column types
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CREATE TABLE table_bigint ( id bigint );
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SELECT create_distributed_table('table_bigint', 'id', colocate_with => 'table1_groupE');
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-- check worker table schemas
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\c - - - :worker_1_port
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\d table3_groupE_1300050
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\d schema_collocation.table4_groupE_1300052
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\c - - - :master_port
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CREATE TABLE table1_groupF ( id int );
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SELECT create_reference_table('table1_groupF');
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CREATE TABLE table2_groupF ( id int );
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SELECT create_reference_table('table2_groupF');
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-- check metadata
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SELECT * FROM pg_dist_colocation
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid;
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-- cross check with internal colocation API
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SELECT
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p1.logicalrelid::regclass AS table1,
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p2.logicalrelid::regclass AS table2,
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tables_colocated(p1.logicalrelid , p2.logicalrelid) AS colocated
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FROM
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pg_dist_partition p1,
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pg_dist_partition p2
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WHERE
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p1.logicalrelid < p2.logicalrelid AND
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p1.colocationid != 0 AND
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p2.colocationid != 0 AND
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tables_colocated(p1.logicalrelid , p2.logicalrelid) is TRUE
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ORDER BY
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table1,
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table2;
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-- check created shards
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SELECT
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logicalrelid,
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pg_dist_shard.shardid AS shardid,
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shardstorage,
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nodeport,
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shardminvalue,
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shardmaxvalue
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FROM
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pg_dist_shard,
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pg_dist_shard_placement
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WHERE
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pg_dist_shard.shardid = pg_dist_shard_placement.shardid AND
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pg_dist_shard.shardid >= 1300026
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ORDER BY
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logicalrelid,
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shardmaxvalue::integer,
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shardid,
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placementid;
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-- reset colocation ids to test mark_tables_colocated
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ALTER SEQUENCE pg_catalog.pg_dist_colocationid_seq RESTART 1;
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DELETE FROM pg_dist_colocation
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WHERE colocationid >= 1 AND colocationid < 1000;
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UPDATE pg_dist_partition SET colocationid = 0
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WHERE colocationid >= 1 AND colocationid < 1000;
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-- check metadata
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SELECT * FROM pg_dist_colocation
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid;
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SELECT logicalrelid, colocationid FROM pg_dist_partition
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid, logicalrelid;
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-- first check failing cases
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SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupC']);
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SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupD']);
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SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupE']);
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SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupF']);
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SELECT mark_tables_colocated('table1_groupB', ARRAY['table2_groupB', 'table1_groupD']);
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-- check metadata to see failing calls didn't have any side effects
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SELECT * FROM pg_dist_colocation
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid;
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SELECT logicalrelid, colocationid FROM pg_dist_partition
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid, logicalrelid;
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-- check successfully cololated tables
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SELECT mark_tables_colocated('table1_groupB', ARRAY['table2_groupB']);
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SELECT mark_tables_colocated('table1_groupC', ARRAY['table2_groupC']);
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SELECT mark_tables_colocated('table1_groupD', ARRAY['table2_groupD']);
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SELECT mark_tables_colocated('table1_groupE', ARRAY['table2_groupE', 'table3_groupE']);
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SELECT mark_tables_colocated('table1_groupF', ARRAY['table2_groupF']);
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-- check to colocate with itself
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SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupB']);
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SET citus.shard_count = 2;
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CREATE TABLE table1_group_none ( id int );
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SELECT create_distributed_table('table1_group_none', 'id', colocate_with => 'NONE');
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CREATE TABLE table2_group_none ( id int );
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SELECT create_distributed_table('table2_group_none', 'id', colocate_with => 'NONE');
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-- check metadata to see colocation groups are created successfully
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SELECT * FROM pg_dist_colocation
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid;
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SELECT logicalrelid, colocationid FROM pg_dist_partition
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid, logicalrelid;
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-- move the all tables in colocation group 5 to colocation group 7
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SELECT mark_tables_colocated('table1_group_none', ARRAY['table1_groupE', 'table2_groupE', 'table3_groupE']);
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-- move a table with a colocation id which is already not in pg_dist_colocation
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SELECT mark_tables_colocated('table1_group_none', ARRAY['table2_group_none']);
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-- check metadata to see that unused colocation group is deleted
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SELECT * FROM pg_dist_colocation
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid;
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SELECT logicalrelid, colocationid FROM pg_dist_partition
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WHERE colocationid >= 1 AND colocationid < 1000
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ORDER BY colocationid, logicalrelid;
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-- try to colocate different replication models
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CREATE TABLE table1_groupG ( id int );
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SELECT create_distributed_table('table1_groupG', 'id');
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-- update replication model
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UPDATE pg_dist_partition SET repmodel = 's' WHERE logicalrelid = 'table1_groupG'::regclass;
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CREATE TABLE table2_groupG ( id int );
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SELECT create_distributed_table('table2_groupG', 'id', colocate_with => 'table1_groupG');
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CREATE TABLE table2_groupG ( id int );
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SELECT create_distributed_table('table2_groupG', 'id', colocate_with => 'NONE');
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SELECT mark_tables_colocated('table1_groupG', ARRAY['table2_groupG']);
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-- drop tables to clean test space
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DROP TABLE table1_groupb;
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DROP TABLE table2_groupb;
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DROP TABLE table1_groupc;
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DROP TABLE table2_groupc;
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DROP TABLE table1_groupd;
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DROP TABLE table2_groupd;
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DROP TABLE table1_groupf;
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DROP TABLE table2_groupf;
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DROP TABLE table1_groupe;
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DROP TABLE table2_groupe;
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DROP TABLE table3_groupe;
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DROP TABLE table4_groupe;
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DROP TABLE schema_collocation.table4_groupe;
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DROP TABLE table1_group_none_1;
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DROP TABLE table2_group_none_1;
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DROP TABLE table1_group_none_2;
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DROP TABLE table1_group_none_3;
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DROP TABLE table1_group_none;
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DROP TABLE table2_group_none;
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DROP TABLE table1_group_default;
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