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citus/src/test/regress/expected/multi_colocation_utils.out

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ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 1300000;
ALTER SEQUENCE pg_catalog.pg_dist_colocationid_seq RESTART 4;
-- ===================================================================
-- create test utility function
-- ===================================================================
CREATE SEQUENCE colocation_test_seq
MINVALUE 1000
NO CYCLE;
/* a very simple UDF that only sets the colocation ids the same
* DO NOT USE THIS FUNCTION IN PRODUCTION. It manually sets colocationid column of
* pg_dist_partition and it does not check anything about pyshical state about shards.
*/
CREATE OR REPLACE FUNCTION colocation_test_colocate_tables(source_table regclass, target_table regclass)
RETURNS BOOL
LANGUAGE plpgsql
AS $colocate_tables$
DECLARE nextid INTEGER;
BEGIN
SELECT nextval('colocation_test_seq') INTO nextid;
UPDATE pg_dist_partition SET colocationId = nextid
WHERE logicalrelid IN
(
(SELECT p1.logicalrelid
FROM pg_dist_partition p1, pg_dist_partition p2
WHERE
p2.logicalrelid = source_table AND
(p1.logicalrelid = source_table OR
(p1.colocationId = p2.colocationId AND p1.colocationId != 0)))
UNION
(SELECT target_table)
);
RETURN TRUE;
END;
$colocate_tables$;
-- ===================================================================
-- create test functions
-- ===================================================================
CREATE FUNCTION get_table_colocation_id(regclass)
RETURNS INTEGER
AS 'citus'
LANGUAGE C STRICT;
CREATE FUNCTION tables_colocated(regclass, regclass)
RETURNS bool
AS 'citus'
LANGUAGE C;
CREATE FUNCTION shards_colocated(bigint, bigint)
RETURNS bool
AS 'citus'
LANGUAGE C STRICT;
CREATE FUNCTION find_shard_interval_index(bigint)
RETURNS int
AS 'citus'
LANGUAGE C STRICT;
-- ===================================================================
-- test co-location util functions
-- ===================================================================
-- create distributed table observe shard pruning
CREATE TABLE table1_group1 ( id int );
SELECT master_create_distributed_table('table1_group1', 'id', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('table1_group1', 4, 2);
master_create_worker_shards
-----------------------------
(1 row)
CREATE TABLE table2_group1 ( id int );
SELECT master_create_distributed_table('table2_group1', 'id', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('table2_group1', 4, 2);
master_create_worker_shards
-----------------------------
(1 row)
CREATE TABLE table3_group2 ( id int );
SELECT master_create_distributed_table('table3_group2', 'id', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('table3_group2', 4, 2);
master_create_worker_shards
-----------------------------
(1 row)
CREATE TABLE table4_group2 ( id int );
SELECT master_create_distributed_table('table4_group2', 'id', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('table4_group2', 4, 2);
master_create_worker_shards
-----------------------------
(1 row)
CREATE TABLE table5_groupX ( id int );
SELECT master_create_distributed_table('table5_groupX', 'id', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('table5_groupX', 4, 2);
master_create_worker_shards
-----------------------------
(1 row)
CREATE TABLE table6_append ( id int );
SELECT master_create_distributed_table('table6_append', 'id', 'append');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_empty_shard('table6_append');
master_create_empty_shard
---------------------------
1300020
(1 row)
SELECT master_create_empty_shard('table6_append');
master_create_empty_shard
---------------------------
1300021
(1 row)
-- make table1_group1 and table2_group1 co-located manually
SELECT colocation_test_colocate_tables('table1_group1', 'table2_group1');
colocation_test_colocate_tables
---------------------------------
t
(1 row)
-- check co-location id
SELECT get_table_colocation_id('table1_group1');
get_table_colocation_id
-------------------------
1000
(1 row)
SELECT get_table_colocation_id('table5_groupX');
get_table_colocation_id
-------------------------
0
(1 row)
SELECT get_table_colocation_id('table6_append');
get_table_colocation_id
-------------------------
0
(1 row)
-- check self table co-location
SELECT tables_colocated('table1_group1', 'table1_group1');
tables_colocated
------------------
t
(1 row)
SELECT tables_colocated('table5_groupX', 'table5_groupX');
tables_colocated
------------------
t
(1 row)
SELECT tables_colocated('table6_append', 'table6_append');
tables_colocated
------------------
t
(1 row)
-- check table co-location with same co-location group
SELECT tables_colocated('table1_group1', 'table2_group1');
tables_colocated
------------------
t
(1 row)
-- check table co-location with different co-location group
SELECT tables_colocated('table1_group1', 'table3_group2');
tables_colocated
------------------
f
(1 row)
-- check table co-location with invalid co-location group
SELECT tables_colocated('table1_group1', 'table5_groupX');
tables_colocated
------------------
f
(1 row)
SELECT tables_colocated('table1_group1', 'table6_append');
tables_colocated
------------------
f
(1 row)
-- check self shard co-location
SELECT shards_colocated(1300000, 1300000);
shards_colocated
------------------
t
(1 row)
SELECT shards_colocated(1300016, 1300016);
shards_colocated
------------------
t
(1 row)
SELECT shards_colocated(1300020, 1300020);
shards_colocated
------------------
t
(1 row)
-- check shard co-location with same co-location group
SELECT shards_colocated(1300000, 1300004);
shards_colocated
------------------
t
(1 row)
-- check shard co-location with same table different co-location group
SELECT shards_colocated(1300000, 1300001);
shards_colocated
------------------
f
(1 row)
-- check shard co-location with different co-location group
SELECT shards_colocated(1300000, 1300005);
shards_colocated
------------------
f
(1 row)
-- check shard co-location with invalid co-location group
SELECT shards_colocated(1300000, 1300016);
shards_colocated
------------------
f
(1 row)
SELECT shards_colocated(1300000, 1300020);
shards_colocated
------------------
f
(1 row)
-- check co-located table list
SELECT UNNEST(get_colocated_table_array('table1_group1'))::regclass;
unnest
---------------
table2_group1
table1_group1
(2 rows)
SELECT UNNEST(get_colocated_table_array('table5_groupX'))::regclass;
unnest
---------------
table5_groupx
(1 row)
SELECT UNNEST(get_colocated_table_array('table6_append'))::regclass;
unnest
---------------
table6_append
(1 row)
-- check co-located shard list
SELECT get_colocated_shard_array(1300000);
get_colocated_shard_array
---------------------------
{1300004,1300000}
(1 row)
SELECT get_colocated_shard_array(1300016);
get_colocated_shard_array
---------------------------
{1300016}
(1 row)
SELECT get_colocated_shard_array(1300020);
get_colocated_shard_array
---------------------------
{1300020}
(1 row)
-- check FindShardIntervalIndex function
SELECT find_shard_interval_index(1300000);
find_shard_interval_index
---------------------------
0
(1 row)
SELECT find_shard_interval_index(1300001);
find_shard_interval_index
---------------------------
1
(1 row)
SELECT find_shard_interval_index(1300002);
find_shard_interval_index
---------------------------
2
(1 row)
SELECT find_shard_interval_index(1300003);
find_shard_interval_index
---------------------------
3
(1 row)
SELECT find_shard_interval_index(1300016);
find_shard_interval_index
---------------------------
0
(1 row)
-- check external colocation API
SET citus.shard_count = 2;
CREATE TABLE table1_groupA ( id int );
SELECT create_distributed_table('table1_groupA', 'id');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table2_groupA ( id int );
SELECT create_distributed_table('table2_groupA', 'id');
create_distributed_table
--------------------------
(1 row)
-- change shard replication factor
SET citus.shard_replication_factor = 1;
CREATE TABLE table1_groupB ( id int );
SELECT create_distributed_table('table1_groupB', 'id');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table2_groupB ( id int );
SELECT create_distributed_table('table2_groupB', 'id');
create_distributed_table
--------------------------
(1 row)
UPDATE pg_dist_partition SET repmodel='c' WHERE logicalrelid='table1_groupB'::regclass;
UPDATE pg_dist_partition SET repmodel='c' WHERE logicalrelid='table2_groupB'::regclass;
-- revert back to default shard replication factor
SET citus.shard_replication_factor to DEFAULT;
-- change partition column type
CREATE TABLE table1_groupC ( id text );
SELECT create_distributed_table('table1_groupC', 'id');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table2_groupC ( id text );
SELECT create_distributed_table('table2_groupC', 'id');
create_distributed_table
--------------------------
(1 row)
-- change shard count
SET citus.shard_count = 4;
CREATE TABLE table1_groupD ( id int );
SELECT create_distributed_table('table1_groupD', 'id');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table2_groupD ( id int );
SELECT create_distributed_table('table2_groupD', 'id');
create_distributed_table
--------------------------
(1 row)
-- try other distribution methods
CREATE TABLE table_append ( id int );
SELECT create_distributed_table('table_append', 'id', 'append');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table_range ( id int );
SELECT create_distributed_table('table_range', 'id', 'range');
create_distributed_table
--------------------------
(1 row)
-- test foreign table creation
CREATE FOREIGN TABLE table3_groupD ( id int ) SERVER fake_fdw_server;
SELECT create_distributed_table('table3_groupD', 'id');
NOTICE: foreign-data wrapper "fake_fdw" does not have an extension defined
create_distributed_table
--------------------------
(1 row)
-- check metadata
SELECT * FROM pg_dist_colocation
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid;
colocationid | shardcount | replicationfactor | distributioncolumntype
--------------+------------+-------------------+------------------------
4 | 2 | 2 | 23
5 | 2 | 1 | 23
6 | 2 | 2 | 25
7 | 4 | 2 | 23
(4 rows)
SELECT logicalrelid, colocationid FROM pg_dist_partition
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY logicalrelid;
logicalrelid | colocationid
---------------+--------------
table1_groupa | 4
table2_groupa | 4
table1_groupb | 5
table2_groupb | 5
table1_groupc | 6
table2_groupc | 6
table1_groupd | 7
table2_groupd | 7
table3_groupd | 7
(9 rows)
-- check effects of dropping tables
DROP TABLE table1_groupA;
SELECT * FROM pg_dist_colocation WHERE colocationid = 4;
colocationid | shardcount | replicationfactor | distributioncolumntype
--------------+------------+-------------------+------------------------
4 | 2 | 2 | 23
(1 row)
-- dropping all tables in a colocation group also deletes the colocation group
DROP TABLE table2_groupA;
SELECT * FROM pg_dist_colocation WHERE colocationid = 4;
colocationid | shardcount | replicationfactor | distributioncolumntype
--------------+------------+-------------------+------------------------
(0 rows)
-- create dropped colocation group again
SET citus.shard_count = 2;
CREATE TABLE table1_groupE ( id int );
SELECT create_distributed_table('table1_groupE', 'id');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table2_groupE ( id int );
SELECT create_distributed_table('table2_groupE', 'id');
create_distributed_table
--------------------------
(1 row)
-- test different table DDL
CREATE TABLE table3_groupE ( dummy_column text, id int );
SELECT create_distributed_table('table3_groupE', 'id');
create_distributed_table
--------------------------
(1 row)
-- test different schema
CREATE SCHEMA schema_collocation;
CREATE TABLE schema_collocation.table4_groupE ( id int );
SELECT create_distributed_table('schema_collocation.table4_groupE', 'id');
create_distributed_table
--------------------------
(1 row)
-- test colocate_with option
CREATE TABLE table1_group_none_1 ( id int );
SELECT create_distributed_table('table1_group_none_1', 'id', colocate_with => 'none');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table2_group_none_1 ( id int );
SELECT create_distributed_table('table2_group_none_1', 'id', colocate_with => 'table1_group_none_1');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table1_group_none_2 ( id int );
SELECT create_distributed_table('table1_group_none_2', 'id', colocate_with => 'none');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table4_groupE ( id int );
SELECT create_distributed_table('table4_groupE', 'id', colocate_with => 'default');
create_distributed_table
--------------------------
(1 row)
SET citus.shard_count = 3;
-- check that this new configuration does not have a default group
CREATE TABLE table1_group_none_3 ( id int );
SELECT create_distributed_table('table1_group_none_3', 'id', colocate_with => 'NONE');
create_distributed_table
--------------------------
(1 row)
-- a new table does not use a non-default group
CREATE TABLE table1_group_default ( id int );
SELECT create_distributed_table('table1_group_default', 'id', colocate_with => 'DEFAULT');
create_distributed_table
--------------------------
(1 row)
-- check metadata
SELECT * FROM pg_dist_colocation
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid;
colocationid | shardcount | replicationfactor | distributioncolumntype
--------------+------------+-------------------+------------------------
5 | 2 | 1 | 23
6 | 2 | 2 | 25
7 | 4 | 2 | 23
8 | 2 | 2 | 23
12 | 3 | 2 | 23
(5 rows)
SELECT logicalrelid, colocationid FROM pg_dist_partition
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid, logicalrelid;
logicalrelid | colocationid
----------------------------------+--------------
table1_groupb | 5
table2_groupb | 5
table1_groupc | 6
table2_groupc | 6
table1_groupd | 7
table2_groupd | 7
table3_groupd | 7
table1_groupe | 8
table2_groupe | 8
table3_groupe | 8
schema_collocation.table4_groupe | 8
table4_groupe | 8
table1_group_none_1 | 9
table2_group_none_1 | 9
table1_group_none_2 | 10
table1_group_none_3 | 11
table1_group_default | 12
(17 rows)
-- check failing colocate_with options
CREATE TABLE table_postgresql( id int );
CREATE TABLE table_failing ( id int );
SELECT create_distributed_table('table_failing', 'id', colocate_with => 'table_append');
ERROR: cannot distribute relation
DETAIL: Currently, colocate_with option is only supported for hash distributed tables.
SELECT create_distributed_table('table_failing', 'id', 'append', 'table1_groupE');
ERROR: cannot distribute relation
DETAIL: Currently, colocate_with option is only supported for hash distributed tables.
SELECT create_distributed_table('table_failing', 'id', colocate_with => 'table_postgresql');
ERROR: relation table_postgresql is not distributed
SELECT create_distributed_table('table_failing', 'id', colocate_with => 'no_table');
ERROR: relation "no_table" does not exist
SELECT create_distributed_table('table_failing', 'id', colocate_with => '');
ERROR: invalid name syntax
SELECT create_distributed_table('table_failing', 'id', colocate_with => NULL);
create_distributed_table
--------------------------
(1 row)
-- check with different distribution column types
CREATE TABLE table_bigint ( id bigint );
SELECT create_distributed_table('table_bigint', 'id', colocate_with => 'table1_groupE');
ERROR: cannot colocate tables table1_groupe and table_bigint
DETAIL: Distribution column types don't match for table1_groupe and table_bigint.
-- check worker table schemas
\c - - - :worker_1_port
SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='public.table3_groupE_1300050'::regclass;
Column | Type | Modifiers
--------------+---------+-----------
dummy_column | text |
id | integer |
(2 rows)
SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='schema_collocation.table4_groupE_1300052'::regclass;
Column | Type | Modifiers
--------+---------+-----------
id | integer |
(1 row)
\c - - - :master_port
CREATE TABLE table1_groupF ( id int );
SELECT create_reference_table('table1_groupF');
create_reference_table
------------------------
(1 row)
CREATE TABLE table2_groupF ( id int );
SELECT create_reference_table('table2_groupF');
create_reference_table
------------------------
(1 row)
-- check metadata
SELECT * FROM pg_dist_colocation
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid;
colocationid | shardcount | replicationfactor | distributioncolumntype
--------------+------------+-------------------+------------------------
5 | 2 | 1 | 23
6 | 2 | 2 | 25
7 | 4 | 2 | 23
8 | 2 | 2 | 23
12 | 3 | 2 | 23
13 | 1 | 2 | 0
(6 rows)
-- cross check with internal colocation API
SELECT
p1.logicalrelid::regclass AS table1,
p2.logicalrelid::regclass AS table2,
tables_colocated(p1.logicalrelid , p2.logicalrelid) AS colocated
FROM
pg_dist_partition p1,
pg_dist_partition p2
WHERE
p1.logicalrelid < p2.logicalrelid AND
p1.colocationid != 0 AND
p2.colocationid != 0 AND
tables_colocated(p1.logicalrelid , p2.logicalrelid) is TRUE
ORDER BY
table1,
table2;
table1 | table2 | colocated
----------------------------------+----------------------------------+-----------
table1_group1 | table2_group1 | t
table1_groupb | table2_groupb | t
table1_groupc | table2_groupc | t
table1_groupd | table2_groupd | t
table1_groupd | table3_groupd | t
table2_groupd | table3_groupd | t
table1_groupe | table2_groupe | t
table1_groupe | table3_groupe | t
table1_groupe | schema_collocation.table4_groupe | t
table1_groupe | table4_groupe | t
table2_groupe | table3_groupe | t
table2_groupe | schema_collocation.table4_groupe | t
table2_groupe | table4_groupe | t
table3_groupe | schema_collocation.table4_groupe | t
table3_groupe | table4_groupe | t
schema_collocation.table4_groupe | table4_groupe | t
table1_group_none_1 | table2_group_none_1 | t
table1_groupf | table2_groupf | t
(18 rows)
-- check created shards
SELECT
logicalrelid,
pg_dist_shard.shardid AS shardid,
shardstorage,
nodeport,
shardminvalue,
shardmaxvalue
FROM
pg_dist_shard,
pg_dist_shard_placement
WHERE
pg_dist_shard.shardid = pg_dist_shard_placement.shardid AND
pg_dist_shard.shardid >= 1300026
ORDER BY
logicalrelid,
shardmaxvalue::integer,
shardid,
placementid;
logicalrelid | shardid | shardstorage | nodeport | shardminvalue | shardmaxvalue
----------------------------------+---------+--------------+----------+---------------+---------------
table1_groupb | 1300026 | t | 57637 | -2147483648 | -1
table1_groupb | 1300027 | t | 57638 | 0 | 2147483647
table2_groupb | 1300028 | t | 57637 | -2147483648 | -1
table2_groupb | 1300029 | t | 57638 | 0 | 2147483647
table1_groupc | 1300030 | t | 57637 | -2147483648 | -1
table1_groupc | 1300030 | t | 57638 | -2147483648 | -1
table1_groupc | 1300031 | t | 57638 | 0 | 2147483647
table1_groupc | 1300031 | t | 57637 | 0 | 2147483647
table2_groupc | 1300032 | t | 57638 | -2147483648 | -1
table2_groupc | 1300032 | t | 57637 | -2147483648 | -1
table2_groupc | 1300033 | t | 57637 | 0 | 2147483647
table2_groupc | 1300033 | t | 57638 | 0 | 2147483647
table1_groupd | 1300034 | t | 57637 | -2147483648 | -1073741825
table1_groupd | 1300034 | t | 57638 | -2147483648 | -1073741825
table1_groupd | 1300035 | t | 57638 | -1073741824 | -1
table1_groupd | 1300035 | t | 57637 | -1073741824 | -1
table1_groupd | 1300036 | t | 57637 | 0 | 1073741823
table1_groupd | 1300036 | t | 57638 | 0 | 1073741823
table1_groupd | 1300037 | t | 57638 | 1073741824 | 2147483647
table1_groupd | 1300037 | t | 57637 | 1073741824 | 2147483647
table2_groupd | 1300038 | t | 57638 | -2147483648 | -1073741825
table2_groupd | 1300038 | t | 57637 | -2147483648 | -1073741825
table2_groupd | 1300039 | t | 57637 | -1073741824 | -1
table2_groupd | 1300039 | t | 57638 | -1073741824 | -1
table2_groupd | 1300040 | t | 57638 | 0 | 1073741823
table2_groupd | 1300040 | t | 57637 | 0 | 1073741823
table2_groupd | 1300041 | t | 57637 | 1073741824 | 2147483647
table2_groupd | 1300041 | t | 57638 | 1073741824 | 2147483647
table3_groupd | 1300042 | f | 57637 | -2147483648 | -1073741825
table3_groupd | 1300042 | f | 57638 | -2147483648 | -1073741825
table3_groupd | 1300043 | f | 57638 | -1073741824 | -1
table3_groupd | 1300043 | f | 57637 | -1073741824 | -1
table3_groupd | 1300044 | f | 57637 | 0 | 1073741823
table3_groupd | 1300044 | f | 57638 | 0 | 1073741823
table3_groupd | 1300045 | f | 57638 | 1073741824 | 2147483647
table3_groupd | 1300045 | f | 57637 | 1073741824 | 2147483647
table1_groupe | 1300046 | t | 57637 | -2147483648 | -1
table1_groupe | 1300046 | t | 57638 | -2147483648 | -1
table1_groupe | 1300047 | t | 57638 | 0 | 2147483647
table1_groupe | 1300047 | t | 57637 | 0 | 2147483647
table2_groupe | 1300048 | t | 57638 | -2147483648 | -1
table2_groupe | 1300048 | t | 57637 | -2147483648 | -1
table2_groupe | 1300049 | t | 57637 | 0 | 2147483647
table2_groupe | 1300049 | t | 57638 | 0 | 2147483647
table3_groupe | 1300050 | t | 57637 | -2147483648 | -1
table3_groupe | 1300050 | t | 57638 | -2147483648 | -1
table3_groupe | 1300051 | t | 57638 | 0 | 2147483647
table3_groupe | 1300051 | t | 57637 | 0 | 2147483647
schema_collocation.table4_groupe | 1300052 | t | 57638 | -2147483648 | -1
schema_collocation.table4_groupe | 1300052 | t | 57637 | -2147483648 | -1
schema_collocation.table4_groupe | 1300053 | t | 57637 | 0 | 2147483647
schema_collocation.table4_groupe | 1300053 | t | 57638 | 0 | 2147483647
table1_group_none_1 | 1300054 | t | 57637 | -2147483648 | -1
table1_group_none_1 | 1300054 | t | 57638 | -2147483648 | -1
table1_group_none_1 | 1300055 | t | 57638 | 0 | 2147483647
table1_group_none_1 | 1300055 | t | 57637 | 0 | 2147483647
table2_group_none_1 | 1300056 | t | 57638 | -2147483648 | -1
table2_group_none_1 | 1300056 | t | 57637 | -2147483648 | -1
table2_group_none_1 | 1300057 | t | 57637 | 0 | 2147483647
table2_group_none_1 | 1300057 | t | 57638 | 0 | 2147483647
table1_group_none_2 | 1300058 | t | 57637 | -2147483648 | -1
table1_group_none_2 | 1300058 | t | 57638 | -2147483648 | -1
table1_group_none_2 | 1300059 | t | 57638 | 0 | 2147483647
table1_group_none_2 | 1300059 | t | 57637 | 0 | 2147483647
table4_groupe | 1300060 | t | 57637 | -2147483648 | -1
table4_groupe | 1300060 | t | 57638 | -2147483648 | -1
table4_groupe | 1300061 | t | 57638 | 0 | 2147483647
table4_groupe | 1300061 | t | 57637 | 0 | 2147483647
table1_group_none_3 | 1300062 | t | 57637 | -2147483648 | -715827884
table1_group_none_3 | 1300062 | t | 57638 | -2147483648 | -715827884
table1_group_none_3 | 1300063 | t | 57638 | -715827883 | 715827881
table1_group_none_3 | 1300063 | t | 57637 | -715827883 | 715827881
table1_group_none_3 | 1300064 | t | 57637 | 715827882 | 2147483647
table1_group_none_3 | 1300064 | t | 57638 | 715827882 | 2147483647
table1_group_default | 1300065 | t | 57637 | -2147483648 | -715827884
table1_group_default | 1300065 | t | 57638 | -2147483648 | -715827884
table1_group_default | 1300066 | t | 57638 | -715827883 | 715827881
table1_group_default | 1300066 | t | 57637 | -715827883 | 715827881
table1_group_default | 1300067 | t | 57637 | 715827882 | 2147483647
table1_group_default | 1300067 | t | 57638 | 715827882 | 2147483647
table1_groupf | 1300068 | t | 57637 | |
table1_groupf | 1300068 | t | 57638 | |
table2_groupf | 1300069 | t | 57637 | |
table2_groupf | 1300069 | t | 57638 | |
(84 rows)
-- reset colocation ids to test mark_tables_colocated
ALTER SEQUENCE pg_catalog.pg_dist_colocationid_seq RESTART 1;
DELETE FROM pg_dist_colocation
WHERE colocationid >= 1 AND colocationid < 1000;
UPDATE pg_dist_partition SET colocationid = 0
WHERE colocationid >= 1 AND colocationid < 1000;
-- check metadata
SELECT * FROM pg_dist_colocation
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid;
colocationid | shardcount | replicationfactor | distributioncolumntype
--------------+------------+-------------------+------------------------
(0 rows)
SELECT logicalrelid, colocationid FROM pg_dist_partition
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid, logicalrelid;
logicalrelid | colocationid
--------------+--------------
(0 rows)
-- first check failing cases
SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupC']);
ERROR: cannot colocate tables table1_groupb and table1_groupc
DETAIL: Distribution column types don't match for table1_groupb and table1_groupc.
SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupD']);
ERROR: cannot colocate tables table1_groupb and table1_groupd
DETAIL: Shard counts don't match for table1_groupb and table1_groupd.
SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupE']);
ERROR: cannot colocate tables table1_groupb and table1_groupe
DETAIL: Shard 1300026 of table1_groupb and shard 1300046 of table1_groupe have different number of shard placements.
SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupF']);
ERROR: cannot colocate tables table1_groupb and table1_groupf
DETAIL: Replication models don't match for table1_groupb and table1_groupf.
SELECT mark_tables_colocated('table1_groupB', ARRAY['table2_groupB', 'table1_groupD']);
ERROR: cannot colocate tables table1_groupb and table1_groupd
DETAIL: Shard counts don't match for table1_groupb and table1_groupd.
-- check metadata to see failing calls didn't have any side effects
SELECT * FROM pg_dist_colocation
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid;
colocationid | shardcount | replicationfactor | distributioncolumntype
--------------+------------+-------------------+------------------------
(0 rows)
SELECT logicalrelid, colocationid FROM pg_dist_partition
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid, logicalrelid;
logicalrelid | colocationid
--------------+--------------
(0 rows)
-- check successfully cololated tables
SELECT mark_tables_colocated('table1_groupB', ARRAY['table2_groupB']);
mark_tables_colocated
-----------------------
(1 row)
SELECT mark_tables_colocated('table1_groupC', ARRAY['table2_groupC']);
mark_tables_colocated
-----------------------
(1 row)
SELECT mark_tables_colocated('table1_groupD', ARRAY['table2_groupD']);
mark_tables_colocated
-----------------------
(1 row)
SELECT mark_tables_colocated('table1_groupE', ARRAY['table2_groupE', 'table3_groupE']);
mark_tables_colocated
-----------------------
(1 row)
SELECT mark_tables_colocated('table1_groupF', ARRAY['table2_groupF']);
mark_tables_colocated
-----------------------
(1 row)
-- check to colocate with itself
SELECT mark_tables_colocated('table1_groupB', ARRAY['table1_groupB']);
mark_tables_colocated
-----------------------
(1 row)
SET citus.shard_count = 2;
CREATE TABLE table1_group_none ( id int );
SELECT create_distributed_table('table1_group_none', 'id', colocate_with => 'NONE');
create_distributed_table
--------------------------
(1 row)
CREATE TABLE table2_group_none ( id int );
SELECT create_distributed_table('table2_group_none', 'id', colocate_with => 'NONE');
create_distributed_table
--------------------------
(1 row)
-- check metadata to see colocation groups are created successfully
SELECT * FROM pg_dist_colocation
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid;
colocationid | shardcount | replicationfactor | distributioncolumntype
--------------+------------+-------------------+------------------------
2 | 2 | 1 | 23
3 | 2 | 2 | 25
4 | 4 | 2 | 23
5 | 2 | 2 | 23
6 | 1 | 2 | 0
(5 rows)
SELECT logicalrelid, colocationid FROM pg_dist_partition
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid, logicalrelid;
logicalrelid | colocationid
-------------------+--------------
table1_groupb | 2
table2_groupb | 2
table1_groupc | 3
table2_groupc | 3
table1_groupd | 4
table2_groupd | 4
table1_groupe | 5
table2_groupe | 5
table3_groupe | 5
table1_groupf | 6
table2_groupf | 6
table1_group_none | 7
table2_group_none | 8
(13 rows)
-- move the all tables in colocation group 5 to colocation group 7
SELECT mark_tables_colocated('table1_group_none', ARRAY['table1_groupE', 'table2_groupE', 'table3_groupE']);
mark_tables_colocated
-----------------------
(1 row)
-- move a table with a colocation id which is already not in pg_dist_colocation
SELECT mark_tables_colocated('table1_group_none', ARRAY['table2_group_none']);
mark_tables_colocated
-----------------------
(1 row)
-- check metadata to see that unused colocation group is deleted
SELECT * FROM pg_dist_colocation
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid;
colocationid | shardcount | replicationfactor | distributioncolumntype
--------------+------------+-------------------+------------------------
2 | 2 | 1 | 23
3 | 2 | 2 | 25
4 | 4 | 2 | 23
6 | 1 | 2 | 0
(4 rows)
SELECT logicalrelid, colocationid FROM pg_dist_partition
WHERE colocationid >= 1 AND colocationid < 1000
ORDER BY colocationid, logicalrelid;
logicalrelid | colocationid
-------------------+--------------
table1_groupb | 2
table2_groupb | 2
table1_groupc | 3
table2_groupc | 3
table1_groupd | 4
table2_groupd | 4
table1_groupf | 6
table2_groupf | 6
table1_groupe | 7
table2_groupe | 7
table3_groupe | 7
table1_group_none | 7
table2_group_none | 7
(13 rows)
-- try to colocate different replication models
CREATE TABLE table1_groupG ( id int );
SELECT create_distributed_table('table1_groupG', 'id');
create_distributed_table
--------------------------
(1 row)
-- update replication model
UPDATE pg_dist_partition SET repmodel = 's' WHERE logicalrelid = 'table1_groupG'::regclass;
CREATE TABLE table2_groupG ( id int );
SELECT create_distributed_table('table2_groupG', 'id', colocate_with => 'table1_groupG');
ERROR: cannot colocate tables table1_groupg and table2_groupg
DETAIL: Replication models don't match for table1_groupg and table2_groupg.
CREATE TABLE table2_groupG ( id int );
ERROR: relation "table2_groupg" already exists
SELECT create_distributed_table('table2_groupG', 'id', colocate_with => 'NONE');
create_distributed_table
--------------------------
(1 row)
SELECT mark_tables_colocated('table1_groupG', ARRAY['table2_groupG']);
ERROR: cannot colocate tables table1_groupg and table2_groupg
DETAIL: Replication models don't match for table1_groupg and table2_groupg.
-- drop tables to clean test space
DROP TABLE table1_groupb;
DROP TABLE table2_groupb;
DROP TABLE table1_groupc;
DROP TABLE table2_groupc;
DROP TABLE table1_groupd;
DROP TABLE table2_groupd;
DROP TABLE table1_groupf;
DROP TABLE table2_groupf;
DROP TABLE table1_groupe;
DROP TABLE table2_groupe;
DROP TABLE table3_groupe;
DROP TABLE table4_groupe;
DROP TABLE schema_collocation.table4_groupe;
DROP TABLE table1_group_none_1;
DROP TABLE table2_group_none_1;
DROP TABLE table1_group_none_2;
DROP TABLE table1_group_none_3;
DROP TABLE table1_group_none;
DROP TABLE table2_group_none;
DROP TABLE table1_group_default;
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