mirror of https://github.com/citusdata/citus.git
845 lines
30 KiB
PL/PgSQL
845 lines
30 KiB
PL/PgSQL
CREATE SCHEMA single_node;
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SET search_path TO single_node;
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SET citus.shard_count TO 4;
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SET citus.shard_replication_factor TO 1;
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SET citus.next_shard_id TO 90630500;
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SET citus.replication_model TO 'streaming';
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-- adding the coordinator as inactive is disallowed
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SELECT 1 FROM master_add_inactive_node('localhost', :master_port, groupid => 0);
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-- idempotently add node to allow this test to run without add_coordinator
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SET client_min_messages TO WARNING;
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SELECT 1 FROM citus_set_coordinator_host('localhost', :master_port);
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-- coordinator cannot be disabled
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SELECT 1 FROM master_disable_node('localhost', :master_port);
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RESET client_min_messages;
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SELECT 1 FROM master_remove_node('localhost', :master_port);
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SELECT count(*) FROM pg_dist_node;
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-- there are no workers now, but we should still be able to create Citus tables
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CREATE TABLE ref(x int, y int);
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SELECT create_reference_table('ref');
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SELECT groupid, nodename, nodeport, isactive, shouldhaveshards, hasmetadata, metadatasynced FROM pg_dist_node;
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DROP TABLE ref;
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-- remove the coordinator to try again with create_reference_table
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SELECT master_remove_node(nodename, nodeport) FROM pg_dist_node WHERE groupid = 0;
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CREATE TABLE loc(x int, y int);
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SELECT create_citus_local_table('loc');
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SELECT groupid, nodename, nodeport, isactive, shouldhaveshards, hasmetadata, metadatasynced FROM pg_dist_node;
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DROP TABLE loc;
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-- remove the coordinator to try again with create_distributed_table
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SELECT master_remove_node(nodename, nodeport) FROM pg_dist_node WHERE groupid = 0;
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CREATE TABLE test(x int, y int);
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SELECT create_distributed_table('test','x');
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SELECT groupid, nodename, nodeport, isactive, shouldhaveshards, hasmetadata, metadatasynced FROM pg_dist_node;
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-- cannot add workers with specific IP as long as I have a placeholder coordinator record
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SELECT 1 FROM master_add_node('127.0.0.1', :worker_1_port);
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-- adding localhost workers is ok
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SELECT 1 FROM master_add_node('localhost', :worker_1_port);
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SELECT 1 FROM master_remove_node('localhost', :worker_1_port);
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-- set the coordinator host to something different than localhost
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SELECT 1 FROM citus_set_coordinator_host('127.0.0.1');
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-- adding workers with specific IP is ok now
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SELECT 1 FROM master_add_node('127.0.0.1', :worker_1_port);
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SELECT 1 FROM master_remove_node('127.0.0.1', :worker_1_port);
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-- set the coordinator host back to localhost for the remainder of tests
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SELECT 1 FROM citus_set_coordinator_host('localhost');
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-- should have shards setting should not really matter for a single node
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SELECT 1 FROM master_set_node_property('localhost', :master_port, 'shouldhaveshards', true);
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CREATE TYPE new_type AS (n int, m text);
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CREATE TABLE test_2(x int, y int, z new_type);
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SELECT create_distributed_table('test_2','x');
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CREATE TABLE ref(a int, b int);
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SELECT create_reference_table('ref');
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CREATE TABLE local(c int, d int);
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CREATE TABLE public.another_schema_table(a int, b int);
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SELECT create_distributed_table('public.another_schema_table', 'a');
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-- Confirm the basics work
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INSERT INTO test VALUES (1, 2), (3, 4), (5, 6), (2, 7), (4, 5);
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SELECT * FROM test WHERE x = 1;
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SELECT count(*) FROM test;
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SELECT * FROM test ORDER BY x;
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UPDATE test SET y = y + 1 RETURNING *;
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WITH cte_1 AS (UPDATE test SET y = y - 1 RETURNING *) SELECT * FROM cte_1 ORDER BY 1,2;
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-- Test upsert with constraint
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CREATE TABLE upsert_test
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(
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part_key int UNIQUE,
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other_col int,
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third_col int
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);
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-- distribute the table
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SELECT create_distributed_table('upsert_test', 'part_key');
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-- do a regular insert
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INSERT INTO upsert_test (part_key, other_col) VALUES (1, 1), (2, 2) RETURNING *;
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SET citus.log_remote_commands to true;
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-- observe that there is a conflict and the following query does nothing
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INSERT INTO upsert_test (part_key, other_col) VALUES (1, 1) ON CONFLICT DO NOTHING RETURNING *;
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-- same as the above with different syntax
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INSERT INTO upsert_test (part_key, other_col) VALUES (1, 1) ON CONFLICT (part_key) DO NOTHING RETURNING *;
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-- again the same query with another syntax
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INSERT INTO upsert_test (part_key, other_col) VALUES (1, 1) ON CONFLICT ON CONSTRAINT upsert_test_part_key_key DO NOTHING RETURNING *;
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BEGIN;
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-- force local execution
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SELECT count(*) FROM upsert_test WHERE part_key = 1;
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SET citus.log_remote_commands to false;
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-- multi-shard pushdown query that goes through local execution
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INSERT INTO upsert_test (part_key, other_col) SELECT part_key, other_col FROM upsert_test ON CONFLICT ON CONSTRAINT upsert_test_part_key_key DO NOTHING RETURNING *;
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-- multi-shard pull-to-coordinator query that goes through local execution
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INSERT INTO upsert_test (part_key, other_col) SELECT part_key, other_col FROM upsert_test LIMIT 100 ON CONFLICT ON CONSTRAINT upsert_test_part_key_key DO NOTHING RETURNING *;
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COMMIT;
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-- to test citus local tables
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select undistribute_table('upsert_test');
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-- create citus local table
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select create_citus_local_table('upsert_test');
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-- test the constraint with local execution
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INSERT INTO upsert_test (part_key, other_col) VALUES (1, 1) ON CONFLICT ON CONSTRAINT upsert_test_part_key_key DO NOTHING RETURNING *;
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DROP TABLE upsert_test;
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CREATE SCHEMA "Quoed.Schema";
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SET search_path TO "Quoed.Schema";
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CREATE TABLE "long_constraint_upsert\_test"
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(
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part_key int,
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other_col int,
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third_col int,
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CONSTRAINT "looo oooo ooooo ooooooooooooooooo oooooooo oooooooo ng quoted \aconstraint" UNIQUE (part_key)
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);
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-- distribute the table and create shards
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SELECT create_distributed_table('"long_constraint_upsert\_test"', 'part_key');
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INSERT INTO "long_constraint_upsert\_test" (part_key, other_col) VALUES (1, 1) ON CONFLICT ON CONSTRAINT "looo oooo ooooo ooooooooooooooooo oooooooo oooooooo ng quoted \aconstraint" DO NOTHING RETURNING *;
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ALTER TABLE "long_constraint_upsert\_test" RENAME TO simple_table_name;
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INSERT INTO simple_table_name (part_key, other_col) VALUES (1, 1) ON CONFLICT ON CONSTRAINT "looo oooo ooooo ooooooooooooooooo oooooooo oooooooo ng quoted \aconstraint" DO NOTHING RETURNING *;
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-- this is currently not supported, but once we support
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-- make sure that the following query also works fine
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ALTER TABLE simple_table_name RENAME CONSTRAINT "looo oooo ooooo ooooooooooooooooo oooooooo oooooooo ng quoted \aconstraint" TO simple_constraint_name;
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--INSERT INTO simple_table_name (part_key, other_col) VALUES (1, 1) ON CONFLICT ON CONSTRAINT simple_constraint_name DO NOTHING RETURNING *;
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SET search_path TO single_node;
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DROP SCHEMA "Quoed.Schema" CASCADE;
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-- test partitioned index creation with long name
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CREATE TABLE test_index_creation1
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(
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tenant_id integer NOT NULL,
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timeperiod timestamp without time zone NOT NULL,
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field1 integer NOT NULL,
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inserted_utc timestamp without time zone NOT NULL DEFAULT now(),
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PRIMARY KEY(tenant_id, timeperiod)
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) PARTITION BY RANGE (timeperiod);
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CREATE TABLE test_index_creation1_p2020_09_26
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PARTITION OF test_index_creation1 FOR VALUES FROM ('2020-09-26 00:00:00') TO ('2020-09-27 00:00:00');
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CREATE TABLE test_index_creation1_p2020_09_27
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PARTITION OF test_index_creation1 FOR VALUES FROM ('2020-09-27 00:00:00') TO ('2020-09-28 00:00:00');
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select create_distributed_table('test_index_creation1', 'tenant_id');
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-- should be able to create indexes with INCLUDE/WHERE
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CREATE INDEX ix_test_index_creation5 ON test_index_creation1
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USING btree(tenant_id, timeperiod)
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INCLUDE (field1) WHERE (tenant_id = 100);
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-- test if indexes are created
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SELECT 1 AS created WHERE EXISTS(SELECT * FROM pg_indexes WHERE indexname LIKE '%test_index_creation%');
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-- test citus size functions in transaction with modification
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CREATE TABLE test_citus_size_func (a int);
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SELECT create_distributed_table('test_citus_size_func', 'a');
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INSERT INTO test_citus_size_func VALUES(1), (2);
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BEGIN;
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-- DDL with citus_table_size
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ALTER TABLE test_citus_size_func ADD COLUMN newcol INT;
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SELECT citus_table_size('test_citus_size_func');
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ROLLBACK;
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BEGIN;
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-- DDL with citus_relation_size
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ALTER TABLE test_citus_size_func ADD COLUMN newcol INT;
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SELECT citus_relation_size('test_citus_size_func');
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ROLLBACK;
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BEGIN;
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-- DDL with citus_total_relation_size
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ALTER TABLE test_citus_size_func ADD COLUMN newcol INT;
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SELECT citus_total_relation_size('test_citus_size_func');
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ROLLBACK;
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BEGIN;
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-- single shard insert with citus_table_size
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INSERT INTO test_citus_size_func VALUES (3);
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SELECT citus_table_size('test_citus_size_func');
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ROLLBACK;
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BEGIN;
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-- multi shard modification with citus_table_size
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INSERT INTO test_citus_size_func SELECT * FROM test_citus_size_func;
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SELECT citus_table_size('test_citus_size_func');
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ROLLBACK;
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BEGIN;
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-- single shard insert with citus_relation_size
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INSERT INTO test_citus_size_func VALUES (3);
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SELECT citus_relation_size('test_citus_size_func');
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ROLLBACK;
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BEGIN;
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-- multi shard modification with citus_relation_size
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INSERT INTO test_citus_size_func SELECT * FROM test_citus_size_func;
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SELECT citus_relation_size('test_citus_size_func');
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ROLLBACK;
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BEGIN;
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-- single shard insert with citus_total_relation_size
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INSERT INTO test_citus_size_func VALUES (3);
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SELECT citus_total_relation_size('test_citus_size_func');
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ROLLBACK;
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BEGIN;
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-- multi shard modification with citus_total_relation_size
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INSERT INTO test_citus_size_func SELECT * FROM test_citus_size_func;
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SELECT citus_total_relation_size('test_citus_size_func');
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ROLLBACK;
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-- we should be able to limit intermediate results
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BEGIN;
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SET LOCAL citus.max_intermediate_result_size TO 0;
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WITH cte_1 AS (SELECT * FROM test OFFSET 0) SELECT * FROM cte_1;
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ROLLBACK;
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-- the first cte (cte_1) does not exceed the limit
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-- but the second (cte_2) exceeds, so we error out
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BEGIN;
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SET LOCAL citus.max_intermediate_result_size TO '1kB';
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INSERT INTO test SELECT i,i from generate_series(0,1000)i;
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-- only pulls 1 row, should not hit the limit
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WITH cte_1 AS (SELECT * FROM test LIMIT 1) SELECT count(*) FROM cte_1;
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-- cte_1 only pulls 1 row, but cte_2 all rows
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WITH cte_1 AS (SELECT * FROM test LIMIT 1),
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cte_2 AS (SELECT * FROM test OFFSET 0)
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SELECT count(*) FROM cte_1, cte_2;
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ROLLBACK;
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-- single shard and multi-shard delete
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-- inside a transaction block
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BEGIN;
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DELETE FROM test WHERE y = 5;
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INSERT INTO test VALUES (4, 5);
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DELETE FROM test WHERE x = 1;
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INSERT INTO test VALUES (1, 2);
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COMMIT;
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CREATE INDEX single_node_i1 ON test(x);
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CREATE INDEX single_node_i2 ON test(x,y);
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REINDEX SCHEMA single_node;
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-- PG 11 does not support CONCURRENTLY
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-- and we do not want to add a new output
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-- file just for that. Enable the test
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-- once we remove PG_VERSION_11
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--REINDEX SCHEMA CONCURRENTLY single_node;
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-- keep one of the indexes
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-- drop w/wout tx blocks
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BEGIN;
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DROP INDEX single_node_i2;
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ROLLBACK;
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DROP INDEX single_node_i2;
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-- change the schema w/wout TX block
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BEGIN;
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ALTER TABLE public.another_schema_table SET SCHEMA single_node;
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ROLLBACK;
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ALTER TABLE public.another_schema_table SET SCHEMA single_node;
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BEGIN;
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TRUNCATE test;
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SELECT * FROM test;
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ROLLBACK;
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VACUUM test;
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VACUUM test, test_2;
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VACUUM ref, test;
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VACUUM ANALYZE test(x);
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ANALYZE ref;
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ANALYZE test_2;
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VACUUM local;
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VACUUM local, ref, test, test_2;
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VACUUM FULL test, ref;
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BEGIN;
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ALTER TABLE test ADD COLUMN z INT DEFAULT 66;
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SELECT count(*) FROM test WHERE z = 66;
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ROLLBACK;
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-- explain analyze should work on a single node
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EXPLAIN (COSTS FALSE, ANALYZE TRUE, TIMING FALSE, SUMMARY FALSE)
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SELECT * FROM test;
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-- common utility command
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SELECT pg_size_pretty(citus_relation_size('test'::regclass));
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-- basic view queries
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CREATE VIEW single_node_view AS
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SELECT count(*) as cnt FROM test t1 JOIN test t2 USING (x);
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SELECT * FROM single_node_view;
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SELECT * FROM single_node_view, test WHERE test.x = single_node_view.cnt;
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-- copy in/out
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BEGIN;
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COPY test(x) FROM PROGRAM 'seq 32';
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SELECT count(*) FROM test;
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COPY (SELECT count(DISTINCT x) FROM test) TO STDOUT;
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INSERT INTO test SELECT i,i FROM generate_series(0,100)i;
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ROLLBACK;
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-- alter table inside a tx block
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BEGIN;
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ALTER TABLE test ADD COLUMN z single_node.new_type;
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INSERT INTO test VALUES (99, 100, (1, 'onder')::new_type) RETURNING *;
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ROLLBACK;
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-- prepared statements with custom types
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PREPARE single_node_prepare_p1(int, int, new_type) AS
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INSERT INTO test_2 VALUES ($1, $2, $3);
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EXECUTE single_node_prepare_p1(1, 1, (95, 'citus9.5')::new_type);
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EXECUTE single_node_prepare_p1(2 ,2, (94, 'citus9.4')::new_type);
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EXECUTE single_node_prepare_p1(3 ,2, (93, 'citus9.3')::new_type);
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EXECUTE single_node_prepare_p1(4 ,2, (92, 'citus9.2')::new_type);
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EXECUTE single_node_prepare_p1(5 ,2, (91, 'citus9.1')::new_type);
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EXECUTE single_node_prepare_p1(6 ,2, (90, 'citus9.0')::new_type);
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PREPARE use_local_query_cache(int) AS SELECT count(*) FROM test_2 WHERE x = $1;
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EXECUTE use_local_query_cache(1);
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EXECUTE use_local_query_cache(1);
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EXECUTE use_local_query_cache(1);
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EXECUTE use_local_query_cache(1);
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EXECUTE use_local_query_cache(1);
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SET client_min_messages TO DEBUG2;
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-- the 6th execution will go through the planner
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-- the 7th execution will skip the planner as it uses the cache
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EXECUTE use_local_query_cache(1);
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EXECUTE use_local_query_cache(1);
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RESET client_min_messages;
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-- partitioned table should be fine, adding for completeness
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CREATE TABLE collections_list (
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key bigint,
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ts timestamptz DEFAULT now(),
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collection_id integer,
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value numeric,
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PRIMARY KEY(key, collection_id)
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) PARTITION BY LIST (collection_id );
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SELECT create_distributed_table('collections_list', 'key');
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CREATE TABLE collections_list_0
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PARTITION OF collections_list (key, ts, collection_id, value)
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FOR VALUES IN ( 0 );
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CREATE TABLE collections_list_1
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PARTITION OF collections_list (key, ts, collection_id, value)
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FOR VALUES IN ( 1 );
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INSERT INTO collections_list SELECT i, '2011-01-01', i % 2, i * i FROM generate_series(0, 100) i;
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SELECT count(*) FROM collections_list WHERE key < 10 AND collection_id = 1;
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SELECT count(*) FROM collections_list_0 WHERE key < 10 AND collection_id = 1;
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SELECT count(*) FROM collections_list_1 WHERE key = 11;
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ALTER TABLE collections_list DROP COLUMN ts;
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SELECT * FROM collections_list, collections_list_0 WHERE collections_list.key=collections_list_0.key ORDER BY 1 DESC,2 DESC,3 DESC,4 DESC LIMIT 1;
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-- make sure that parallel accesses are good
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SET citus.force_max_query_parallelization TO ON;
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SELECT * FROM test_2 ORDER BY 1 DESC;
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DELETE FROM test_2 WHERE y = 1000 RETURNING *;
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RESET citus.force_max_query_parallelization ;
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BEGIN;
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INSERT INTO test_2 VALUES (7 ,2, (83, 'citus8.3')::new_type);
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SAVEPOINT s1;
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INSERT INTO test_2 VALUES (9 ,1, (82, 'citus8.2')::new_type);
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SAVEPOINT s2;
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ROLLBACK TO SAVEPOINT s1;
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SELECT * FROM test_2 WHERE z = (83, 'citus8.3')::new_type OR z = (82, 'citus8.2')::new_type;
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RELEASE SAVEPOINT s1;
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COMMIT;
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SELECT * FROM test_2 WHERE z = (83, 'citus8.3')::new_type OR z = (82, 'citus8.2')::new_type;
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-- final query is only intermediate result
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-- we want PG 11/12/13 behave consistently, the CTEs should be MATERIALIZED
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SET citus.enable_cte_inlining TO FALSE;
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WITH cte_1 AS (SELECT * FROM test_2) SELECT * FROM cte_1 ORDER BY 1,2;
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-- final query is router query
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WITH cte_1 AS (SELECT * FROM test_2) SELECT * FROM cte_1, test_2 WHERE test_2.x = cte_1.x AND test_2.x = 7 ORDER BY 1,2;
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-- final query is a distributed query
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WITH cte_1 AS (SELECT * FROM test_2) SELECT * FROM cte_1, test_2 WHERE test_2.x = cte_1.x AND test_2.y != 2 ORDER BY 1,2;
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-- query pushdown should work
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SELECT
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*
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FROM
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(SELECT x, count(*) FROM test_2 GROUP BY x) as foo,
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(SELECT x, count(*) FROM test_2 GROUP BY x) as bar
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WHERE
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foo.x = bar.x
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ORDER BY 1 DESC, 2 DESC, 3 DESC, 4 DESC
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LIMIT 1;
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-- make sure that foreign keys work fine
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ALTER TABLE test_2 ADD CONSTRAINT first_pkey PRIMARY KEY (x);
|
|
ALTER TABLE test ADD CONSTRAINT foreign_key FOREIGN KEY (x) REFERENCES test_2(x) ON DELETE CASCADE;
|
|
|
|
-- show that delete on test_2 cascades to test
|
|
SELECT * FROM test WHERE x = 5;
|
|
DELETE FROM test_2 WHERE x = 5;
|
|
SELECT * FROM test WHERE x = 5;
|
|
INSERT INTO test_2 VALUES (5 ,2, (91, 'citus9.1')::new_type);
|
|
INSERT INTO test VALUES (5, 6);
|
|
|
|
INSERT INTO ref VALUES (1, 2), (5, 6), (7, 8);
|
|
SELECT count(*) FROM ref;
|
|
SELECT * FROM ref ORDER BY a;
|
|
SELECT * FROM test, ref WHERE x = a ORDER BY x;
|
|
|
|
INSERT INTO local VALUES (1, 2), (3, 4), (7, 8);
|
|
SELECT count(*) FROM local;
|
|
SELECT * FROM local ORDER BY c;
|
|
SELECT * FROM ref, local WHERE a = c ORDER BY a;
|
|
|
|
-- Check repartion joins are supported
|
|
SET citus.enable_repartition_joins TO ON;
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
SET citus.enable_single_hash_repartition_joins TO ON;
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
|
|
SET search_path TO public;
|
|
SET citus.enable_single_hash_repartition_joins TO OFF;
|
|
SELECT * FROM single_node.test t1, single_node.test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
SET citus.enable_single_hash_repartition_joins TO ON;
|
|
SELECT * FROM single_node.test t1, single_node.test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
SET search_path TO single_node;
|
|
|
|
SET citus.task_assignment_policy TO 'round-robin';
|
|
SET citus.enable_single_hash_repartition_joins TO ON;
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
|
|
SET citus.task_assignment_policy TO 'greedy';
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
|
|
SET citus.task_assignment_policy TO 'first-replica';
|
|
SELECT * FROM test t1, test t2 WHERE t1.x = t2.y ORDER BY t1.x;
|
|
|
|
RESET citus.enable_repartition_joins;
|
|
RESET citus.enable_single_hash_repartition_joins;
|
|
|
|
-- INSERT SELECT router
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT x, y FROM test WHERE x = 1;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
|
|
-- INSERT SELECT pushdown
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT x, y FROM test;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT analytical query
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT count(x), max(y) FROM test;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT repartition
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT y, x FROM test;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from reference table into distributed
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT a, b FROM ref;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from local table into distributed
|
|
BEGIN;
|
|
INSERT INTO test(x, y) SELECT c, d FROM local;
|
|
SELECT count(*) from test;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO ref(a, b) SELECT x, y FROM test;
|
|
SELECT count(*) from ref;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO ref(a, b) SELECT c, d FROM local;
|
|
SELECT count(*) from ref;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO local(c, d) SELECT x, y FROM test;
|
|
SELECT count(*) from local;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO local(c, d) SELECT a, b FROM ref;
|
|
SELECT count(*) from local;
|
|
ROLLBACK;
|
|
|
|
-- Confirm that dummy placements work
|
|
SELECT count(*) FROM test WHERE false;
|
|
SELECT count(*) FROM test WHERE false GROUP BY GROUPING SETS (x,y);
|
|
-- Confirm that they work with round-robin task assignment policy
|
|
SET citus.task_assignment_policy TO 'round-robin';
|
|
SELECT count(*) FROM test WHERE false;
|
|
SELECT count(*) FROM test WHERE false GROUP BY GROUPING SETS (x,y);
|
|
RESET citus.task_assignment_policy;
|
|
|
|
SELECT count(*) FROM test;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO ref(a, b) SELECT x, y FROM test;
|
|
SELECT count(*) from ref;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO ref(a, b) SELECT c, d FROM local;
|
|
SELECT count(*) from ref;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO local(c, d) SELECT x, y FROM test;
|
|
SELECT count(*) from local;
|
|
ROLLBACK;
|
|
|
|
-- INSERT SELECT from distributed table to local table
|
|
BEGIN;
|
|
INSERT INTO local(c, d) SELECT a, b FROM ref;
|
|
SELECT count(*) from local;
|
|
ROLLBACK;
|
|
|
|
-- query fails on the shards should be handled
|
|
-- nicely
|
|
SELECT x/0 FROM test;
|
|
|
|
-- Add "fake" pg_dist_transaction records and run recovery
|
|
-- to show that it is recovered
|
|
|
|
-- Temporarily disable automatic 2PC recovery
|
|
ALTER SYSTEM SET citus.recover_2pc_interval TO -1;
|
|
SELECT pg_reload_conf();
|
|
|
|
BEGIN;
|
|
CREATE TABLE should_commit (value int);
|
|
PREPARE TRANSACTION 'citus_0_should_commit';
|
|
|
|
-- zero is the coordinator's group id, so we can hard code it
|
|
INSERT INTO pg_dist_transaction VALUES (0, 'citus_0_should_commit');
|
|
SELECT recover_prepared_transactions();
|
|
|
|
-- the table should be seen
|
|
SELECT * FROM should_commit;
|
|
|
|
-- set the original back
|
|
ALTER SYSTEM RESET citus.recover_2pc_interval;
|
|
SELECT pg_reload_conf();
|
|
|
|
RESET citus.task_executor_type;
|
|
|
|
-- make sure undistribute table works fine
|
|
ALTER TABLE test DROP CONSTRAINT foreign_key;
|
|
SELECT undistribute_table('test_2');
|
|
SELECT * FROM pg_dist_partition WHERE logicalrelid = 'test_2'::regclass;
|
|
|
|
CREATE TABLE reference_table_1 (col_1 INT UNIQUE, col_2 INT UNIQUE, UNIQUE (col_2, col_1));
|
|
SELECT create_reference_table('reference_table_1');
|
|
|
|
CREATE TABLE distributed_table_1 (col_1 INT UNIQUE);
|
|
SELECT create_distributed_table('distributed_table_1', 'col_1');
|
|
|
|
CREATE TABLE citus_local_table_1 (col_1 INT UNIQUE);
|
|
SELECT create_citus_local_table('citus_local_table_1');
|
|
|
|
CREATE TABLE partitioned_table_1 (col_1 INT UNIQUE, col_2 INT) PARTITION BY RANGE (col_1);
|
|
CREATE TABLE partitioned_table_1_100_200 PARTITION OF partitioned_table_1 FOR VALUES FROM (100) TO (200);
|
|
CREATE TABLE partitioned_table_1_200_300 PARTITION OF partitioned_table_1 FOR VALUES FROM (200) TO (300);
|
|
SELECT create_distributed_table('partitioned_table_1', 'col_1');
|
|
|
|
ALTER TABLE citus_local_table_1 ADD CONSTRAINT fkey_1 FOREIGN KEY (col_1) REFERENCES reference_table_1(col_2);
|
|
ALTER TABLE reference_table_1 ADD CONSTRAINT fkey_2 FOREIGN KEY (col_2) REFERENCES reference_table_1(col_1);
|
|
ALTER TABLE distributed_table_1 ADD CONSTRAINT fkey_3 FOREIGN KEY (col_1) REFERENCES reference_table_1(col_1);
|
|
ALTER TABLE citus_local_table_1 ADD CONSTRAINT fkey_4 FOREIGN KEY (col_1) REFERENCES reference_table_1(col_2);
|
|
ALTER TABLE partitioned_table_1 ADD CONSTRAINT fkey_5 FOREIGN KEY (col_1) REFERENCES reference_table_1(col_2);
|
|
|
|
SELECT undistribute_table('partitioned_table_1', cascade_via_foreign_keys=>true);
|
|
|
|
CREATE TABLE local_table_1 (col_1 INT UNIQUE);
|
|
CREATE TABLE local_table_2 (col_1 INT UNIQUE);
|
|
CREATE TABLE local_table_3 (col_1 INT UNIQUE);
|
|
|
|
ALTER TABLE local_table_2 ADD CONSTRAINT fkey_6 FOREIGN KEY (col_1) REFERENCES local_table_1(col_1);
|
|
ALTER TABLE local_table_3 ADD CONSTRAINT fkey_7 FOREIGN KEY (col_1) REFERENCES local_table_1(col_1);
|
|
ALTER TABLE local_table_1 ADD CONSTRAINT fkey_8 FOREIGN KEY (col_1) REFERENCES local_table_1(col_1);
|
|
|
|
SELECT create_citus_local_table('local_table_2', cascade_via_foreign_keys=>true);
|
|
|
|
CREATE PROCEDURE call_delegation(x int) LANGUAGE plpgsql AS $$
|
|
BEGIN
|
|
INSERT INTO test (x) VALUES ($1);
|
|
END;$$;
|
|
SELECT * FROM pg_dist_node;
|
|
SELECT create_distributed_function('call_delegation(int)', '$1', 'test');
|
|
|
|
CREATE FUNCTION function_delegation(int) RETURNS void AS $$
|
|
BEGIN
|
|
UPDATE test SET y = y + 1 WHERE x < $1;
|
|
END;
|
|
$$ LANGUAGE plpgsql;
|
|
SELECT create_distributed_function('function_delegation(int)', '$1', 'test');
|
|
|
|
SET client_min_messages TO DEBUG1;
|
|
CALL call_delegation(1);
|
|
SELECT function_delegation(1);
|
|
|
|
SET client_min_messages TO WARNING;
|
|
DROP TABLE test CASCADE;
|
|
|
|
CREATE OR REPLACE FUNCTION pg_catalog.get_all_active_client_backend_count()
|
|
RETURNS bigint
|
|
LANGUAGE C STRICT
|
|
AS 'citus', $$get_all_active_client_backend_count$$;
|
|
|
|
-- set the cached connections to zero
|
|
-- and execute a distributed query so that
|
|
-- we end up with zero cached connections afterwards
|
|
ALTER SYSTEM SET citus.max_cached_conns_per_worker TO 0;
|
|
SELECT pg_reload_conf();
|
|
|
|
-- disable deadlock detection and re-trigger 2PC recovery
|
|
-- once more when citus.max_cached_conns_per_worker is zero
|
|
-- so that we can be sure that the connections established for
|
|
-- maintanince daemon is closed properly.
|
|
-- this is to prevent random failures in the tests (otherwise, we
|
|
-- might see connections established for this operations)
|
|
ALTER SYSTEM SET citus.distributed_deadlock_detection_factor TO -1;
|
|
ALTER SYSTEM SET citus.recover_2pc_interval TO '1ms';
|
|
SELECT pg_reload_conf();
|
|
SELECT pg_sleep(0.1);
|
|
|
|
-- now that last 2PC recovery is done, we're good to disable it
|
|
ALTER SYSTEM SET citus.recover_2pc_interval TO '-1';
|
|
SELECT pg_reload_conf();
|
|
|
|
-- test alter_distributed_table UDF
|
|
CREATE TABLE adt_table (a INT, b INT);
|
|
CREATE TABLE adt_col (a INT UNIQUE, b INT);
|
|
CREATE TABLE adt_ref (a INT REFERENCES adt_col(a));
|
|
|
|
SELECT create_distributed_table('adt_table', 'a', colocate_with:='none');
|
|
SELECT create_distributed_table('adt_col', 'a', colocate_with:='adt_table');
|
|
SELECT create_distributed_table('adt_ref', 'a', colocate_with:='adt_table');
|
|
|
|
INSERT INTO adt_table VALUES (1, 2), (3, 4), (5, 6);
|
|
INSERT INTO adt_col VALUES (3, 4), (5, 6), (7, 8);
|
|
INSERT INTO adt_ref VALUES (3), (5);
|
|
|
|
SELECT table_name, citus_table_type, distribution_column, shard_count FROM public.citus_tables WHERE table_name::text LIKE 'adt%';
|
|
SELECT STRING_AGG(table_name::text, ', ' ORDER BY 1) AS "Colocation Groups" FROM public.citus_tables WHERE table_name::text LIKE 'adt%' GROUP BY colocation_id ORDER BY 1;
|
|
SELECT conrelid::regclass::text AS "Referencing Table", pg_get_constraintdef(oid, true) AS "Definition" FROM pg_constraint
|
|
WHERE (conrelid::regclass::text = 'adt_col' OR confrelid::regclass::text = 'adt_col') ORDER BY 1;
|
|
|
|
SELECT alter_distributed_table('adt_table', shard_count:=6, cascade_to_colocated:=true);
|
|
|
|
SELECT table_name, citus_table_type, distribution_column, shard_count FROM public.citus_tables WHERE table_name::text LIKE 'adt%';
|
|
SELECT STRING_AGG(table_name::text, ', ' ORDER BY 1) AS "Colocation Groups" FROM public.citus_tables WHERE table_name::text LIKE 'adt%' GROUP BY colocation_id ORDER BY 1;
|
|
SELECT conrelid::regclass::text AS "Referencing Table", pg_get_constraintdef(oid, true) AS "Definition" FROM pg_constraint
|
|
WHERE (conrelid::regclass::text = 'adt_col' OR confrelid::regclass::text = 'adt_col') ORDER BY 1;
|
|
|
|
SELECT alter_distributed_table('adt_table', distribution_column:='b', colocate_with:='none');
|
|
|
|
SELECT table_name, citus_table_type, distribution_column, shard_count FROM public.citus_tables WHERE table_name::text LIKE 'adt%';
|
|
SELECT STRING_AGG(table_name::text, ', ' ORDER BY 1) AS "Colocation Groups" FROM public.citus_tables WHERE table_name::text LIKE 'adt%' GROUP BY colocation_id ORDER BY 1;
|
|
SELECT conrelid::regclass::text AS "Referencing Table", pg_get_constraintdef(oid, true) AS "Definition" FROM pg_constraint
|
|
WHERE (conrelid::regclass::text = 'adt_col' OR confrelid::regclass::text = 'adt_col') ORDER BY 1;
|
|
|
|
SELECT * FROM adt_table ORDER BY 1;
|
|
SELECT * FROM adt_col ORDER BY 1;
|
|
SELECT * FROM adt_ref ORDER BY 1;
|
|
|
|
BEGIN;
|
|
INSERT INTO adt_table SELECT x, x+1 FROM generate_series(1, 1000) x;
|
|
SELECT alter_distributed_table('adt_table', distribution_column:='a');
|
|
SELECT COUNT(*) FROM adt_table;
|
|
END;
|
|
|
|
SELECT table_name, citus_table_type, distribution_column, shard_count FROM public.citus_tables WHERE table_name::text = 'adt_table';
|
|
|
|
|
|
\c - - - :master_port
|
|
-- sometimes Postgres is a little slow to terminate the backends
|
|
-- even if PGFinish is sent. So, to prevent any flaky tests, sleep
|
|
SELECT pg_sleep(0.1);
|
|
-- since max_cached_conns_per_worker == 0 at this point, the
|
|
-- backend(s) that execute on the shards will be terminated
|
|
-- so show that there is only a single client backend,
|
|
-- which is actually the backend that executes here
|
|
SET search_path TO single_node;
|
|
SELECT count(*) from should_commit;
|
|
SELECT pg_catalog.get_all_active_client_backend_count();
|
|
BEGIN;
|
|
SET LOCAL citus.shard_count TO 32;
|
|
SET LOCAL citus.force_max_query_parallelization TO ON;
|
|
SET LOCAL citus.enable_local_execution TO false;
|
|
|
|
CREATE TABLE test (a int);
|
|
SET citus.shard_replication_factor TO 1;
|
|
SELECT create_distributed_table('test', 'a');
|
|
SELECT count(*) FROM test;
|
|
|
|
-- now, we should have additional 32 connections
|
|
SELECT pg_catalog.get_all_active_client_backend_count();
|
|
ROLLBACK;
|
|
|
|
|
|
\c - - - :master_port
|
|
SET search_path TO single_node;
|
|
|
|
|
|
-- simulate that even if there is no connection slots
|
|
-- to connect, Citus can switch to local execution
|
|
SET citus.force_max_query_parallelization TO false;
|
|
SET citus.log_remote_commands TO ON;
|
|
ALTER SYSTEM SET citus.local_shared_pool_size TO -1;
|
|
SELECT pg_reload_conf();
|
|
SELECT pg_sleep(0.1);
|
|
SET citus.executor_slow_start_interval TO 10;
|
|
SELECT count(*) from another_schema_table;
|
|
|
|
UPDATE another_schema_table SET b = b;
|
|
|
|
-- INSERT .. SELECT pushdown and INSERT .. SELECT via repartitioning
|
|
-- not that we ignore INSERT .. SELECT via coordinator as it relies on
|
|
-- COPY command
|
|
INSERT INTO another_schema_table SELECT * FROM another_schema_table;
|
|
INSERT INTO another_schema_table SELECT b::int, a::int FROM another_schema_table;
|
|
|
|
-- multi-row INSERTs
|
|
INSERT INTO another_schema_table VALUES (1,1), (2,2), (3,3), (4,4), (5,5),(6,6),(7,7);
|
|
|
|
-- INSERT..SELECT with re-partitioning when using local execution
|
|
BEGIN;
|
|
INSERT INTO another_schema_table VALUES (1,100);
|
|
INSERT INTO another_schema_table VALUES (2,100);
|
|
INSERT INTO another_schema_table SELECT b::int, a::int FROM another_schema_table;
|
|
SELECT * FROM another_schema_table WHERE a = 100 ORDER BY b;
|
|
ROLLBACK;
|
|
|
|
-- intermediate results
|
|
WITH cte_1 AS (SELECT * FROM another_schema_table LIMIT 1000)
|
|
SELECT count(*) FROM cte_1;
|
|
|
|
-- if the local execution is disabled, we cannot failover to
|
|
-- local execution and the queries would fail
|
|
SET citus.enable_local_execution TO false;
|
|
SELECT count(*) from another_schema_table;
|
|
UPDATE another_schema_table SET b = b;
|
|
INSERT INTO another_schema_table SELECT * FROM another_schema_table;
|
|
INSERT INTO another_schema_table SELECT b::int, a::int FROM another_schema_table;
|
|
WITH cte_1 AS (SELECT * FROM another_schema_table LIMIT 1000)
|
|
SELECT count(*) FROM cte_1;
|
|
|
|
INSERT INTO another_schema_table VALUES (1,1), (2,2), (3,3), (4,4), (5,5),(6,6),(7,7);
|
|
|
|
-- set the values to originals back
|
|
ALTER SYSTEM RESET citus.max_cached_conns_per_worker;
|
|
ALTER SYSTEM RESET citus.distributed_deadlock_detection_factor;
|
|
ALTER SYSTEM RESET citus.recover_2pc_interval;
|
|
ALTER SYSTEM RESET citus.distributed_deadlock_detection_factor;
|
|
ALTER SYSTEM RESET citus.local_shared_pool_size;
|
|
SELECT pg_reload_conf();
|
|
|
|
-- suppress notices
|
|
SET client_min_messages TO error;
|
|
|
|
-- cannot remove coordinator since a reference table exists on coordinator and no other worker nodes are added
|
|
SELECT 1 FROM master_remove_node('localhost', :master_port);
|
|
|
|
-- Cleanup
|
|
DROP SCHEMA single_node CASCADE;
|
|
-- Remove the coordinator again
|
|
SELECT 1 FROM master_remove_node('localhost', :master_port);
|
|
-- restart nodeid sequence so that multi_cluster_management still has the same
|
|
-- nodeids
|
|
ALTER SEQUENCE pg_dist_node_nodeid_seq RESTART 1;
|