citus/src/test/regress/sql/multi_mx_schema_support.sql

401 lines
13 KiB
PL/PgSQL

--
-- MULTI_MX_SCHEMA_SUPPORT
--
-- connect to a worker node and run some queries
\c - - - :worker_1_port
-- test very basic queries
SELECT * FROM nation_hash ORDER BY n_nationkey LIMIT 4;
SELECT * FROM citus_mx_test_schema.nation_hash ORDER BY n_nationkey LIMIT 4;
-- test cursors
SET search_path TO public;
BEGIN;
DECLARE test_cursor CURSOR FOR
SELECT *
FROM nation_hash
WHERE n_nationkey = 1;
FETCH test_cursor;
FETCH test_cursor;
FETCH BACKWARD test_cursor;
END;
-- test with search_path is set
SET search_path TO citus_mx_test_schema;
BEGIN;
DECLARE test_cursor CURSOR FOR
SELECT *
FROM nation_hash
WHERE n_nationkey = 1;
FETCH test_cursor;
FETCH test_cursor;
FETCH BACKWARD test_cursor;
END;
-- test inserting to table in different schema
SET search_path TO public;
DELETE from citus_mx_test_schema.nation_hash where n_nationkey = 100; -- allow rerunning this file
INSERT INTO citus_mx_test_schema.nation_hash(n_nationkey, n_name, n_regionkey) VALUES (100, 'TURKEY', 3);
-- verify insertion
SELECT * FROM citus_mx_test_schema.nation_hash WHERE n_nationkey = 100;
-- test with search_path is set
SET search_path TO citus_mx_test_schema;
DELETE from nation_hash where n_nationkey = 101; -- allow rerunning this file
INSERT INTO nation_hash(n_nationkey, n_name, n_regionkey) VALUES (101, 'GERMANY', 3);
-- verify insertion
SELECT * FROM nation_hash WHERE n_nationkey = 101;
-- TODO: add UPDATE/DELETE/UPSERT
-- test UDFs with schemas
SET search_path TO public;
-- UDF in public, table in a schema other than public, search_path is not set
SELECT simpleTestFunction(n_nationkey)::int FROM citus_mx_test_schema.nation_hash GROUP BY 1 ORDER BY 1 DESC LIMIT 5;
-- UDF in public, table in a schema other than public, search_path is set
SET search_path TO citus_mx_test_schema;
SELECT public.simpleTestFunction(n_nationkey)::int FROM citus_mx_test_schema.nation_hash GROUP BY 1 ORDER BY 1 DESC LIMIT 5;
-- UDF in schema, table in a schema other than public, search_path is not set
SET search_path TO public;
SELECT citus_mx_test_schema.simpleTestFunction2(n_nationkey)::int FROM citus_mx_test_schema.nation_hash GROUP BY 1 ORDER BY 1 DESC LIMIT 5;
-- UDF in schema, table in a schema other than public, search_path is set
SET search_path TO citus_mx_test_schema;
SELECT simpleTestFunction2(n_nationkey)::int FROM nation_hash GROUP BY 1 ORDER BY 1 DESC LIMIT 5;
-- test operators with schema
SET search_path TO public;
-- test with search_path is not set
SELECT * FROM citus_mx_test_schema.nation_hash WHERE n_nationkey OPERATOR(citus_mx_test_schema.===) 1;
-- test with search_path is set
SET search_path TO citus_mx_test_schema;
SELECT * FROM nation_hash WHERE n_nationkey OPERATOR(===) 1;
SELECT * FROM citus_mx_test_schema.nation_hash_collation_search_path ORDER BY 1;
SELECT n_comment FROM citus_mx_test_schema.nation_hash_collation_search_path ORDER BY n_comment COLLATE citus_mx_test_schema.english;
SET search_path TO citus_mx_test_schema;
SELECT * FROM nation_hash_collation_search_path ORDER BY 1 DESC;
SELECT n_comment FROM nation_hash_collation_search_path ORDER BY n_comment COLLATE english;
SELECT * FROM citus_mx_test_schema.nation_hash_composite_types WHERE test_col = '(a,a)'::citus_mx_test_schema.new_composite_type ORDER BY 1::int DESC;
--test with search_path is set
SET search_path TO citus_mx_test_schema;
SELECT * FROM nation_hash_composite_types WHERE test_col = '(a,a)'::new_composite_type ORDER BY 1::int DESC;
SET citus.enable_repartition_joins to ON;
-- check when search_path is public,
-- join of two tables which are in different schemas,
-- join on partition column
SET search_path TO public;
SELECT
count (*)
FROM
citus_mx_test_schema_join_1.nation_hash n1, citus_mx_test_schema_join_2.nation_hash n2
WHERE
n1.n_nationkey = n2.n_nationkey;
-- check when search_path is different than public,
-- join of two tables which are in different schemas,
-- join on partition column
SET search_path TO citus_mx_test_schema_join_1;
SELECT
count (*)
FROM
nation_hash n1, citus_mx_test_schema_join_2.nation_hash n2
WHERE
n1.n_nationkey = n2.n_nationkey;
-- check when search_path is public,
-- join of two tables which are in same schemas,
-- join on partition column
SET search_path TO public;
SELECT
count (*)
FROM
citus_mx_test_schema_join_1.nation_hash n1, citus_mx_test_schema_join_1.nation_hash_2 n2
WHERE
n1.n_nationkey = n2.n_nationkey;
-- check when search_path is different than public,
-- join of two tables which are in same schemas,
-- join on partition column
SET search_path TO citus_mx_test_schema_join_1;
SELECT
count (*)
FROM
nation_hash n1, nation_hash_2 n2
WHERE
n1.n_nationkey = n2.n_nationkey;
-- single repartition joins
-- check when search_path is public,
-- join of two tables which are in different schemas,
-- join on partition column and non-partition column
--SET search_path TO public;
SELECT
count (*)
FROM
citus_mx_test_schema_join_1.nation_hash n1, citus_mx_test_schema_join_2.nation_hash n2
WHERE
n1.n_nationkey = n2.n_regionkey;
-- check when search_path is different than public,
-- join of two tables which are in different schemas,
-- join on partition column and non-partition column
SET search_path TO citus_mx_test_schema_join_1;
SELECT
count (*)
FROM
nation_hash n1, citus_mx_test_schema_join_2.nation_hash n2
WHERE
n1.n_nationkey = n2.n_regionkey;
-- check when search_path is different than public,
-- join of two tables which are in same schemas,
-- join on partition column and non-partition column
SET search_path TO citus_mx_test_schema_join_1;
SELECT
count (*)
FROM
nation_hash n1, nation_hash_2 n2
WHERE
n1.n_nationkey = n2.n_regionkey;
-- hash repartition joins
-- check when search_path is public,
-- join of two tables which are in different schemas,
-- join on non-partition column
SET search_path TO public;
SELECT
count (*)
FROM
citus_mx_test_schema_join_1.nation_hash n1, citus_mx_test_schema_join_2.nation_hash n2
WHERE
n1.n_regionkey = n2.n_regionkey;
-- check when search_path is different than public,
-- join of two tables which are in different schemas,
-- join on non-partition column
SET search_path TO citus_mx_test_schema_join_1;
SELECT
count (*)
FROM
nation_hash n1, citus_mx_test_schema_join_2.nation_hash n2
WHERE
n1.n_regionkey = n2.n_regionkey;
-- check when search_path is different than public,
-- join of two tables which are in same schemas,
-- join on non-partition column
SET search_path TO citus_mx_test_schema_join_1;
SELECT
count (*)
FROM
nation_hash n1, nation_hash_2 n2
WHERE
n1.n_regionkey = n2.n_regionkey;
-- set task_executor back to adaptive
-- connect to the master and do some test
-- regarding DDL support on schemas where
-- the search_path is set
\c - - - :master_port
CREATE SCHEMA mx_ddl_schema_1;
CREATE SCHEMA mx_ddl_schema_2;
CREATE SCHEMA "CiTuS.TeAeN";
SET citus.shard_count TO 4;
SET citus.shard_replication_factor TO 1;
-- in the first test make sure that we handle DDLs
-- when search path is set
SET search_path TO mx_ddl_schema_1;
CREATE TABLE table_1 (key int PRIMARY KEY, value text);
SELECT create_distributed_table('table_1', 'key');
CREATE INDEX i1 ON table_1(value);
CREATE INDEX CONCURRENTLY i2 ON table_1(value);
-- now create a foriegn key on tables that are on seperate schemas
SET search_path TO mx_ddl_schema_1, mx_ddl_schema_2;
CREATE TABLE mx_ddl_schema_2.table_2 (key int PRIMARY KEY, value text);
SELECT create_distributed_table('mx_ddl_schema_2.table_2', 'key');
ALTER TABLE table_2 ADD CONSTRAINT test_constraint FOREIGN KEY (key) REFERENCES table_1(key);
-- we can also handle schema/table names with quotation
SET search_path TO "CiTuS.TeAeN";
CREATE TABLE "TeeNTabLE.1!?!"(id int, "TeNANt_Id" int);
SELECT create_distributed_table('"TeeNTabLE.1!?!"', 'id');
CREATE INDEX "MyTenantIndex" ON "CiTuS.TeAeN"."TeeNTabLE.1!?!"("TeNANt_Id");
SET search_path TO "CiTuS.TeAeN", mx_ddl_schema_1, mx_ddl_schema_2;
ALTER TABLE "TeeNTabLE.1!?!" ADD CONSTRAINT test_constraint_2 FOREIGN KEY (id) REFERENCES table_1(key);
ALTER TABLE "TeeNTabLE.1!?!" ADD COLUMN new_col INT;
-- same semantics with CREATE INDEX CONCURRENTLY such that
-- it uses a single connection to execute all the commands
SET citus.multi_shard_modify_mode TO 'sequential';
ALTER TABLE "TeeNTabLE.1!?!" DROP COLUMN new_col;
-- set it back to the default value
SET citus.multi_shard_modify_mode TO 'parallel';
-- test with a not existing schema is in the search path
SET search_path TO not_existing_schema, "CiTuS.TeAeN";
ALTER TABLE "TeeNTabLE.1!?!" ADD COLUMN new_col INT;
-- test with a public schema is in the search path
SET search_path TO public, "CiTuS.TeAeN";
ALTER TABLE "TeeNTabLE.1!?!" DROP COLUMN new_col;
-- make sure that we handle transaction blocks properly
BEGIN;
SET search_path TO public, "CiTuS.TeAeN";
ALTER TABLE "TeeNTabLE.1!?!" ADD COLUMN new_col INT;
SET search_path TO mx_ddl_schema_1;
CREATE INDEX i55 ON table_1(value);
SET search_path TO mx_ddl_schema_1, public, "CiTuS.TeAeN";
ALTER TABLE "TeeNTabLE.1!?!" DROP COLUMN new_col;
DROP INDEX i55;
COMMIT;
-- set the search_path to null
SET search_path TO '';
ALTER TABLE "CiTuS.TeAeN"."TeeNTabLE.1!?!" ADD COLUMN new_col INT;
-- set the search_path to not existing schema
SET search_path TO not_existing_schema;
ALTER TABLE "CiTuS.TeAeN"."TeeNTabLE.1!?!" DROP COLUMN new_col;
SET client_min_messages TO ERROR;
DROP SCHEMA mx_ddl_schema_1, mx_ddl_schema_2, "CiTuS.TeAeN" CASCADE;
RESET client_min_messages;
-- test if ALTER TABLE SET SCHEMA sets the original table in the worker
SET search_path TO public;
CREATE SCHEMA mx_old_schema;
CREATE TABLE mx_old_schema.table_set_schema (id int);
SELECT create_distributed_table('mx_old_schema.table_set_schema', 'id');
CREATE SCHEMA mx_new_schema;
SELECT objid::oid::regnamespace::text as "Distributed Schemas"
FROM pg_catalog.pg_dist_object
WHERE objid::oid::regnamespace IN ('mx_old_schema', 'mx_new_schema')
ORDER BY "Distributed Schemas";
\c - - - :worker_1_port
SELECT table_schema AS "Table's Schema" FROM information_schema.tables WHERE table_name='table_set_schema';
SELECT table_schema AS "Shards' Schema"
FROM information_schema.tables
WHERE table_name LIKE 'table\_set\_schema\_%'
GROUP BY table_schema;
-- Show that altering distributed schema is not allowed on worker nodes
ALTER SCHEMA mx_old_schema RENAME TO temp_mx_old_schema;
\c - - - :master_port
ALTER TABLE mx_old_schema.table_set_schema SET SCHEMA mx_new_schema;
SELECT objid::oid::regnamespace::text as "Distributed Schemas"
FROM pg_catalog.pg_dist_object
WHERE objid::oid::regnamespace IN ('mx_old_schema', 'mx_new_schema')
ORDER BY "Distributed Schemas";
\c - - - :worker_1_port
SELECT table_schema AS "Table's Schema" FROM information_schema.tables WHERE table_name='table_set_schema';
SELECT table_schema AS "Shards' Schema"
FROM information_schema.tables
WHERE table_name LIKE 'table\_set\_schema\_%'
GROUP BY table_schema;
-- check that we can drop a user-defined schema from workers
SET citus.enable_ddl_propagation TO OFF;
CREATE SCHEMA localschema;
RESET citus.enable_ddl_propagation;
DROP SCHEMA localschema;
\c - - - :master_port
SELECT * FROM mx_new_schema.table_set_schema;
-- verify local schema does not exist on the worker
-- worker errors out as "schema does not exist"
SET citus.enable_ddl_propagation TO OFF;
CREATE SCHEMA localschema;
-- should error out
SELECT run_command_on_workers($$DROP SCHEMA localschema;$$);
SET client_min_messages TO ERROR;
CREATE ROLE schema_owner WITH LOGIN;
RESET client_min_messages;
SELECT run_command_on_workers($$SET citus.enable_ddl_propagation TO OFF;CREATE ROLE schema_owner WITH LOGIN;RESET citus.enable_ddl_propagation;$$);
RESET citus.enable_ddl_propagation;
-- create schema with the name of the owner
CREATE SCHEMA AUTHORIZATION schema_owner;
-- verify the schema is created on workers
SELECT run_command_on_workers($$SELECT COUNT(*) FROM pg_namespace WHERE nspname='schema_owner';$$);
DROP SCHEMA schema_owner;
-- test CREATE SCHEMA .. GRANT ON SCHEMA commands
-- first create the role to be granted
SET citus.enable_ddl_propagation TO OFF;
SET client_min_messages TO ERROR;
CREATE ROLE role_to_be_granted WITH LOGIN;
RESET client_min_messages;
SELECT run_command_on_workers($$SET citus.enable_ddl_propagation TO OFF;CREATE ROLE role_to_be_granted WITH LOGIN;RESET citus.enable_ddl_propagation;$$);
RESET citus.enable_ddl_propagation;
CREATE SCHEMA old_schema;
CREATE SCHEMA new_schema
CREATE TABLE t1 (a int)
GRANT ALL ON SCHEMA old_schema TO role_to_be_granted
GRANT ALL ON SCHEMA new_schema TO role_to_be_granted;
-- the role should be granted on both the new and the old schema
SELECT nspacl FROM pg_namespace WHERE nspname='old_schema' OR nspname='new_schema';
-- verify on workers
SELECT run_command_on_workers($$SELECT nspacl FROM pg_namespace WHERE nspname='new_schema';$$);
SELECT run_command_on_workers($$SELECT nspacl FROM pg_namespace WHERE nspname='old_schema';$$);
-- verify the table t1 is created as a local pg table
-- this might be changed after some improvements on use_citus_managed_tables
-- if so, please verify that t1 is added to metadata
SELECT COUNT(*)=0 FROM pg_dist_partition WHERE logicalrelid='new_schema.t1'::regclass;
DROP SCHEMA old_schema, new_schema CASCADE;
DROP SCHEMA mx_old_schema CASCADE;
DROP SCHEMA mx_new_schema CASCADE;
DROP SCHEMA localschema;
DROP ROLE schema_owner;
DROP ROLE role_to_be_granted;