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--
-- Regression tests for schemas (namespaces)
--
-- set the whitespace-only search_path to test that the
-- GUC list syntax is preserved during a schema creation
SELECT pg_catalog.set_config('search_path', ' ', false);
CREATE SCHEMA test_ns_schema_1
CREATE UNIQUE INDEX abc_a_idx ON abc (a)
CREATE VIEW abc_view AS
SELECT a+1 AS a, b+1 AS b FROM abc
CREATE TABLE abc (
a serial,
b int UNIQUE
);
-- verify that the correct search_path restored on abort
SET search_path to public;
BEGIN;
SET search_path to public, test_ns_schema_1;
CREATE SCHEMA test_ns_schema_2
CREATE VIEW abc_view AS SELECT c FROM abc;
COMMIT;
SHOW search_path;
-- verify that the correct search_path preserved
-- after creating the schema and on commit
BEGIN;
SET search_path to public, test_ns_schema_1;
CREATE SCHEMA test_ns_schema_2
CREATE VIEW abc_view AS SELECT a FROM abc;
SHOW search_path;
COMMIT;
SHOW search_path;
DROP SCHEMA test_ns_schema_2 CASCADE;
-- verify that the objects were created
SELECT COUNT(*) FROM pg_class WHERE relnamespace =
(SELECT oid FROM pg_namespace WHERE nspname = 'test_ns_schema_1');
INSERT INTO test_ns_schema_1.abc DEFAULT VALUES;
INSERT INTO test_ns_schema_1.abc DEFAULT VALUES;
INSERT INTO test_ns_schema_1.abc DEFAULT VALUES;
SELECT * FROM test_ns_schema_1.abc;
SELECT * FROM test_ns_schema_1.abc_view;
ALTER SCHEMA test_ns_schema_1 RENAME TO test_ns_schema_renamed;
SELECT COUNT(*) FROM pg_class WHERE relnamespace =
(SELECT oid FROM pg_namespace WHERE nspname = 'test_ns_schema_1');
-- test IF NOT EXISTS cases
CREATE SCHEMA test_ns_schema_renamed; -- fail, already exists
CREATE SCHEMA IF NOT EXISTS test_ns_schema_renamed; -- ok with notice
CREATE SCHEMA IF NOT EXISTS test_ns_schema_renamed -- fail, disallowed
CREATE TABLE abc (
a serial,
b int UNIQUE
);
DROP SCHEMA test_ns_schema_renamed CASCADE;
-- verify that the objects were dropped
SELECT COUNT(*) FROM pg_class WHERE relnamespace =
(SELECT oid FROM pg_namespace WHERE nspname = 'test_ns_schema_renamed');
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