161 lines
5.1 KiB
Plaintext
161 lines
5.1 KiB
Plaintext
--
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-- Regression tests for schemas (namespaces)
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--
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-- set the whitespace-only search_path to test that the
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-- GUC list syntax is preserved during a schema creation
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SELECT pg_catalog.set_config('search_path', ' ', false);
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set_config
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------------
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(1 row)
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CREATE SCHEMA test_ns_schema_1
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CREATE UNIQUE INDEX abc_a_idx ON abc (a)
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CREATE VIEW abc_view AS
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SELECT a+1 AS a, b+1 AS b FROM abc
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CREATE TABLE abc (
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a serial,
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b int UNIQUE
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);
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-- verify that the correct search_path restored on abort
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SET search_path to public;
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BEGIN;
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SET search_path to public, test_ns_schema_1;
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CREATE SCHEMA test_ns_schema_2
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CREATE VIEW abc_view AS SELECT c FROM abc;
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ERROR: column "c" does not exist
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LINE 2: CREATE VIEW abc_view AS SELECT c FROM abc;
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^
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COMMIT;
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SHOW search_path;
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search_path
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-------------
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public
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(1 row)
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-- verify that the correct search_path preserved
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-- after creating the schema and on commit
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BEGIN;
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SET search_path to public, test_ns_schema_1;
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CREATE SCHEMA test_ns_schema_2
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CREATE VIEW abc_view AS SELECT a FROM abc;
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SHOW search_path;
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search_path
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--------------------------
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public, test_ns_schema_1
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(1 row)
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COMMIT;
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SHOW search_path;
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search_path
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--------------------------
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public, test_ns_schema_1
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(1 row)
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DROP SCHEMA test_ns_schema_2 CASCADE;
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NOTICE: drop cascades to view test_ns_schema_2.abc_view
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-- verify that the objects were created
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SELECT COUNT(*) FROM pg_class WHERE relnamespace =
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(SELECT oid FROM pg_namespace WHERE nspname = 'test_ns_schema_1');
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count
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-------
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5
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(1 row)
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INSERT INTO test_ns_schema_1.abc DEFAULT VALUES;
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INSERT INTO test_ns_schema_1.abc DEFAULT VALUES;
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INSERT INTO test_ns_schema_1.abc DEFAULT VALUES;
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SELECT * FROM test_ns_schema_1.abc;
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a | b
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---+---
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1 |
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2 |
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3 |
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(3 rows)
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SELECT * FROM test_ns_schema_1.abc_view;
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a | b
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---+---
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2 |
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3 |
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4 |
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(3 rows)
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ALTER SCHEMA test_ns_schema_1 RENAME TO test_ns_schema_renamed;
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SELECT COUNT(*) FROM pg_class WHERE relnamespace =
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(SELECT oid FROM pg_namespace WHERE nspname = 'test_ns_schema_1');
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count
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-------
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0
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(1 row)
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-- test IF NOT EXISTS cases
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CREATE SCHEMA test_ns_schema_renamed; -- fail, already exists
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ERROR: schema "test_ns_schema_renamed" already exists
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CREATE SCHEMA IF NOT EXISTS test_ns_schema_renamed; -- ok with notice
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NOTICE: schema "test_ns_schema_renamed" already exists, skipping
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CREATE SCHEMA IF NOT EXISTS test_ns_schema_renamed -- fail, disallowed
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CREATE TABLE abc (
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a serial,
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b int UNIQUE
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);
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ERROR: CREATE SCHEMA IF NOT EXISTS cannot include schema elements
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LINE 2: CREATE TABLE abc (
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^
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DROP SCHEMA test_ns_schema_renamed CASCADE;
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NOTICE: drop cascades to 2 other objects
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DETAIL: drop cascades to table test_ns_schema_renamed.abc
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drop cascades to view test_ns_schema_renamed.abc_view
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-- verify that the objects were dropped
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SELECT COUNT(*) FROM pg_class WHERE relnamespace =
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(SELECT oid FROM pg_namespace WHERE nspname = 'test_ns_schema_renamed');
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count
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-------
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0
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(1 row)
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--
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-- Verify that search_path is set to a safe value during maintenance
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-- commands.
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--
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CREATE SCHEMA test_maint_search_path;
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SET search_path = test_maint_search_path;
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CREATE FUNCTION fn(INT) RETURNS INT IMMUTABLE LANGUAGE plpgsql AS $$
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BEGIN
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RAISE NOTICE 'current search_path: %', current_setting('search_path');
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RETURN $1;
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END;
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$$;
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CREATE TABLE test_maint(i INT);
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INSERT INTO test_maint VALUES (1), (2);
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CREATE MATERIALIZED VIEW test_maint_mv AS SELECT fn(i) FROM test_maint;
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NOTICE: current search_path: test_maint_search_path
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NOTICE: current search_path: test_maint_search_path
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-- the following commands should see search_path as pg_catalog, pg_temp
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CREATE INDEX test_maint_idx ON test_maint_search_path.test_maint (fn(i));
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NOTICE: current search_path: pg_catalog, pg_temp
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NOTICE: current search_path: pg_catalog, pg_temp
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REINDEX TABLE test_maint_search_path.test_maint;
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NOTICE: current search_path: pg_catalog, pg_temp
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NOTICE: current search_path: pg_catalog, pg_temp
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ANALYZE test_maint_search_path.test_maint;
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NOTICE: current search_path: pg_catalog, pg_temp
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NOTICE: current search_path: pg_catalog, pg_temp
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VACUUM FULL test_maint_search_path.test_maint;
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NOTICE: current search_path: pg_catalog, pg_temp
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NOTICE: current search_path: pg_catalog, pg_temp
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CLUSTER test_maint_search_path.test_maint USING test_maint_idx;
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NOTICE: current search_path: pg_catalog, pg_temp
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NOTICE: current search_path: pg_catalog, pg_temp
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NOTICE: current search_path: pg_catalog, pg_temp
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NOTICE: current search_path: pg_catalog, pg_temp
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REFRESH MATERIALIZED VIEW test_maint_search_path.test_maint_mv;
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NOTICE: current search_path: pg_catalog, pg_temp
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NOTICE: current search_path: pg_catalog, pg_temp
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RESET search_path;
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DROP SCHEMA test_maint_search_path CASCADE;
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NOTICE: drop cascades to 3 other objects
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DETAIL: drop cascades to function test_maint_search_path.fn(integer)
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drop cascades to table test_maint_search_path.test_maint
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drop cascades to materialized view test_maint_search_path.test_maint_mv
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