1--
2-- Regression tests for schemas (namespaces)
3--
4
5CREATE SCHEMA test_ns_schema_1
6       CREATE UNIQUE INDEX abc_a_idx ON abc (a)
7
8       CREATE VIEW abc_view AS
9              SELECT a+1 AS a, b+1 AS b FROM abc
10
11       CREATE TABLE abc (
12              a serial,
13              b int UNIQUE
14       );
15
16-- verify that the objects were created
17SELECT COUNT(*) FROM pg_class WHERE relnamespace =
18    (SELECT oid FROM pg_namespace WHERE nspname = 'test_ns_schema_1');
19
20INSERT INTO test_ns_schema_1.abc DEFAULT VALUES;
21INSERT INTO test_ns_schema_1.abc DEFAULT VALUES;
22INSERT INTO test_ns_schema_1.abc DEFAULT VALUES;
23
24SELECT * FROM test_ns_schema_1.abc;
25SELECT * FROM test_ns_schema_1.abc_view;
26
27ALTER SCHEMA test_ns_schema_1 RENAME TO test_ns_schema_renamed;
28SELECT COUNT(*) FROM pg_class WHERE relnamespace =
29    (SELECT oid FROM pg_namespace WHERE nspname = 'test_ns_schema_1');
30
31-- test IF NOT EXISTS cases
32CREATE SCHEMA test_ns_schema_renamed; -- fail, already exists
33CREATE SCHEMA IF NOT EXISTS test_ns_schema_renamed; -- ok with notice
34CREATE SCHEMA IF NOT EXISTS test_ns_schema_renamed -- fail, disallowed
35       CREATE TABLE abc (
36              a serial,
37              b int UNIQUE
38       );
39
40DROP SCHEMA test_ns_schema_renamed CASCADE;
41
42-- verify that the objects were dropped
43SELECT COUNT(*) FROM pg_class WHERE relnamespace =
44    (SELECT oid FROM pg_namespace WHERE nspname = 'test_ns_schema_renamed');
45