SET search_path TO truncate_cascade_tests_schema;
-- Test truncate error on table with dependencies
TRUNCATE table_with_pk;
ERROR:  cannot truncate a table referenced in a foreign key constraint
DETAIL:  Table "table_with_fk_1" references "table_with_pk".
HINT:  Truncate table "table_with_fk_1" at the same time, or use TRUNCATE ... CASCADE.
-- Test truncate rollback on table with dependencies
SELECT COUNT(*) FROM table_with_fk_1;
 count
---------------------------------------------------------------------
    10
(1 row)

SELECT COUNT(*) FROM table_with_fk_2;
 count
---------------------------------------------------------------------
    10
(1 row)

BEGIN;
TRUNCATE table_with_pk CASCADE;
SELECT COUNT(*) FROM table_with_fk_1;
 count
---------------------------------------------------------------------
     0
(1 row)

SELECT COUNT(*) FROM table_with_fk_2;
 count
---------------------------------------------------------------------
     0
(1 row)

ROLLBACK;
SELECT COUNT(*) FROM table_with_fk_1;
 count
---------------------------------------------------------------------
    10
(1 row)

SELECT COUNT(*) FROM table_with_fk_2;
 count
---------------------------------------------------------------------
    10
(1 row)

-- Test truncate on table with dependencies
SELECT COUNT(*) FROM table_with_pk;
 count
---------------------------------------------------------------------
    10
(1 row)

SELECT COUNT(*) FROM table_with_fk_1;
 count
---------------------------------------------------------------------
    10
(1 row)

SELECT COUNT(*) FROM table_with_fk_2;
 count
---------------------------------------------------------------------
    10
(1 row)

TRUNCATE table_with_pk CASCADE;
SELECT COUNT(*) FROM table_with_pk;
 count
---------------------------------------------------------------------
     0
(1 row)

SELECT COUNT(*) FROM table_with_fk_1;
 count
---------------------------------------------------------------------
     0
(1 row)

SELECT COUNT(*) FROM table_with_fk_2;
 count
---------------------------------------------------------------------
     0
(1 row)