-- Test basic TRUNCATE functionality. CREATE TABLE truncate_a (col1 integer primary key); INSERT INTO truncate_a VALUES (1); INSERT INTO truncate_a VALUES (2); SELECT * FROM truncate_a; TRUNCATE truncate_a; SELECT * FROM truncate_a; -- Test foreign constraint check CREATE TABLE truncate_b(col1 integer references truncate_a); INSERT INTO truncate_a VALUES (1); SELECT * FROM truncate_a; TRUNCATE truncate_a; SELECT * FROM truncate_a; DROP TABLE truncate_b; DROP TABLE truncate_a;