Postgres重置自增加id列(reset sequence)

簡單的兩個方法，我的比較喜歡第一個

②①
ALTER SEQUENCE seq RESTART WITH 1;

SELECT setval('sequence_name', 0);參考自http://stackoverflow.com/questions/4678110/how-to-reset-sequence-in-postgres-and-fill-id-column-with-new-data