SET SESSION AUTHORIZATION 'postgres'; BEGIN transaction; DO $$ DECLARE ver TEXT; BEGIN UPDATE version set version='0.9.2' where vlock=1 and version='0.9.1'; IF found THEN RETURN; END IF; SELECT version into ver from version WHERE vlock=1; RAISE EXCEPTION 'Wrong DB version - expect "0.9.1" - found "%"', ver; END $$; ALTER TABLE ONLY usersatts ADD COLUMN status character varying(256) DEFAULT ''::character varying NOT NULL; ALTER TABLE ONLY users ADD COLUMN status character varying(256) DEFAULT ''::character varying NOT NULL; END transaction;