DROP TABLE IF EXISTS wflow_notifys; CREATE TABLE wflow_notifys ( id varchar(40) NOT NULL, title varchar(255) NOT NULL, user_id varchar(50) NOT NULL, type varchar(10), instance_id varchar(40), content varchar(255) NOT NULL, readed BOOL, link varchar(255), create_time timestamp, CONSTRAINT "wflow_notifys_pri" PRIMARY KEY ("id") ) CREATE INDEX user_idx ON wflow_notifys(user_id);