CREATE TABLE notifyqueue (
  userid     INT UNSIGNED NOT NULL,
  qid        INT UNSIGNED NOT NULL,
  journalid  INT UNSIGNED NOT NULL,
  etypeid    SMALLINT UNSIGNED NOT NULL,
  arg1       INT UNSIGNED,
  arg2       INT UNSIGNED,
  state      CHAR(1) NOT NULL DEFAULT 'N',
  createtime INT UNSIGNED NOT NULL,
  PRIMARY KEY (userid, qid),
  INDEX       (state)
)