数据库查询失败。数据库返回的错误信息是:#1690: BIGINT UNSIGNED value is out of range in '(1304067405 - `bugtracker`.`mantis_user_table`.`date_created`)' 查询语句:SELECT *
FROM mantis_user_table
WHERE ((1304067405 - date_created)<= 604800)
ORDER BY date_created DESC