a.id AS "id", a.status AS "status", a.readstatus AS "readstatus", a.senderid AS "sender.id", a.receiverid AS "receiver.id", a.sendtime AS "sendtime", a.mailid AS "mail.id", receiver.name AS "receiver.name", mail.title AS "mail.title", mail.overview AS "mail.overview", mail.content AS "mail.content" LEFT JOIN iim_mail mail ON mail.id = a.mailid LEFT JOIN sys_user receiver ON receiver.id = a.receiverid INSERT INTO iim_mail_compose( id, status, readstatus, senderid, receiverid, sendtime, mailid ) VALUES ( #{id}, #{status}, #{readstatus}, #{sender.id}, #{receiver.id}, #{sendtime}, #{mail.id} ) UPDATE iim_mail_compose SET status = #{status}, readstatus = #{readstatus}, senderid = #{sender.id}, receiverid = #{receiver.id}, sendtime = #{sendtime}, mailid = #{mail.id} WHERE id = #{id} DELETE FROM iim_mail_compose WHERE id = #{id} WHERE mailid = #{mail.id}