insert into t_comments_poem (comments_id,poem_id,user_id,comments_information,`time`) values (#{commentsId},#{poemId},#{userId},#{commentsInformation},#{time}); insert into t_comments_dynasty (comments_id,dynasty_id,user_id,comments_information,`time`) values (#{commentsId},#{dynastyId},#{userId},#{commentsInformation},#{time}); insert into t_reply_poem (comments_id,replyer_id) values (#{replyerId},#{commentsId}); insert into t_reply_dynasty (comments_id,replyer_id) values (#{replyerId},#{commentsId}); select a.comments_id, a.poem_id, d.username as user_id, a.comments_information, a.time from t_comments_poem a, #t_reply_poem c , t_user d where d.user_id= a.user_id and a.poem_id=#{poemId} and a.comments_id not IN ( SELECT `replyer_id` FROM `t_reply_poem` ) select a.comments_id, a.poem_id, d.username as user_id, a.comments_information, a.time from t_comments_poem a, t_reply_poem c , t_user d where a.comments_id=c.replyer_id and d.user_id = a.user_id and c.comments_id=#{commentsId} select a.comments_id, a.dynasty_id, d.username as user_id, a.comments_information, a.time from t_comments_dynasty a, t_reply_dynasty c , t_user d where a.comments_id=c.replyer_id and d.user_id = a.user_id and c.comments_id=#{commentsId} select a.comments_id, a.dynasty_id, d.username as user_id, a.comments_information, a.time from t_comments_dynasty a, #t_reply_dynasty c , t_user d where d.user_id= a.user_id and a.dynasty_id=#{dynastyId} and a.comments_id not IN ( SELECT `replyer_id` FROM `t_reply_dynasty` ) delete from t_comments_poem where comments_id=#{commentsId} ; delete from t_comments_dynasty where comments_id=#{commentsId}; delete from t_reply_dynasty where comments_id=#{commentsId} or replyer_id=#{commentsId}; delete from t_reply_poem where comments_id=#{commentsId} or replyer_id=#{commentsId}; delete from t_reply_poem where comments_id in ( select comments_id from t_comments_poem where poem_id=#{poemId} ) delete from t_reply_dynasty where comments_id in ( select comments_id from t_comments_dynasty where dynasty_id=#{dynastyId} ) delete from t_comments_poem where poem_id=#{poemId} delete from t_comments_dynasty where dynasty_id=#{dynastyId}