delete from t_givelike_poem where poem_id=#{poemId} delete from t_givelike_dynasty where dynasty_id=#{dynastyId} select givelike_id, username as user_id, dynasty_name as dynasty_id, t_givelike_dynasty.`time` from t_givelike_dynasty,t_user,t_dynasty where(t_givelike_dynasty.dynasty_id = #{dynastyId}) and (t_givelike_dynasty.user_id = t_user.user_id) and (t_givelike_dynasty.dynasty_id = t_dynasty.dynasty_id) select givelike_id, username as user_id, poem_name as poem_id, t_givelike_poem.`time` from t_givelike_poem,t_user,t_poem where(t_givelike_poem.poem_id = #{poemId}) and (t_givelike_poem.user_id = t_user.user_id) and (t_givelike_poem.poem_id = t_poem.poem_id) insert into t_givelike_poem (user_id,poem_id,`time`) values (#{userId},#{poemId},#{time}); insert into t_givelike_dynasty (user_id,dynasty_id,`time`) values (#{userId},#{dynastyId},#{time}); delete from t_givelike_poem where givelike_id=#{giveLikeId}; delete from t_givelike_dynasty where givelike_id=#{giveLikeId}; select COUNT(*) from t_givelike_poem where user_id=#{userId} and poem_id=#{poemId} select COUNT(*) from t_givelike_dynasty where user_id=#{userId} and dynasty_id=#{dynastyId} delete from t_givelike_poem where user_id=#{userId} and poem_id=#{poemId}; delete from t_givelike_dynasty where user_id=#{userId} and dynasty_id=#{dynastyId}; update t_dynasty set givelike = #{size} where dynasty_id = #{dynastyId} ; update t_poem set givelike = #{size} where poem_id = #{poemId} ;