delete from t_collection_poem where poem_id=#{poemId} delete from t_collection_dynasty where dynasty_id=#{dynastyId} select COUNT(*) from t_collection_poem where user_id=#{userId} and poem_id=#{poemId} insert into t_collection_poem (user_id,poem_id,`time`) values (#{userId},#{poemId},#{time}); select COUNT(*) from t_collection_dynasty where user_id=#{userId} and dynasty_id=#{dynastyId} insert into t_collection_dynasty (user_id,dynasty_id,`time`) values (#{userId},#{dynastyId},#{time}); select poem_id, poem_name, username as poem_user, poem_information, givelike, collection, `explain`, `time` from t_poem left join t_user on poem_user = user_id where poem_id in ( select poem_id from t_collection_poem where user_id=#{userId} ) select dynasty_id, dynasty_name, username as dynasty_user, dynasty_information, givelike, collection, `explain`, `time` from t_dynasty left join t_user on dynasty_user = user_id where dynasty_id in ( select dynasty_id from t_collection_dynasty where user_id=#{userId} ); select COUNT(*) from t_collection_poem where poem_id=#{poemId}; select COUNT(*) from t_collection_dynasty where dynasty_id=#{dynastyId}; select COUNT(*) from t_collection_poem where poem_id=#{poemId} and user_id=#{userId}; select COUNT(*) from t_collection_dynasty where dynasty_id=#{dynastyId} and user_id=#{userId}; delete from t_collection_poem where poem_id=#{poemId} and user_id=#{userId} delete from t_collection_dynasty where dynasty_id=#{dynastyId} and user_id=#{userId} update t_poem set collection = #{result} where poem_id = #{poemId}; update t_dynasty set collection = #{result} where dynasty_id = #{dynastyId};