select id, user_id, live_id, create_time, update_time from live_user_follow and user_id = #{userId} and live_id = #{liveId} where id = #{id} insert into live_user_follow user_id, live_id, create_time, update_time, #{userId}, #{liveId}, #{createTime}, #{updateTime}, update live_user_follow user_id = #{userId}, live_id = #{liveId}, create_time = #{createTime}, update_time = #{updateTime}, where id = #{id} delete from live_user_follow where id = #{id} delete from live_user_follow where id in #{id} where live_id = #{liveId} and user_id = #{userId} delete from live_user_follow where live_id = #{liveId} and user_id = #{userId}