UPDATE t_fans vloger_id = #{vlogerId}, fan_id = #{fanId}, is_fan_friend_of_mine = #{isFanFriendOfMine}, WHERE id = #{id} INSERT INTO t_fans ${key} VALUES #{value} SELECT * FROM t_fans f WHERE vloger_id = #{paramMap.vlogerId} AND fan_id = #{paramMap.fanId} DELETE FROM t_fans WHERE id = #{id} SELECT vloger_id, is_fan_friend_of_mine FROM t_fans WHERE fan_id = #{currentUserId} AND vloger_id IN #{vlogerId}