select master_id, school_id, major_id, sort, create_at, update_at, del_flag from mall_school_master and master_id = #{masterId} and school_id = #{schoolId} and major_id = #{majorId} and sort = #{sort} and create_at = #{createAt} and update_at = #{updateAt} and del_flag = #{delFlag} where master_id = #{masterId} insert into mall_school_master master_id, school_id, major_id, sort, create_at, update_at, del_flag, #{masterId}, #{schoolId}, #{majorId}, #{sort}, #{createAt}, #{updateAt}, #{delFlag}, update mall_school_master school_id = #{schoolId}, major_id = #{majorId}, sort = #{sort}, create_at = #{createAt}, update_at = #{updateAt}, del_flag = #{delFlag}, where master_id = #{masterId} delete from mall_school_master where master_id = #{masterId} delete from mall_school_master where master_id in #{masterId}