师资库
channel_ids_str:49,50,51,52,53,54,55,56ids:FIND_IN_SET('49', `a`.`channel_ids`) > 0 or FIND_IN_SET('50', `a`.`channel_ids`) > 0 or FIND_IN_SET('51', `a`.`channel_ids`) > 0 or FIND_IN_SET('52', `a`.`channel_ids`) > 0 or FIND_IN_SET('53', `a`.`channel_ids`) > 0 or FIND_IN_SET('54', `a`.`channel_ids`) > 0 or FIND_IN_SET('55', `a`.`channel_ids`) > 0 or FIND_IN_SET('56', `a`.`channel_ids`) > 0 !49,50,51,52,53,54,55,56
111`a`.`channel_id` in (49,50,51,52,53,54,55,56) or FIND_IN_SET('49', `a`.`channel_ids`) > 0 or FIND_IN_SET('50', `a`.`channel_ids`) > 0 or FIND_IN_SET('51', `a`.`channel_ids`) > 0 or FIND_IN_SET('52', `a`.`channel_ids`) > 0 or FIND_IN_SET('53', `a`.`channel_ids`) > 0 or FIND_IN_SET('54', `a`.`channel_ids`) > 0 or FIND_IN_SET('55', `a`.`channel_ids`) > 0 or FIND_IN_SET('56', `a`.`channel_ids`) > 0
5