mysql in 超过1000语句优化

1、left join 优化

select b.group_id,b.group_name,b.group_type,b.is_share,b.item_ids,b.org_id,b.create_time,b.update_time,b.create_id,b.create_name,b.update_id,b.update_name,b.is_delete,b.remark from

(SELECT distinct group_id FROM item_group_detail WHERE org_id=597 AND is_delete=0 AND item_name LIKE CONCAT('%','菌落总数','%')) a

left join item_group b on a.group_id=b.group_id;