Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- # 1-3 이 쿼리는 의도한대로 +1개의 쿼리로 related_order를 조회한다
- # filter절에서 related_order에 대해 별다른 내용이 없어서 반항없이 개발자의 의도대로 따라준다.
- OrderedProduct.objects.filter(product_cnt=30).prefetch_related('related_order')
- """
- SELECT *
- FROM "orm_practice_app_orderedproduct"
- WHERE "orm_practice_app_orderedproduct"."product_cnt" = 30;
- SELECT *
- FROM "orm_practice_app_order"
- WHERE "orm_practice_app_order"."id" IN (~~~~~~~);
- """
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement