[英]Can't convert SQL to django query (having doesn't work)
我有這個 SQL:
SELECT
stock_id, consignment_id, SUM(qty), SUM(cost)
FROM
warehouse_regсonsignmentproduct
WHERE
product_id = '1'
GROUP BY
stock_id, consignment_id
HAVING
SUM(qty) > 0
我使用 django ORM 創建了這個查詢:
regСonsignmentProduct.objects
.filter(product='1')
.order_by('period')
.values('stock', 'consignment')
.annotate(total_qty=Sum('qty'), total_cost=Sum('cost'))
.filter(total_qty__gt=0)
但是我的 django 查詢返回了不正確的結果。
我認為,問題在於“注釋”
謝謝!
您需要按值排序以強制分組,因此:
regСonsignmentProduct.objects.filter(product='1').values(
'stock', 'consignment'
).annotate(
total_qty=Sum('qty'),
total_cost=Sum('cost')
).order_by('stock', 'consignment').filter(total_qty__gt=0)
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