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API: Prefetch customer in order list view (#3768)

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Before this change, each order row needed an additional database query just to
resolve the customer id (integer) to customer identifier (string).

With this change, django does a database JOIN.
This commit is contained in:
Michael Stapelberg
2023-12-11 13:02:40 +01:00
committed by GitHub
parent f543cf2da5
commit c5ede32649
1 changed files with 2 additions and 0 deletions
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src/pretix/api/views/order.py
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@@ -222,6 +222,8 @@ class OrderViewSetMixin:
qs = qs.prefetch_related('refunds', 'refunds__payment') qs = qs.prefetch_related('refunds', 'refunds__payment')
if 'invoice_address' not in self.request.GET.getlist('exclude'): if 'invoice_address' not in self.request.GET.getlist('exclude'):
qs = qs.select_related('invoice_address') qs = qs.select_related('invoice_address')
if 'customer' not in self.request.GET.getlist('exclude'):
qs = qs.select_related('customer')
qs = qs.prefetch_related(self._positions_prefetch(self.request)) qs = qs.prefetch_related(self._positions_prefetch(self.request))
return qs return qs