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API: Fix high load in pdf_data endpoints if addons are in use

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Raphael Michel
2022-07-22 17:43:03 +02:00
parent f6fa9b4b16
commit 9101b5b69d
1 changed files with 10 additions and 6 deletions
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16
src/pretix/api/views/order.py
View File

@@ -230,13 +230,15 @@ class OrderViewSet(viewsets.ModelViewSet):
Prefetch('item', queryset=self.request.event.items.prefetch_related( Prefetch('item', queryset=self.request.event.items.prefetch_related(
Prefetch('meta_values', ItemMetaValue.objects.select_related('property'), to_attr='meta_values_cached') Prefetch('meta_values', ItemMetaValue.objects.select_related('property'), to_attr='meta_values_cached')
)), )),
'variation', 'answers', 'answers__options', 'answers__question', 'variation',
'answers', 'answers__options', 'answers__question',
'item__category', 'item__category',
'addon_to__answers', 'addon_to__answers__options', 'addon_to__answers__question',
Prefetch('subevent', queryset=self.request.event.subevents.prefetch_related( Prefetch('subevent', queryset=self.request.event.subevents.prefetch_related(
Prefetch('meta_values', to_attr='meta_values_cached', queryset=SubEventMetaValue.objects.select_related('property')) Prefetch('meta_values', to_attr='meta_values_cached', queryset=SubEventMetaValue.objects.select_related('property'))
)), )),
Prefetch('addons', opq.select_related('item', 'variation', 'seat')) Prefetch('addons', opq.select_related('item', 'variation', 'seat'))
).select_related('seat', 'addon_to') ).select_related('seat', 'addon_to', 'addon_to__seat')
) )
else: else:
return Prefetch( return Prefetch(
@@ -972,8 +974,10 @@ class OrderPositionViewSet(viewsets.ModelViewSet):
Prefetch('meta_values', ItemMetaValue.objects.select_related('property'), Prefetch('meta_values', ItemMetaValue.objects.select_related('property'),
to_attr='meta_values_cached') to_attr='meta_values_cached')
)), )),
'variation', 'answers', 'answers__options', 'answers__question', 'variation',
'answers', 'answers__options', 'answers__question',
'item__category', 'item__category',
'addon_to__answers', 'addon_to__answers__options', 'addon_to__answers__question',
Prefetch('addons', qs.select_related('item', 'variation')), Prefetch('addons', qs.select_related('item', 'variation')),
Prefetch('subevent', queryset=self.request.event.subevents.prefetch_related( Prefetch('subevent', queryset=self.request.event.subevents.prefetch_related(
Prefetch('meta_values', to_attr='meta_values_cached', Prefetch('meta_values', to_attr='meta_values_cached',
@@ -989,17 +993,17 @@ class OrderPositionViewSet(viewsets.ModelViewSet):
to_attr='meta_values_cached') to_attr='meta_values_cached')
)), )),
'variation', 'answers', 'answers__options', 'answers__question', 'variation', 'answers', 'answers__options', 'answers__question',
'item__category', 'addon_to', 'seat', 'item__category',
Prefetch('subevent', queryset=self.request.event.subevents.prefetch_related( Prefetch('subevent', queryset=self.request.event.subevents.prefetch_related(
Prefetch('meta_values', to_attr='meta_values_cached', Prefetch('meta_values', to_attr='meta_values_cached',
queryset=SubEventMetaValue.objects.select_related('property')) queryset=SubEventMetaValue.objects.select_related('property'))
)), )),
Prefetch('addons', qs.select_related('item', 'variation', 'seat')) Prefetch('addons', qs.select_related('item', 'variation', 'seat'))
) ).select_related('addon_to', 'seat', 'addon_to__seat')
) )
)) ))
).select_related( ).select_related(
'addon_to', 'seat' 'addon_to', 'seat', 'addon_to__seat'
) )
else: else:
qs = qs.prefetch_related( qs = qs.prefetch_related(