CGM_Public/pretix_original
2
0
Fork 1
mirror of https://github.com/pretix/pretix.git synced 2026-05-04 15:04:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix high query load in pdf_data endpoints

Browse Source
This commit is contained in:
Raphael Michel
2022-07-22 17:11:49 +02:00
parent 826f1fcfa8
commit f6fa9b4b16
4 changed files with 64 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
src/pretix/api/views/order.py
View File

@@ -63,9 +63,10 @@ from pretix.api.serializers.orderchange import (
)
from pretix.base.i18n import language
from pretix.base.models import (
CachedCombinedTicket, CachedTicket, Checkin, Device, Event, Invoice,
InvoiceAddress, Order, OrderFee, OrderPayment, OrderPosition, OrderRefund,
Quota, SubEvent, TaxRule, TeamAPIToken, generate_secret,
CachedCombinedTicket, CachedTicket, Checkin, Device, EventMetaValue,
Invoice, InvoiceAddress, ItemMetaValue, Order, OrderFee, OrderPayment,
OrderPosition, OrderRefund, Quota, SubEvent, SubEventMetaValue, TaxRule,
TeamAPIToken, generate_secret,
)
from pretix.base.models.orders import QuestionAnswer, RevokedTicketSecret
from pretix.base.payment import PaymentException
@@ -215,14 +216,27 @@ class OrderViewSet(viewsets.ModelViewSet):
else:
opq = OrderPosition.objects
if request.query_params.get('pdf_data', 'false') == 'true':
prefetch_related_objects([request.organizer], 'meta_properties')
prefetch_related_objects(
[request.event],
Prefetch('meta_values', queryset=EventMetaValue.objects.select_related('property'), to_attr='meta_values_cached'),
'questions',
'item_meta_properties',
)
return Prefetch(
'positions',
opq.all().prefetch_related(
Prefetch('checkins', queryset=Checkin.objects.all()),
'item', 'variation', 'answers', 'answers__options', 'answers__question',
'item__category', 'addon_to', 'seat',
Prefetch('item', queryset=self.request.event.items.prefetch_related(
Prefetch('meta_values', ItemMetaValue.objects.select_related('property'), to_attr='meta_values_cached')
)),
'variation', 'answers', 'answers__options', 'answers__question',
'item__category',
Prefetch('subevent', queryset=self.request.event.subevents.prefetch_related(
Prefetch('meta_values', to_attr='meta_values_cached', queryset=SubEventMetaValue.objects.select_related('property'))
)),
Prefetch('addons', opq.select_related('item', 'variation', 'seat'))
)
).select_related('seat', 'addon_to')
)
else:
return Prefetch(
@@ -945,25 +959,47 @@ class OrderPositionViewSet(viewsets.ModelViewSet):
qs = qs.filter(order__event=self.request.event)
if self.request.query_params.get('pdf_data', 'false') == 'true':
prefetch_related_objects([self.request.organizer], 'meta_properties')
prefetch_related_objects(
[self.request.event],
Prefetch('meta_values', queryset=EventMetaValue.objects.select_related('property'), to_attr='meta_values_cached'),
'questions',
'item_meta_properties',
)
qs = qs.prefetch_related(
Prefetch('checkins', queryset=Checkin.objects.all()),
'answers', 'answers__options', 'answers__question',
Prefetch('item', queryset=self.request.event.items.prefetch_related(
Prefetch('meta_values', ItemMetaValue.objects.select_related('property'),
to_attr='meta_values_cached')
)),
'variation', 'answers', 'answers__options', 'answers__question',
'item__category',
Prefetch('addons', qs.select_related('item', 'variation')),
Prefetch('order', Order.objects.select_related('invoice_address').prefetch_related(
Prefetch(
'event',
Event.objects.select_related('organizer')
),
Prefetch('subevent', queryset=self.request.event.subevents.prefetch_related(
Prefetch('meta_values', to_attr='meta_values_cached',
queryset=SubEventMetaValue.objects.select_related('property'))
)),
Prefetch('order', self.request.event.orders.select_related('invoice_address').prefetch_related(
Prefetch(
'positions',
qs.prefetch_related(
'item', 'variation', 'answers', 'answers__options', 'answers__question',
Prefetch('checkins', queryset=Checkin.objects.all()),
Prefetch('item', queryset=self.request.event.items.prefetch_related(
Prefetch('meta_values', ItemMetaValue.objects.select_related('property'),
to_attr='meta_values_cached')
)),
'variation', 'answers', 'answers__options', 'answers__question',
'item__category', 'addon_to', 'seat',
Prefetch('subevent', queryset=self.request.event.subevents.prefetch_related(
Prefetch('meta_values', to_attr='meta_values_cached',
queryset=SubEventMetaValue.objects.select_related('property'))
)),
Prefetch('addons', qs.select_related('item', 'variation', 'seat'))
)
)
))
).select_related(
'item', 'variation', 'item__category', 'addon_to', 'seat'
'addon_to', 'seat'
)
else:
qs = qs.prefetch_related(