CGM_Public/pretix_original
2
0
Fork 1
mirror of https://github.com/pretix/pretix.git synced 2026-05-09 15:54:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

Reduce SQL query load on check-in list viewer

Browse Source
This commit is contained in:
Raphael Michel
2021-05-28 18:50:39 +02:00
parent 6ed7a3d44d
commit 7e0fa33661
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/pretix/control/views/checkin.py
View File

@@ -35,7 +35,7 @@
import dateutil.parser import dateutil.parser
from django.contrib import messages from django.contrib import messages
from django.db import transaction from django.db import transaction
from django.db.models import Exists, Max, OuterRef, Subquery from django.db.models import Exists, Max, OuterRef, Prefetch, Subquery
from django.http import Http404, HttpResponseRedirect from django.http import Http404, HttpResponseRedirect
from django.shortcuts import get_object_or_404, redirect from django.shortcuts import get_object_or_404, redirect
from django.urls import reverse from django.urls import reverse
@@ -87,7 +87,11 @@ class CheckInListShow(EventPermissionRequiredMixin, PaginationMixin, ListView):
auto_checked_in=Exists( auto_checked_in=Exists(
Checkin.objects.filter(position_id=OuterRef('pk'), list_id=self.list.pk, auto_checked_in=True) Checkin.objects.filter(position_id=OuterRef('pk'), list_id=self.list.pk, auto_checked_in=True)
) )
).select_related('item', 'variation', 'order', 'addon_to') ).select_related(
'item', 'variation', 'order', 'addon_to'
).prefetch_related(
Prefetch('subevent', queryset=self.request.event.subevents.all())
)
if self.list.subevent: if self.list.subevent:
qs = qs.filter( qs = qs.filter(
subevent=self.list.subevent subevent=self.list.subevent