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Migration fix

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This commit is contained in:
Raphael Michel
2025-08-08 11:30:33 +02:00
parent 991271a87c
commit bd9a4ba0ba
1 changed files with 5 additions and 1 deletions
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6
src/pretix/base/migrations/0285_voucher_created.py
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@@ -9,9 +9,13 @@ def backfill_voucher_created(apps, schema_editor):
Voucher = apps.get_model("pretixbase", "Voucher") Voucher = apps.get_model("pretixbase", "Voucher")
LogEntry = apps.get_model("pretixbase", "LogEntry") LogEntry = apps.get_model("pretixbase", "LogEntry")
ContentType = apps.get_model("contenttypes", "ContentType") ContentType = apps.get_model("contenttypes", "ContentType")
ct = ContentType.objects.get(app_label='pretixbase', model='voucher') ct = None
for v in Voucher.objects.filter(created__isnull=True).iterator(): for v in Voucher.objects.filter(created__isnull=True).iterator():
if ct:
# "Lazy-loading" to prevent this to be executed on new DBs where the content type does not yet
# exist -- but also no vouchers do
ct = ContentType.objects.get(app_label='pretixbase', model='voucher')
v.created = LogEntry.objects.filter( v.created = LogEntry.objects.filter(
content_type=ct, content_type=ct,
object_id=v.pk, object_id=v.pk,