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Always make explicit which tables to lock (#3058)

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Co-authored-by: Richard Schreiber <schreiber@rami.io>
This commit is contained in:
Raphael Michel
2023-01-25 11:44:11 +01:00
committed by GitHub
parent 8ca128912e
commit 3c1f3a26cf
16 changed files with 59 additions and 34 deletions
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3
src/pretix/base/services/memberships.py
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@@ -32,6 +32,7 @@ from pretix.base.models import (
AbstractPosition, Customer, Event, Item, Membership, Order, OrderPosition,
SubEvent,
)
from pretix.helpers import OF_SELF
def membership_validity(item: Item, subevent: Optional[SubEvent], event: Event):
@@ -118,7 +119,7 @@ def validate_memberships_in_order(customer: Customer, positions: List[AbstractPo
base_qs = Membership.objects.with_usages(ignored_order=ignored_order)
if lock:
base_qs = base_qs.select_for_update()
base_qs = base_qs.select_for_update(of=OF_SELF)
membership_cache = base_qs\
.select_related('membership_type')\