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Deprecation: improve Celery task db query #10414

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Merged
merged 5 commits into from
Jun 12, 2023
Merged

Deprecation: improve Celery task db query #10414

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dc08e98
Deprecation: improve Celery task db query
humitos Jun 8, 2023
a914e7c
Deprecation: improve slow db query
humitos Jun 8, 2023
8ef9264
Deprecation: adapt comment
humitos Jun 8, 2023
a933c70
Minor fix
humitos Jun 9, 2023
5b5c5b9
Remove `.exclude` of unread notifications
humitos Jun 9, 2023
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8 changes: 8 additions & 0 deletions readthedocs/projects/tasks/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -271,6 +271,14 @@ def deprecated_config_file_used_notification():
queryset = User.objects.filter(username__in=users, profile__banned=False).order_by(
"id"
)

# Exclude users that already have an unread notification.
# Our notifications backend already performs de-duplication of notifications automatically.
# However, this is only to speed up things here since this loop takes the most time.
queryset = queryset.exclude(
message__message__startswith="Your project(s)", message__read=False
)

n_users = queryset.count()
for i, user in enumerate(queryset.iterator()):
if i % 500 == 0:
Expand Down