paulmataruso/zulip
1
0
Fork 0
mirror of https://github.com/zulip/zulip.git synced 2025-11-15 19:31:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

django: Switch to .alias() instead .annotate() where possible.

Browse Source 
When using the sub-expression purely for filtering, and not for
accessing the value in the resultset, .alias() is potentially faster
since it does not pull the value in as well.
This commit is contained in:
Alex Vandiver
2024-07-11 15:04:53 +00:00
committed by Tim Abbott
parent e1a9473bd6
commit d5a4941691
7 changed files with 11 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
zerver/lib/streams.py
View File

@@ -845,7 +845,7 @@ def get_occupied_streams(realm: Realm) -> QuerySet[Stream]:
)
occupied_streams = (
Stream.objects.filter(realm=realm, deactivated=False)
.annotate(occupied=exists_expression)
.alias(occupied=exists_expression)
.filter(occupied=True)
)
return occupied_streams
@@ -1002,7 +1002,7 @@ def get_subscribed_private_streams_for_user(user_profile: UserProfile) -> QueryS
)
subscribed_private_streams = (
Stream.objects.filter(realm=user_profile.realm, invite_only=True, deactivated=False)
.annotate(subscribed=exists_expression)
.alias(subscribed=exists_expression)
.filter(subscribed=True)
)
return subscribed_private_streams