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models: Add a partial index on unread DMs.

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This helps the find_first_unread_anchor call for DMs with a user.
This commit is contained in:
Alex Vandiver
2025-07-22 07:27:12 +00:00
committed by Tim Abbott
parent 04f7dd998b
commit 83acf70d0f
2 changed files with 31 additions and 0 deletions
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9
zerver/models/messages.py
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@@ -636,6 +636,15 @@ class UserMessage(AbstractUserMessage):
condition=Q(flags__andnz=AbstractUserMessage.flags.is_private.mask),
name="zerver_usermessage_is_private_message_id",
),
models.Index(
"user_profile",
"message",
condition=(
Q(flags__andnz=AbstractUserMessage.flags.is_private.mask)
& Q(flags__andz=AbstractUserMessage.flags.read.mask)
),
name="zerver_usermessage_is_private_unread_message_id",
),
models.Index(
"user_profile",
"message",