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fix: add deterministic ordering to chat_ids pagination query to prevent duplicates (#22383)

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Classic298
2026-03-08 02:19:44 +01:00
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parent 459a60a242
commit d1975b740b
1 changed files with 5 additions and 1 deletions
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6
backend/open_webui/models/chat_messages.py
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@@ -292,9 +292,13 @@ class ChatMessageTable:
query = query.filter(ChatMessage.created_at <= end_date) query = query.filter(ChatMessage.created_at <= end_date)
# Group by chat_id and order by most recent message in each chat # Group by chat_id and order by most recent message in each chat
# Secondary sort on chat_id ensures deterministic pagination
# (prevents duplicates across pages when timestamps tie)
chat_ids = ( chat_ids = (
query.group_by(ChatMessage.chat_id) query.group_by(ChatMessage.chat_id)
.order_by(func.max(ChatMessage.created_at).desc()) .order_by(
func.max(ChatMessage.created_at).desc(), ChatMessage.chat_id
)
.offset(skip) .offset(skip)
.limit(limit) .limit(limit)
.all() .all()