Classic298 732d9b484d fix: resolve N+1 query pattern in users endpoint (#20427) ...

## Summary

Fixed N+1 query pattern in the `/api/v1/users` endpoint where groups were being fetched for each user individually.

### Problem

The `GET /api/v1/users` endpoint called `Groups.get_groups_by_member_id()` for each user, resulting in:
- 1 query for users
- N queries for groups (one per user)

### Solution

Added a new `Groups.get_groups_by_member_ids()` method that fetches groups for multiple users in a single query using SQL `IN` clause and `JOIN`.

### Changes

- **[groups.py](open_webui/models/groups.py)**: Added `get_groups_by_member_ids()` method
- **[users.py](open_webui/routers/users.py)**: Updated endpoint to use bulk method

### Result

- Before: 1 + N queries
- After: 2 queries total (1 for users, 1 for all groups)

2026-01-06 21:26:14 +04:00

20 KiB

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