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[PR #23800] [MERGED] perf: use set for O(1) lookup in insert_chat_files dedupe #43007

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opened 2026-04-25 14:44:22 -05:00 by GiteaMirror · 0 comments
GiteaMirror commented 2026-04-25 14:44:22 -05:00
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📋 Pull Request Information

Original PR: https://github.com/open-webui/open-webui/pull/23800
Author: @Classic298
Created: 4/16/2026
Status: ✅ Merged
Merged: 4/17/2026
Merged by: @tjbck

Base: dev ← Head: claude/optimize-file-dedup-2j97H

📝 Commits (1)

  • d9fc50a perf: use set for O(1) lookup in insert_chat_files dedupe

📊 Changes

1 file changed (+3 additions, -3 deletions)

View changed files

📝 backend/open_webui/models/chats.py (+3 -3)

📄 Description

Convert chat_message_file_ids from list to set so the membership test in the comprehension is O(1) instead of O(m), turning the dedupe from O(n*m) into O(n+m). Also replace the redundant set([...]) with a set comprehension.

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Deleting the CLA section will lead to immediate closure of your PR and it will not be merged in.

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/open-webui/open-webui/pull/23800 **Author:** [@Classic298](https://github.com/Classic298) **Created:** 4/16/2026 **Status:** ✅ Merged **Merged:** 4/17/2026 **Merged by:** [@tjbck](https://github.com/tjbck) **Base:** `dev` ← **Head:** `claude/optimize-file-dedup-2j97H` --- ### 📝 Commits (1) - [`d9fc50a`](https://github.com/open-webui/open-webui/commit/d9fc50a680f15903fa27d3b66fc763433e5ed856) perf: use set for O(1) lookup in insert_chat_files dedupe ### 📊 Changes **1 file changed** (+3 additions, -3 deletions) <details> <summary>View changed files</summary> 📝 `backend/open_webui/models/chats.py` (+3 -3) </details> ### 📄 Description Convert chat_message_file_ids from list to set so the membership test in the comprehension is O(1) instead of O(m), turning the dedupe from O(n*m) into O(n+m). Also replace the redundant set([...]) with a set comprehension. ### Contributor License Agreement <!-- 🚨 DO NOT DELETE THE TEXT BELOW 🚨 Keep the "Contributor License Agreement" confirmation text intact. Deleting it will trigger the CLA-Bot to INVALIDATE your PR. Your PR will NOT be reviewed or merged until you check the box below confirming that you have read and agree to the terms of the CLA. --> - [X] By submitting this pull request, I confirm that I have read and fully agree to the [Contributor License Agreement (CLA)](https://github.com/open-webui/open-webui/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT), and I am providing my contributions under its terms. > [!NOTE] > Deleting the CLA section will lead to immediate closure of your PR and it will not be merged in. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
GiteaMirror added the pull-request label 2026-04-25 14:44:22 -05:00
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Reference: github-starred/open-webui#43007
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