langchain-ai/langchain

ChromaDB document deletion not working

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#4,880 建立於 2023年5月17日

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 (25 留言) (3 反應) (0 負責人)Python (136,758 star) (22,617 fork)batch import
chromaexternalhelp wantedintegration

描述

Issue you'd like to raise.

I am trying to delete a single document from Chroma db using the following code:

chroma_db = Chroma(persist_directory = embeddings_save_path, embedding_function = OpenAIEmbeddings(model = os.getenv("EMBEDDING_MODEL_NAME"), chunk_size = 1, max_retries = 5) )

chroma_db._collection.delete(ids = list_of_ids) chroma_db.persist()

However, the document is not actually being deleted. After loading/re-loading the chroma db from local, it is still showing the document in it.

I have tried the following things to fix the issue:

I have made sure that the list of ids is correct. I have tried deleting the document multiple times. I have tried restarting the Chroma db server. None of these things have worked.

I am not sure why the document is not being deleted. I would appreciate any help in resolving this issue.

Thanks, Anant Patankar

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貢獻者指南

技術棧
python
領域
databasebackend
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
1-3 hours
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
active
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
mostly clear
前置要求
Python basicsLangChain basicsChromaDB basics
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
40
研究方向
Investigate the Chroma class in langchain's vectorstores implementation, specifically the ` collection.delete` and `persist` methods. Check if the deletion is actually persisted to disk or if there is a caching issue. Look at the ChromaDB documentation for the correct delete workflow. Examine the GitHub issue comments for any attempted solutions or reproduction steps.