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Support for Milvus Full Text Search in Dify #7062

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opened 2026-02-21 18:18:39 -05:00 by yindo · 1 comment
yindo commented 2026-02-21 18:18:39 -05:00
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Originally created by @kgpp34 on GitHub (Dec 4, 2024).

Self Checks

  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
  • [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:）
  • Please do not modify this template :) and fill in all the required fields.

1. Is this request related to a challenge you're experiencing? Tell me about your story.

Yes, currently Dify defaults to using Weaviate vector database. However, in China, many companies use Milvus. Before version 2.5.0-beta, we had to support BM25 ourselves. Now, Milvus 2.5.0 supports this algorithm, so we can use Milvus for hybrid search in Dify.

  • What is the feature you'd like to see?

I'd like to see Dify support the new text to sparse vector functionality provided by Milvus 2.5.0-beta and pymilvus2.5.0. When we insert a text field, Milvus should automatically execute text to sparse vector using a custom pymilvus Function.

  • How will this feature improve your workflow / experience?

This feature will bring full text search when the user uses Milvus vector database in Dify. It will promote and upgrade the
hybrid search ability, and it will increase robustness for Dify's RAG.

2. Additional context or comments

I'd like to see Dify support the new text to sparse vector functionality provided by Milvus 2.5.0-beta and pymilvus2.5.0. When we insert a text field, Milvus should automatically execute text to sparse vector using a custom pymilvus Function.

3. Can you help us with this feature?

  • I am interested in contributing to this feature.
Originally created by @kgpp34 on GitHub (Dec 4, 2024). ### Self Checks - [X] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [X] I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)). - [X] [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:） - [X] Please do not modify this template :) and fill in all the required fields. ### 1. Is this request related to a challenge you're experiencing? Tell me about your story. Yes, currently Dify defaults to using Weaviate vector database. However, in China, many companies use Milvus. Before version 2.5.0-beta, we had to support BM25 ourselves. Now, Milvus 2.5.0 supports this algorithm, so we can use Milvus for hybrid search in Dify. - What is the feature you'd like to see? I'd like to see Dify support the new text to sparse vector functionality provided by Milvus 2.5.0-beta and pymilvus2.5.0. When we insert a text field, Milvus should automatically execute text to sparse vector using a custom pymilvus Function. - How will this feature improve your workflow / experience? This feature will bring full text search when the user uses Milvus vector database in Dify. It will promote and upgrade the hybrid search ability, and it will increase robustness for Dify's RAG. ### 2. Additional context or comments I'd like to see Dify support the new text to sparse vector functionality provided by Milvus 2.5.0-beta and pymilvus2.5.0. When we insert a text field, Milvus should automatically execute text to sparse vector using a custom pymilvus Function. ### 3. Can you help us with this feature? - [X] I am interested in contributing to this feature.
yindo added the 💪 enhancement👻 feat:ragstale labels 2026-02-21 18:18:39 -05:00
yindo closed this issue 2026-02-21 18:18:39 -05:00
yindo commented 2026-02-21 18:18:39 -05:00
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@dosubot[bot] commented on GitHub (Jan 5, 2025):

Hi, @kgpp34. I'm Dosu, and I'm helping the Dify team manage their backlog. I'm marking this issue as stale.

Issue Summary:

  • You requested the integration of Milvus full-text search into Dify.
  • Milvus is noted for its widespread use in China as an alternative to Weaviate.
  • Milvus 2.5.0-beta supports the BM25 algorithm, which could enhance Dify's hybrid search.
  • You expressed interest in contributing to this feature's development.
  • No further comments or activities have been made on this issue.

Next Steps:

  • Please let us know if this issue is still relevant to the latest version of Dify by commenting here to keep the discussion open.
  • If there is no further activity, this issue will be automatically closed in 15 days.

Thank you for your understanding and contribution!

@dosubot[bot] commented on GitHub (Jan 5, 2025): Hi, @kgpp34. I'm [Dosu](https://dosu.dev), and I'm helping the Dify team manage their backlog. I'm marking this issue as stale. **Issue Summary:** - You requested the integration of Milvus full-text search into Dify. - Milvus is noted for its widespread use in China as an alternative to Weaviate. - Milvus 2.5.0-beta supports the BM25 algorithm, which could enhance Dify's hybrid search. - You expressed interest in contributing to this feature's development. - No further comments or activities have been made on this issue. **Next Steps:** - Please let us know if this issue is still relevant to the latest version of Dify by commenting here to keep the discussion open. - If there is no further activity, this issue will be automatically closed in 15 days. Thank you for your understanding and contribution!
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Reference: langgenius/dify#7062
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