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dify - 💡(How to fix) Fix Segment contents changed after editing filename via update-by-text api [3 comments, 2 participants]

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langgenius/dify#35521•Fetched 2026-04-24 06:14:13
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Dify version

1.6.0

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

1、upload origin test file

2、edit segment contents via {KNOWLEDGE_URL}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}

3、edit filename via update-by-text，the segment contents returned into origin version

<img width="630" height="255" alt="Image" src="https://github.com/user-attachments/assets/cc0756d4-518a-4583-97d9-a4547443bdc6" /> <img width="710" height="782" alt="Image" src="https://github.com/user-attachments/assets/a795974d-7d71-4908-b18e-a525dd935986" /> <img width="957" height="786" alt="Image" src="https://github.com/user-attachments/assets/ef939f29-623d-472a-a4aa-73d63bec9d61" />

✔️ Expected Behavior

Change filenames and segments stay unchanged

❌ Actual Behavior

segments changed after editing filename via update-by-text api

extent analysis

TL;DR

The issue can be mitigated by verifying the update-by-text API request to ensure it does not inadvertently modify segment contents.

Guidance

  • Review the update-by-text API documentation to understand its expected behavior and parameters.
  • Verify that the API request is correctly formatted and does not include any unintended segment content modifications.
  • Check the API response to ensure it only updates the filename without altering segment contents.
  • Test the API with a minimal request to isolate the issue and confirm the expected behavior.

Example

No code snippet is provided as the issue does not include specific code details.

Notes

The root cause of the issue is unclear, but it appears to be related to the update-by-text API. Further investigation is needed to determine the exact cause.

Recommendation

Apply workaround: Verify and modify the update-by-text API request to prevent unintended segment content modifications, as the issue seems to be related to this specific API call.

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dify - 💡(How to fix) Fix Segment contents changed after editing filename via update-by-text api [3 comments, 2 participants]