oceanbase / oceanbase/seekdb

Vector index remains usable after deletion during refresh process

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dima type: bug
Dominant language
C++
Stars
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Environment

  • Version: 5.7.25 OceanBase seekdb (r) (Built 1-237f9a94e11e00b6616f19...)

Description

During a refresh operation, a vector index that has been deleted is still accessible and usable.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source files, tests, or entry points are named. Start by reproducing the refresh operation while deleting a vector index in seekdb 5.7.25, then trace the refresh and index-deletion paths. Done means a deleted vector index is no longer accessible or usable after refresh.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
databases
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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