tiflash supports decoding continous selection
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- Dominant language
- C++
- Stars
- 1k
- Forks
- 423
- Avg merge
- 1d 15h
- Merged PRs (30d)
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Description
Enhancement
at present, tiflash cannot decode continous selection operators, which may generated from tidb planner. once it occurs, tiflash return errors. To avoid this, tiflash should support decoding continous selections.
example https://github.com/pingcap/tics/issues/1731
when refactor query blocks, we should consider this issue. @fuzhe1989
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading the related TiCS issue 1731 and the query-block refactoring work mentioned here. Trace how TiFlash decodes selection operators, especially consecutive selections generated by the TiDB planner. Done means continuous selections decode successfully instead of returning errors.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- backend, databases
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100