apache / apache/kyuubi

[Improvement] Avoid unnecessary loop for injected analyzer rule

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Dominant language
Scala
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Forks
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PR merge metrics
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Description

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)

### Search before asking

- [X] I have searched in the [issues](https://github.com/apache/kyuubi/issues?q=is%3Aissue) and found no similar issues.

### What would you like to be improved?

Current code loop too much unnecessary cause catalyst slow.

### How should we improve?

_No response_

### Are you willing to submit PR?

- [X] Yes. I would be willing to submit a PR with guidance from the Kyuubi community to improve.
- [ ] No. I cannot submit a PR at this time.

Contributor guide

Open the contributing guide

Research direction

Start by locating the injected analyzer rule and the Catalyst-related loop in the Scala codebase. Trace why the loop repeats and identify existing tests covering analyzer behavior; done means removing unnecessary iteration without changing rule results, with validation from the relevant test suite.

Written by the indexing model from the issue text.

Assessment

Tech stack
scala, spark
Domain
performance
Issue type
Refactor
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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