Samyak2 opened a new pull request, #18948:
URL: https://github.com/apache/datafusion/pull/18948
## Which issue does this PR close?
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- Fixes #18940
## Rationale for this change
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When any partitioned file had ranges selected (even if the range contained
the whole file), repartitioning was being skipped.
There was no good reason to disallow this.
## What changes are included in this PR?
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- I have now allowed this and change the implementation to respect file
ranges.
- Also did a very small refactor to make the code easier to read: replace
`state` tuple and `state.0`/`state.1` with proper variable names using
destructing
## Are these changes tested?
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Added a couple of unit tests. Let me know if more are needed.
## Are there any user-facing changes?
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