Shekharrajak opened a new pull request, #3531:
URL: https://github.com/apache/datafusion-comet/pull/3531
## Which issue does this PR close?
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Closes #2957
## Rationale for this change
source operators like RangeExec (from spark.range()) produce InternalRow
format, not Arrow format. The native writer requires Arrow-formatted input
(requiresNativeChildren = true), so the conversion fails.
## What changes are included in this PR?
Previously, users had to manually enable
spark.comet.sparkToColumnar.enabled=true to convert RangeExec to Arrow format.
This fix automates this conversion when native write is requested, making
INSERT OVERWRITE DIRECTORY work out of the box without additional configuration.
## How are these changes tested?
Unit tests : basic with RangeExec source , aggregation, compression
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