infvg opened a new pull request, #12962:
URL: https://github.com/apache/gluten/pull/12962
## What changed
- Add native Gluten support for Iceberg `SparkStagedScan`.
- Read staged file tasks from the scan task groups.
- Use the existing Iceberg schema, partition, and file-format logic for
staged scans.
## Why
Iceberg `RewriteDataFiles` uses a staged scan to read selected data files.
Gluten previously supported only `SparkBatchQueryScan`. Gluten rejected
the staged scan, and Spark used the standard Spark execution path.
This change lets Gluten use the native Iceberg scan path for staged scans.
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