The GitHub Actions job "CI" on iceberg-rust.git/nested-write-m has succeeded.
Run started by GitHub user sundy-li (triggered by sundy-li).

Head commit for run:
0b0a7e226a4b727e8f31e173252be6537b73854f / sundyli <[email protected]>
feat(arrow): Support reading nested parquet columns

Enable projection of nested fields within struct columns when reading
parquet files. Previously, selecting a field nested inside a struct
would result in a FeatureUnsupported error.

Changes:
- Add RecordBatchProjector integration to extract nested fields from
  struct columns after parquet projection
- Extend RecordBatchTransformer's field ID mapping to recursively
  index nested struct fields
- Remove the nested field restriction in scan module that blocked
  nested field selection

The implementation detects when requested field IDs are nested (not
direct children of the schema) and creates a RecordBatchProjector to
extract those fields from their parent structs, flattening them into
the output record batch.

Report URL: https://github.com/apache/iceberg-rust/actions/runs/20743798657

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