Rashampreet4114 opened a new pull request, #2480:
URL: https://github.com/apache/iceberg-python/pull/2480
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# Rationale for this change
This PR adds documentation for **PyIceberg ⇄ PyArrow** datatype mapping
/conversion table
The Iceberg spec currently defines type mappings only for Avro, Parquet, and
ORC.
This change fills that gap by providing a clear reference for Python
developers working with PyIceberg and PyArrow.
The documentation:
- Lists all supported **PyIceberg → PyArrow** conversions, derived from the
`_ConvertToArrowSchema` visitor class.
- Provides the natural **PyArrow → PyIceberg** reverse mapping for
round-tripping.
- Highlights important details such as handling of field IDs, documentation
metadata, decimal precision, large string/binary handling, and timestamp
precision/timezones.
# Are these changes tested?
No
# Are there any user-facing changes?
Yes.
- **New Markdown documentation**: `pyiceberg_pyarrow_mapping.md` (with
aligned tables and Python type classes).
- No changes to runtime behavior—purely documentation.
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