discivigour opened a new pull request, #8530:
URL: https://github.com/apache/paimon/pull/8530

   ### Purpose
   
   Fix schema validation for partial-column writes in `paimon-python`.
   
   Previously, when `with_write_type(...)` was used, `_validate_pyarrow_schema` 
accepted input as long as the input field names matched `write_cols`, without 
checking the corresponding table field types. This could allow an inferred 
`int64` Arrow column to be written into an `int32` table column.
   
   ### Tests
   - test_column_subset_write_rejects_int64_for_int32()


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