pyiceberg/table/__init__.py [459:478]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        try:
            import pyarrow as pa
        except ModuleNotFoundError as e:
            raise ModuleNotFoundError("For writes PyArrow needs to be installed") from e

        from pyiceberg.io.pyarrow import _check_pyarrow_schema_compatible, _dataframe_to_data_files

        if not isinstance(df, pa.Table):
            raise ValueError(f"Expected PyArrow table, got: {df}")

        if unsupported_partitions := [
            field for field in self.table_metadata.spec().fields if not field.transform.supports_pyarrow_transform
        ]:
            raise ValueError(
                f"Not all partition types are supported for writes. Following partitions cannot be written using pyarrow: {unsupported_partitions}."
            )
        downcast_ns_timestamp_to_us = Config().get_bool(DOWNCAST_NS_TIMESTAMP_TO_US_ON_WRITE) or False
        _check_pyarrow_schema_compatible(
            self.table_metadata.schema(), provided_schema=df.schema, downcast_ns_timestamp_to_us=downcast_ns_timestamp_to_us
        )
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



pyiceberg/table/__init__.py [570:589]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        try:
            import pyarrow as pa
        except ModuleNotFoundError as e:
            raise ModuleNotFoundError("For writes PyArrow needs to be installed") from e

        from pyiceberg.io.pyarrow import _check_pyarrow_schema_compatible, _dataframe_to_data_files

        if not isinstance(df, pa.Table):
            raise ValueError(f"Expected PyArrow table, got: {df}")

        if unsupported_partitions := [
            field for field in self.table_metadata.spec().fields if not field.transform.supports_pyarrow_transform
        ]:
            raise ValueError(
                f"Not all partition types are supported for writes. Following partitions cannot be written using pyarrow: {unsupported_partitions}."
            )
        downcast_ns_timestamp_to_us = Config().get_bool(DOWNCAST_NS_TIMESTAMP_TO_US_ON_WRITE) or False
        _check_pyarrow_schema_compatible(
            self.table_metadata.schema(), provided_schema=df.schema, downcast_ns_timestamp_to_us=downcast_ns_timestamp_to_us
        )
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -