kevinjqliu commented on code in PR #1141:
URL: https://github.com/apache/iceberg-python/pull/1141#discussion_r1759615542
##########
pyiceberg/io/pyarrow.py:
##########
@@ -1251,10 +1253,17 @@ def _task_to_record_batches(
arrow_table = arrow_table.filter(pyarrow_filter)
if len(arrow_table) == 0:
continue
- batch = arrow_table.to_batches()[0]
- yield _to_requested_schema(
- projected_schema, file_project_schema, batch,
downcast_ns_timestamp_to_us=True, use_large_types=use_large_types
- )
+ output_batches = arrow_table.to_batches()
+ else:
+ output_batches = iter([batch])
Review Comment:
ah, didnt see that.
Do you mind adding a comment here to mention the possible `batch` mutation?
I feel like this might be an easy footgun later
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