vicennial commented on code in PR #49834:
URL: https://github.com/apache/spark/pull/49834#discussion_r1946219534
##########
python/pyspark/sql/connect/client/core.py:
##########
@@ -958,8 +958,14 @@ def to_pandas(
"coerce_temporal_nanoseconds": True,
}
)
- pdf = renamed_table.to_pandas(**pandas_options)
- pdf.columns = schema.names
+ # SPARK-51112: If the table is empty, we avoid using pyarrow to_pandas
to create the
+ # DataFrame, as it may fail with a segmentation fault. Instead, we
create an empty pandas
+ # DataFrame manually with the correct schema.
+ if table.num_rows == 0:
+ pdf = pd.DataFrame(columns=[field.name for field in schema.fields])
+ else:
Review Comment:
Ack. I've put the `pandas_options` creations within the 'else' now
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