Joris Van den Bossche created ARROW-9346:
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Summary: [C++][Python][Dataset] Add total_byte_size metadata to
RowGroupInfo
Key: ARROW-9346
URL: https://issues.apache.org/jira/browse/ARROW-9346
Project: Apache Arrow
Issue Type: Improvement
Components: C++, Python
Reporter: Joris Van den Bossche
See https://github.com/apache/arrow/pull/7546#issuecomment-651177576.
The row group information in Parquet's FileMetadata includes a
"total_byte_size" field. It would be useful to expose this information on the
RowGroupInfo object, similarly as we already expose "num_rows".
cc [~rjzamora]
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