[GitHub] [arrow] jorisvandenbossche commented on pull request #7546: ARROW-8733: [C++][Dataset][Python] Expose RowGroupInfo statistics values

2020-07-07 Thread GitBox


jorisvandenbossche commented on pull request #7546:
URL: https://github.com/apache/arrow/pull/7546#issuecomment-654718123


   @rjzamora I opened https://issues.apache.org/jira/browse/ARROW-9346 to track 
the `total_byte_size` suggestion



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[GitHub] [arrow] jorisvandenbossche commented on pull request #7546: ARROW-8733: [C++][Dataset][Python] Expose RowGroupInfo statistics values

2020-07-01 Thread GitBox


jorisvandenbossche commented on pull request #7546:
URL: https://github.com/apache/arrow/pull/7546#issuecomment-652497706


   @rjzamora `num_rows` is already available on the RowGroupInfo object 
(https://github.com/apache/arrow/blob/cd3ed605857994575326c072bbfcf995541fa80e/python/pyarrow/_dataset.pyx#L845-L847)
   
   For the `total_byte_size`, can you open a JIRA for this? (it should be 
similar as `num_rows` to get / cache from the parquet row group, I think)



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