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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/08/25 15:47:44 UTC

[GitHub] [arrow] emkornfield commented on pull request #8040: ARROW-9824: [C++] Export file_offset in RowGroupMetaData

emkornfield commented on pull request #8040:
URL: https://github.com/apache/arrow/pull/8040#issuecomment-680108252


   Since this is simply a proxy object around the underlying metadata I think it is OK to expose but should have some documentation around the value of this field if the offset isn't present (it looks like this field is [optional](https://github.com/apache/parquet-format/blob/master/src/main/thrift/parquet.thrift#L822), but in practice I imagine it must be required to properly parse a file?).  It would be nice to use the wording from the parquet specificaiton 


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