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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/05/22 13:31:53 UTC

[GitHub] [arrow-rs] jorgecarleitao commented on pull request #335: respect offset in utf8 and list casts

jorgecarleitao commented on pull request #335:
URL: https://github.com/apache/arrow-rs/pull/335#issuecomment-846408890


   Thanks a lot @ritchie46 . I can't fully evaluate this because I am uncertain about the spec here.
   
   I am a bit uncertain about the spec here: do we require the offset buffer to start at 0, or is the requirement that the last value minus the first value must be equal to the length of the values buffer? @nevi-me , do you know what is the spec here? 
   
   I am asking because IPC does not support the `ArrayData::offset`. Do we need to "de-offset" sliced arrays when passing tor IPC, or what is the deal here? (last resort, I will bring this to the mailing list)
   


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