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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/05/22 17:26:07 UTC

[GitHub] [arrow-rs] ritchie46 commented on pull request #335: respect offset in utf8 and list casts

ritchie46 commented on pull request #335:
URL: https://github.com/apache/arrow-rs/pull/335#issuecomment-846439340


   > 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?
   
   Yes, I simply respected the API at this point. We throw an error if [offsets do not start at zero](https://github.com/apache/arrow-rs/blob/a25cafb5e1e5cbd371433b0ff251386279c0aa6c/arrow/src/array/array_list.rs#L238), but we may be stricter than the spec is. 


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