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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/11/16 05:08:12 UTC

[GitHub] [arrow-rs] tustvold commented on pull request #3115: Add COW conversion for Buffer and PrimitiveArray and unary_mut

tustvold commented on PR #3115:
URL: https://github.com/apache/arrow-rs/pull/3115#issuecomment-1316357244

   > currently doesn't offer the capacity to advance without setting its value buffer
   This is by design, as it would allow for unitialised memory. My suggestion is that `into_builder` would create a builder with the same length as the array from which it was created, i.e. `array.into_builder().finish()` would be a no-op. Does that make sense?


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