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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/05/21 13:50:15 UTC

[GitHub] [arrow-rs] tustvold commented on pull request #1714: Check the length of `null_bit_buffer` in `ArrayData::try_new()`

tustvold commented on PR #1714:
URL: https://github.com/apache/arrow-rs/pull/1714#issuecomment-1133637853

   > we should try to remove the null_count field from ArrayData
   
   Often faster kernel implementations are possible if one can ignore nulls, as such null_count helps to inform this selection. It is also fairly common for a given array to be fed to more than one kernel, e.g. cmp then filter, and as such caching the null count on ArrayData avoids computing it multiple times


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