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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/02/13 13:53:54 UTC

[GitHub] [arrow-rs] tustvold commented on pull request #1263: Implement DictionaryArray support in eq_dyn

tustvold commented on pull request #1263:
URL: https://github.com/apache/arrow-rs/pull/1263#issuecomment-1038133890


   From the link @alamb provided
   
   > The null count of such arrays is dictated only by the validity bitmap of its indices, irrespective of any null values in the dictionary.
   
   My interpretation of that is that the nulls on the values array are simply ignored, and only the null mask of the DictionaryArray is considered.


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