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Posted to github@arrow.apache.org by "vincev (via GitHub)" <gi...@apache.org> on 2023/08/23 19:18:49 UTC

[GitHub] [arrow-datafusion] vincev commented on pull request #7371: Optimize `Unest` and implement `skip_nulls=true` if specified

vincev commented on PR #7371:
URL: https://github.com/apache/arrow-datafusion/pull/7371#issuecomment-1690510349

   > Do we want to set `preserve_nulls = false` anywhere in the code? I recall the idea was to keep the dataframe api use preserve_nulls = true but when using sql unnest would drop the nulls
   
   Setting `preserve_null = false` for the dataframe api would be a breaking change for users as data pipelines that use dataframe unnest  would now produce different results.


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