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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/06/13 10:13:31 UTC

[GitHub] [arrow-rs] tustvold commented on pull request #1839: Improve comparison of struct fields

tustvold commented on PR #1839:
URL: https://github.com/apache/arrow-rs/pull/1839#issuecomment-1153733098

   I'm not sure about this, reordering fields in a StructArray is not compatible? To me this feels like a limitation of the SchemaAdapter logic in DataFusion which needs to:
   
   * Understand nested types
   * Re-project fields within nested types
   
   Columns and fields are identified by index and not column name, and so they cannot be arbitrarily reordered?


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