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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/05/25 19:45:04 UTC

[GitHub] [arrow-datafusion] alamb commented on pull request #339: Speed up `create_batch_from_map`

alamb commented on pull request #339:
URL: https://github.com/apache/arrow-datafusion/pull/339#issuecomment-848211501


   > My view is that at some point data in aggregations should be stored in contiguous arrays and only referenced (with offsets) to from other places.
   
   I think this makes a lot of sense.
   
   The reason we can't use Arrow arrays for this is that for now they are not *mutable* -- making some version of an ArrowVec would be helpful (I think I remember @ritchie46  mentioning he made something like this for polars-rs)


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