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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/07/06 16:28:42 UTC

[GitHub] [arrow] jorisvandenbossche commented on pull request #13501: ARROW-16695: [R][Python][C++] Extension types are not supported in joins

jorisvandenbossche commented on PR #13501:
URL: https://github.com/apache/arrow/pull/13501#issuecomment-1176430760

   What I don't fully understand here is why the "non-key field" needs to be included in creating the Encoder? The non-key fields are not used for building up the join values, so why is it important that we support that data type? 
   (naively, I would assume that for such non-key fields, we only need to be able to "take" the resulting values needed for the result)


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