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Posted to github@arrow.apache.org by "lidavidm (via GitHub)" <gi...@apache.org> on 2023/04/24 10:53:45 UTC

[GitHub] [arrow] lidavidm commented on pull request #35298: GH-35297: [C++][IPC] Fix schema deserialization of map field

lidavidm commented on PR #35298:
URL: https://github.com/apache/arrow/pull/35298#issuecomment-1519900398

   Hmm, what was the behavior before?
   
   entries/keys can never be nullable: https://github.com/apache/arrow/blob/cd14e2019ce93e1d6ffadc2556cc4275eeadd9f2/format/Schema.fbs#L124
   
   so if it was allowing it before, we may have a compatibility issue on our hands...


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