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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/01/21 14:04:56 UTC

[GitHub] [arrow] nbruno commented on pull request #9151: ARROW-11173: [Java] Add map type in complex reader / writer

nbruno commented on pull request #9151:
URL: https://github.com/apache/arrow/pull/9151#issuecomment-764664522


   @liyafan82 It might be implicitly supported, but you'd have to be aware of that implementation detail in order to work with it. It's also less fluent to work with a list of structs to imply a map in the readers / writers, rather than a dedicated map API. It was also noted as a gap in the API on the [mailing list](https://lists.apache.org/thread.html/r6e2de4be2cdea11e3f277aff2c23b2bda0782d9460d4dddf5c11f240%40%3Cuser.arrow.apache.org%3E).


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