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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/06/12 12:12:21 UTC

[GitHub] [arrow] DavisVaughan commented on pull request #7415: ARROW-7028: [R] Date roundtrip results in different R storage mode

DavisVaughan commented on pull request #7415:
URL: https://github.com/apache/arrow/pull/7415#issuecomment-643237635


   @romainfrancois `funs::if_else()` is one of the few functions that is already implemented in funs and it does handle this correctly. `vec_cast()` and `vec_ptype2()` always push towards numeric Dates, no matter what the input is. I would imagine the same should happen here.
   
   I would say the round trip options are:
   
   ```
   Date<int> -> arrow -> Date<dbl>
   Date<dbl> -> arrow -> Date<dbl>
   ```


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