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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/12/09 15:43:55 UTC

[GitHub] [arrow-datafusion] alamb commented on issue #1418: Talk about the result type for coerced type

alamb commented on issue #1418:
URL: https://github.com/apache/arrow-datafusion/issues/1418#issuecomment-989971422


   @liukun4515  -- I think the rationale for using `float64` for the result of `sum(float32)` and `avg(float32)` is done to minimize error due to floating point rounding
   
   I think using `float64` for the result type makes sense


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