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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/08/15 15:24:04 UTC

[GitHub] [arrow] andygrove commented on pull request #7967: ARROW-9751: [Rust] [DataFusion] Allow UDFs to accept multiple data types per argument

andygrove commented on pull request #7967:
URL: https://github.com/apache/arrow/pull/7967#issuecomment-674411085


   @jorgecarleitao This looks good but I have one concern/question. What happens if I declare a function with two args and both args can be Float32 or Float64, but when I call it, one arg is i8 and the other arg is f64? Would they both get cast to f64 in this case? or would one be cast to f32 and the other to f64? The latter would not work if the function requires both types to be the same.


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