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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/01/12 15:08:01 UTC

[GitHub] [arrow] mqy commented on pull request #9175: ARROW-11221: [Rust] DF Implement GROUP BY support for Float32/Float64

mqy commented on pull request #9175:
URL: https://github.com/apache/arrow/pull/9175#issuecomment-758717943


   No sure but I think it should be OK to use crate `ordered-float`:
   - it has only one  rust file `https://github.com/reem/rust-ordered-float/blob/master/src/lib.rs` of about 800 lines.
   - the crate `num_traits` we are using does not provide `Ord`, `Eq` traits.


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