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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/02/25 12:03:25 UTC

[GitHub] [arrow] ovr edited a comment on pull request #9434: ARROW-10816: [Rust][DF] Operations with Intervals

ovr edited a comment on pull request #9434:
URL: https://github.com/apache/arrow/pull/9434#issuecomment-785846056


   @alamb @andygrove @nevi-me @jorgecarleitao 
   
   > Btw:
   
   >There is a problem, DF executes `BinaryExpr` by casting left and right sides which is not needed for `timestamp - interval`, because this calculation is exception in this case and should be done without casting. I am thinking how it's better to resolve it.
   
   >There are two different ideas how to solve it:
   
   >1. Rewrite execution for BinaryExpr
   >2. Wrap operations that dont need cast by function on logical plan
   
   What is better to use? Thanks


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