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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/04/01 20:56:10 UTC

[GitHub] [arrow] ianmcook commented on pull request #12460: ARROW-13530: [C++] Implement cumulative sum compute function

ianmcook commented on pull request #12460:
URL: https://github.com/apache/arrow/pull/12460#issuecomment-1086315504


   Is it correct that this function does this:
   | input      | 
   | ----------- | 
   | [1, 2, 3]      |
   | [4, 5, 6]   |
   
   ⬇️
   | output      | 
   | ----------- | 
   | [1, 3, 6]      |
   | [4, 9, 15]   |
   
   _not_ this:
   
   | input      | 
   | ----------- | 
   | 1      |
   | 2      |
   | 3      |
   
   ⬇️
   | output      | 
   | ----------- | 
   | 1      |
   | 3      |
   | 6      |
   
   ?
   
   
   


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