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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/08/30 11:07:29 UTC

[GitHub] [arrow] pitrou commented on pull request #11023: ARROW-12712: [C++] String repeat kernel

pitrou commented on pull request #11023:
URL: https://github.com/apache/arrow/pull/11023#issuecomment-908251629


   > The current `StringTransformXXX` classes do not easily support non-scalar options. In this PR, we want to be able to do the following:
   > 
   > ```python
   > str_repeat(['a', 'b', 'c'], repeats=[1,2,3])  # ['a', 'bb', 'ccc']
   > ```
   
   To me, this means that the kernel is simply a binary kernel.


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