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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/07/19 09:35:37 UTC

[GitHub] [arrow] pitrou commented on pull request #13487: ARROW-16945: [C++] Add new scalar compute function for 32-bit hashing

pitrou commented on PR #13487:
URL: https://github.com/apache/arrow/pull/13487#issuecomment-1188827906

   > * Given a random selection of non-equal values
   
   I'd add that non-random but likely selections should also show a nice hash distribution. Including:
   * ranges of consecutive `[0, N]` numbers
   * clustered strings (for example a subset of `/usr/share/dict/words`, or something generated that looks like that)
   


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