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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/09/27 10:43:05 UTC

[GitHub] [arrow-datafusion] Dandandan opened a new issue, #3628: Add support Range partitioning

Dandandan opened a new issue, #3628:
URL: https://github.com/apache/arrow-datafusion/issues/3628

   **Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
   In order to support parallel sort (or distributed sort in Ballista) we need to implement range partitioning.
   
   **Describe the solution you'd like**
   We should support partitioning by range.
   A range is a vector of buckets (for example 0, 100, 200, 400, 600, 1000) combined with a expression.
   The range vector might be given or computed during query execution.
   
   Each value belongs to partition i when the value is between the range values i and i + 1.
   
   **Describe alternatives you've considered**
   
   **Additional context**
   
   


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