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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/11/09 22:05:28 UTC

[GitHub] [arrow-datafusion] isidentical opened a new issue, #4159: Determine the expression boundaries of an OR conjuction

isidentical opened a new issue, #4159:
URL: https://github.com/apache/arrow-datafusion/issues/4159

   **Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
   Where we have an expression like `a > 20 OR a = 10`, we should be able to determine the boundaries of this operation by looking at the boundaries of the two sides and union'ing them.
   
   **Describe the solution you'd like**
   Implement both boundary analysis and selectivity analysis for the AND conjunctions.
   
   **Describe alternatives you've considered**
   None
   
   **Additional context**
   Tracked in https://github.com/apache/arrow-datafusion/issues/3929


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