[GitHub] [arrow-ballista] andygrove opened a new issue, #16: Ballista: UnresolvedShuffleExec and ShuffleReaderExec should show correct partitioning scheme

[GitBox <gi...@apache.org>]

andygrove opened a new issue, #16:
URL: https://github.com/apache/arrow-ballista/issues/16

   **Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
   Once https://github.com/apache/arrow-datafusion/pull/750 is merged, `UnresolvedShuffleExec` and `ShuffleReaderExec` work correctly but they both report their output partitioning as unknown. This doesn't cause any functional issues because no further planning takes place that depends on this being correct, but this could be confusing to end users when viewing query plans. Also, in the future we may want to further optimize the plan during execution and this would require the output partitioning to be reported accurately.
   
   **Describe the solution you'd like**
   Populate the output partitioning in `UnresolvedShuffleExec` and `ShuffleReaderExec` and implement the associated serde code.
   
   **Describe alternatives you've considered**
   None
   
   **Additional context**
   None
   


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