[GitHub] [arrow-datafusion] rdettai commented on issue #612: Illegal projection on empty columns

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

rdettai commented on issue #612:
URL: https://github.com/apache/arrow-datafusion/issues/612#issuecomment-867008993


   Locally, I have a test that has nothing to do with this change that is failing:
   - physical_plan::repartition::tests::repartition_with_dropping_output_stream
   
   ```
   ---- physical_plan::repartition::tests::repartition_with_dropping_output_stream stdout ----
   Running case RoundRobinBatch(2)
   BarrierExec::wait waiting on barrier
   Partition 0 waiting on barrier
   Partition 1 waiting on barrier
   Partition 1 sending batch
   Partition 1 sending batch
   Partition 0 sending batch
   Partition 0 sending batch
   BarrierExec::wait done waiting
   Running case Hash([Column { name: "my_awesome_field", index: 0 }], 2)
   BarrierExec::wait waiting on barrier
   Partition 0 waiting on barrier
   Partition 1 waiting on barrier
   Partition 1 sending batch
   Partition 1 sending batch
   Partition 0 sending batch
   Partition 0 sending batch
   BarrierExec::wait done waiting
   thread 'physical_plan::repartition::tests::repartition_with_dropping_output_stream' panicked at 'assertion failed: `(left == right)`
     left: `["+------------------+", "| my_awesome_field |", "+------------------+", "| frob             |", "+------------------+"]`,
    right: `["+------------------+", "| my_awesome_field |", "+------------------+", "| foo              |", "| frob             |", "| gar              |", "| gaz              |", "| goo              |", "| grob             |", "+------------------+"]`: 
   
   expected:
   
   [
       "+------------------+",
       "| my_awesome_field |",
       "+------------------+",
       "| frob             |",
       "+------------------+",
   ]
   actual:
   
   [
       "+------------------+",
       "| my_awesome_field |",
       "+------------------+",
       "| foo              |",
       "| frob             |",
       "| gar              |",
       "| gaz              |",
       "| goo              |",
       "| grob             |",
       "+------------------+",
   ]
   
   ', datafusion/src/physical_plan/repartition.rs:799:13
   ```
   
   Any idea why that might be @alamb ?


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