peter-toth commented on PR #54330:
URL: https://github.com/apache/spark/pull/54330#issuecomment-3992842846

   > Also can we add more tests:
   > 
   > * Empty grouped partitions: Plan that yields groupedPartitions.isEmpty 
(ie, partitioned table but no partition values inserted)
   > * Runtime filtering + KeyedPartitioning: Keyed scan with runtime filtering 
and Option[InputPartition] (including None for filtered-out keys); check result 
correctness and that no partition is read for filtered keys.
   > * OrderedDistribution: Require ordering on a keyed scan and assert that a 
single GroupPartitionsExec is inserted with the expected keys.
   > * Multi table joins (looks like there's already tests, but maybe we can 
check the plan shape for the GroupPartitionExec)
   
   Thanks @szehon-ho for taking a look. Let me add some more tests tomorrow.


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