[GitHub] [spark] zhengruifeng commented on pull request #40100: [SPARK-42506][SQL] Fix Sort's maxRowsPerPartition if maxRows does not exist

["zhengruifeng (via GitHub)" <gi...@apache.org>]

zhengruifeng commented on PR #40100:
URL: https://github.com/apache/spark/pull/40100#issuecomment-1437975144

   I'm not sure whether we can use `child.maxRowsPerPartition` in a global sort, for example, the partition sizes maybe [5, 5, 5] in child, but after global sort the distribution maybe [3, 3, 3, 3, 3]
   
   cc @cloud-fan 


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