attilapiros commented on pull request #32202:
URL: https://github.com/apache/spark/pull/32202#issuecomment-822018123


   @FatalLin 
   Some more thoughts/question:
   
   1. Why are two configs in Hive for this?
   
   - mapred.input.dir.recursive
   - hive.mapred.supports.subdirectories
   
   2. How does Hive do when only one is true? If there both needed we need to 
check both too!
   
   3. Please update the title: skip the part "when configuration is enable" and 
reword the rest. 
   What about "Supporting non-partitioned Hive tables with subdirectories".
   
   4. Please update the description, too. In "What changes were proposed in 
this pull request?" its enough if you explain the the title a bit more. I 
suggest to use a spell checker to avoid errors like: setted => set, 
configurtions => configuration. 
   Please note the PR description is extremely important as after the PR is 
merged it will be the commit message.
   
   5. At "Does this PR introduce any user-facing change?" elaborate on the 
impact of this change. Remove the "maybe we could add this option in documents 
to notice users for the enhancement." which I think is a good idea and should 
be part of this PR.
   


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