anshulbaliga7 commented on PR #58077:
URL: https://github.com/apache/spark/pull/58077#issuecomment-5406353514

   Thanks for the review @cloud-fan , have addressed all five:
   - Reworded the RHS-nullability comment to describe a possible outcome, not 
unconditional
   - Clarified both "scan all result rows" comments to reflect the !hasUnknown 
early-exit that's already in the code
   - Removed the `BinaryType` copy-avoidance rationale for `inputFields` (LHS 
is a `GenericInternalRow` from `CreateNamedStruct`, so .get() doesn't copy)
   - Fixed the reversed null-pad labels in the first test's comment
   - Replaced Parquet-backed tables with VALUES-derived temp views in the 
non-head-nullability test, since Parquet file-source analysis applies 
`dataSchema.asNullable` and was silently defeating the test's nullability 
control
   
   Can you PTAL again? Thanks!


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