ganeshashree commented on PR #59828:
URL: https://github.com/apache/spark/pull/59828#issuecomment-6571175139

   Thanks for the review. On the two decision challenges:
   
   - **CREATE FUNCTION and a same-named temporary function:** kept the 
name-based check, so nested bodies follow the same rule as flat calls. That 
check is too strict for every function (on master, a temporary `abs` already 
blocks `RETURN abs(-1)`), so it is tracked in SPARK-60806. SPARK-60805 covers 
bodies that call qualified functions.
   - **Shadowing nested clause-free calls:** intended, for consistency with 
flat calls. The JSON_ARRAY and JSON_OBJECT pages now document it and how to 
keep the built-in.
   
   PR description updated.
   


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