naan31 commented on PR #56138:
URL: https://github.com/apache/spark/pull/56138#issuecomment-4552849628

   @srielau - I've added a regression test for issue #55392 as you requested.
   
   **What the test does:**
   The test verifies that named parameters like `:x` work correctly in 
`spark.sql()` 
   when provided in the args dict, WITHOUT needing the legacy parameter 
substitution config.
   
   **Test cases:**
   1. Single parameter: `spark.sql("SELECT :x", args=Map("x" -> 1))` returns 
`Row(1)`
   2. Multiple parameters: `spark.sql("SELECT :x, :y", args=Map("x" -> 1, "y" 
-> 2))` returns `Row(1, 2)`
   
   **Why this matters:**
   This reproduces the exact issue from #55392 where PySpark 4.1.1 incorrectly 
rejected 
   these named parameters even though they were provided in the args.
   
   **Environment:**
   - OS: macOS
   - Java version: openjdk version "17.0.17" 2025-10-21
   - Scala: 2.13.x
   
   The test is now ready for the CI/CD pipeline to validate. If it passes, it 
proves 
   the regression exists and your fix resolves it. If it fails, it will help us 
   understand why the issue cannot be reproduced.


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