[GitHub] [spark] HyukjinKwon opened a new pull request #26729: [SPARK-29851][SQL][FOLLOW-UP] Use foreach instead of misusing map

[GitBox <gi...@apache.org>]

HyukjinKwon opened a new pull request #26729: [SPARK-29851][SQL][FOLLOW-UP] Use foreach instead of misusing map
URL: https://github.com/apache/spark/pull/26729
 
 
   ### What changes were proposed in this pull request?
   
   This PR proposes to use foreach instead of misusing map. This could cause some weird errors potentially and it's not a good practice anyway. See also SPARK-16694
   
   ### Why are the changes needed?
   To avoid potential issues like SPARK-16694
   
   ### Does this PR introduce any user-facing change?
   No
   
   
   ### How was this patch tested?
   Existing tests should cover.
   

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