skambha commented on issue #27627: [WIP][SPARK-28067][SQL] Fix incorrect 
results for decimal aggregate sum by returning null on decimal overflow
URL: https://github.com/apache/spark/pull/27627#issuecomment-591191022
 
 
   >@skambha Should we review #27629 instead of this PR?
   
   Thanks for checking. I was hoping to get some feedback on the preferred 
approach on the JIRA. So in the meantime, I have these 2 pr open.   The other 
PR throws exception if there is overflow. This pr is to honor the ansi 
flag/null behavior and follows the approach in SPARK-28224.   Once we make a 
decision I can close one out.  

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