srowen commented on pull request #27805:
URL: https://github.com/apache/spark/pull/27805#issuecomment-637541432


   If it's limited to dividing say 24 hours by 12 hours, how useful is it?
   I'm not seeing an argument that other SQL DBs allow this.
   If this is only meant to work on intervals of type like "24 hours" then 
isn't `date_part` sufficient to extract the interval exactly?


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