[GitHub] [spark] yaooqinn opened a new pull request #26347: [SPARK-29688][SQL] Support average for interval type values

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

yaooqinn opened a new pull request #26347: [SPARK-29688][SQL] Support average for interval type values
URL: https://github.com/apache/spark/pull/26347
 
 
   ### What changes were proposed in this pull request?
   
   avg aggregate support interval type values
   
   
   ### Why are the changes needed?
   <!--
   Please clarify why the changes are needed. For instance,
     1. If you propose a new API, clarify the use case for a new API.
     2. If you fix a bug, you can clarify why it is a bug.
   -->
   
   Part of SPARK-27764 Feature Parity between PostgreSQL and Spark
   
   
   ### Does this PR introduce any user-facing change?
   
   yes, we can do avg on intervals
   
   ### How was this patch tested?
   
   add ut
   

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