ulysses-you opened a new pull request #25464: [SPARK-28746][SQL] Add 
partitionby hint  for sql queries
URL: https://github.com/apache/spark/pull/25464
   ## What changes were proposed in this pull request?
   Now, `RepartitionByExpression` is allowed at Dataset method 
`Dataset.repartition()`. But in spark sql,  we do not have an equivalent 
   In hive, we can use `distribute by`, so it's worth to add a hint to support 
such function.
   Similar jira [SPARK-24940](https://issues.apache.org/jira/browse/SPARK-24940)
   ## How was this patch tested?

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