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From dongjoon-hyun <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-15282][SQL] Make ScalaUDF nondeterminis...
Date Fri, 20 May 2016 08:33:27 GMT
Github user dongjoon-hyun commented on the pull request:

    https://github.com/apache/spark/pull/13087#issuecomment-220547374
  
    According to @cloud-fan 's advice, the goal of this PR is now making `ScalaUDF` as a non-deterministic
expression. Although this is a correct fix, one noticeable drawback is that we cannot use
ScalaUDF in GROUP BY. I updated the description of this PR, too.


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