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Posted to reviews@spark.apache.org by liancheng <gi...@git.apache.org> on 2018/01/10 07:07:44 UTC

[GitHub] spark pull request #20174: [SPARK-22951][SQL] fix aggregation after dropDupl...

Github user liancheng commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20174#discussion_r160602821
  
    --- Diff: sql/core/src/test/scala/org/apache/spark/sql/DataFrameAggregateSuite.scala ---
    @@ -19,6 +19,8 @@ package org.apache.spark.sql
     
     import scala.util.Random
     
    +import org.apache.spark.sql.catalyst.expressions.Literal
    +import org.apache.spark.sql.catalyst.expressions.aggregate.Percentile
    --- End diff --
    
    Remove unused imports?


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