[GitHub] [kylin] hit-lacus commented on a change in pull request #1618: KYLIN-4945 Repartition encoded dataset to avoid data skew caused by a single column

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

hit-lacus commented on a change in pull request #1618:
URL: https://github.com/apache/kylin/pull/1618#discussion_r603276252



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File path: kylin-spark-project/kylin-spark-engine/src/main/scala/org/apache/kylin/engine/spark/builder/CubeTableEncoder.scala
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@@ -27,7 +27,7 @@ import org.apache.spark.internal.Logging
 import org.apache.spark.sql.KylinFunctions._
 import org.apache.spark.sql.functions.{col, _}
 import org.apache.spark.sql.types.StringType
-import org.apache.spark.sql.{Dataset, Row}
+import org.apache.spark.sql.{Dataset, Row, functions}

Review comment:
       Do we have to import `org.apache.spark.sql.functions` ?




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