object DataFrameUtils
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- implicit class UtilsDataFrame extends AnyRef
- implicit class UtilsRow extends AnyRef
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- def getDataFrameTop(df: DataFrame, groupBy: ArrayList[String], topBy: ArrayList[String], partitions: Integer): DataFrame
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- def joinWithHotKeyNull(left: DataFrame, right: DataFrame, key: String, joinType: String, andCondition: Column): DataFrame
- def minByColumns(df: DataFrame, groupBy: String, minBy: ArrayList[ArrayList[String]], maxBy: ArrayList[ArrayList[String]]): DataFrame
- def minByNoneLast[A, B](seq: Seq[A])(f: (A) ⇒ Option[B])(implicit ordering: Ordering[B]): A
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