Github user hvanhovell commented on a diff in the pull request: https://github.com/apache/spark/pull/14136#discussion_r70243206 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala --- @@ -536,6 +536,25 @@ object functions { def min(columnName: String): Column = min(Column(columnName)) /** + * Aggregate function: returns the exact percentile(s) of the expression in a group at pc with + * range in [0, 1]. + * + * @group agg_funcs + * @since 2.1.0 + */ + def percentile(e: Column, pc: Seq[Double]): Column = + withAggregateFunction {Percentile(e.expr, pc)} --- End diff -- Style: match the other code, e.g.: `def min(e: Column): Column = withAggregateFunction { Min(e.expr) }`
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