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Reynold Xin resolved SPARK-15780. --------------------------------- Resolution: Fixed Assignee: Koert Kuipers Fix Version/s: 2.1.0 > Support mapValues on KeyValueGroupedDataset > ------------------------------------------- > > Key: SPARK-15780 > URL: https://issues.apache.org/jira/browse/SPARK-15780 > Project: Spark > Issue Type: Sub-task > Components: SQL > Reporter: koert kuipers > Assignee: Koert Kuipers > Priority: Minor > Fix For: 2.1.0 > > > Currently when doing groupByKey on a Dataset the key ends up in the values > which can be clumsy: > {noformat} > val ds: Dataset[(K, V)] = ... > val grouped: KeyValueGroupedDataset[(K, (K, V))] = ds.groupByKey(_._1) > {noformat} > With mapValues one can create something more similar to PairRDDFunctions[K, > V]: > {noformat} > val ds: Dataset[(K, V)] = ... > val grouped: KeyValueGroupedDataset[(K, V)] = > ds.groupByKey(_._1).mapValues(_._2) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org