[ https://issues.apache.org/jira/browse/FLINK-1408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Fabian Hueske closed FLINK-1408. -------------------------------- Resolution: Invalid Feature is already implemented. > Add group sorting with expression key > ------------------------------------- > > Key: FLINK-1408 > URL: https://issues.apache.org/jira/browse/FLINK-1408 > Project: Flink > Issue Type: Improvement > Components: Java API, Scala API > Affects Versions: 0.9 > Reporter: Fabian Hueske > Priority: Minor > > Currently groups can only be sorted using field indexes (for tuples) and key > selection function. > {{persons.groupBy("name").sortGroup("age", > Order.DESCENDING).groupReduce(do-something-here);}} > Would be good to allow group sorting also with field expressions for Pojos. -- This message was sent by Atlassian JIRA (v6.3.4#6332)