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Neelesh Srinivas Salian closed FLINK-710. ----------------------------------------- Resolution: Duplicate > Aggregate transformation works only with FieldPositionKeys > ---------------------------------------------------------- > > Key: FLINK-710 > URL: https://issues.apache.org/jira/browse/FLINK-710 > Project: Flink > Issue Type: Improvement > Reporter: GitHub Import > Assignee: Márton Balassi > Priority: Trivial > Labels: github-import > > In the new Java API, Aggregate transformations can only be applied to > DataSets that are grouped using field positions and to ungrouped DataSets. > DataSets grouped with KeySelector functions are not supported. > Since Aggregations only work on Tuple DataSets which can be grouped using the > more convenient field positions, this might be OK. > Or should we support KeySelector groupings as well for completeness? > Opinions? > ---------------- Imported from GitHub ---------------- > Url: https://github.com/stratosphere/stratosphere/issues/710 > Created by: [fhueske|https://github.com/fhueske] > Labels: enhancement, java api, question, user satisfaction, > Milestone: Release 0.6 (unplanned) > Created at: Tue Apr 22 14:42:52 CEST 2014 > State: open -- This message was sent by Atlassian JIRA (v6.3.4#6332)