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Posted to issues@flink.apache.org by "Timo Walther (JIRA)" <ji...@apache.org> on 2016/03/03 11:41:18 UTC

[jira] [Created] (FLINK-3567) Rework selection when grouping in Table API

Timo Walther created FLINK-3567:
-----------------------------------

             Summary: Rework selection when grouping in Table API
                 Key: FLINK-3567
                 URL: https://issues.apache.org/jira/browse/FLINK-3567
             Project: Flink
          Issue Type: Bug
          Components: Table API
            Reporter: Timo Walther


{code}table.groupBy("a").select("e"){code}
does not throw any exception.

Fabian looked at the implementation of GroupedTable.select() and it looks incorrect. It does not group but just add a selection. Either we should reject the select or select the value an arbitrary row of the group.



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