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https://issues.apache.org/jira/browse/FLINK-3567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15179596#comment-15179596
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ASF GitHub Bot commented on FLINK-3567:
---------------------------------------
GitHub user fhueske opened a pull request:
https://github.com/apache/flink/pull/1761
[FLINK-3567] Fix selection on grouping. Only grouping keys or aggregates
allowed.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/fhueske/flink tableGrouping
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/1761.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1761
----
commit 3665f3c5c4dd7681f01d1df7d0e126d932bc893e
Author: Fabian Hueske <fhue...@apache.org>
Date: 2016-03-04T08:51:19Z
[FLINK-3567] Fix selection on grouping. Only grouping keys or aggregates
allowed.
----
> 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
> Assignee: Fabian Hueske
>
> {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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