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Posted to issues@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2014/10/27 17:45:35 UTC

[jira] [Commented] (FLINK-1186) Join key selection for nested Tuples is broken

    [ https://issues.apache.org/jira/browse/FLINK-1186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14185360#comment-14185360 ] 

Robert Metzger commented on FLINK-1186:
---------------------------------------

I'm trying to look into the issue in the next few days. (But I'm not assigning it to myself since I can not guarantee that I have enough time)

> Join key selection for nested Tuples is broken
> ----------------------------------------------
>
>                 Key: FLINK-1186
>                 URL: https://issues.apache.org/jira/browse/FLINK-1186
>             Project: Flink
>          Issue Type: Bug
>          Components: Java API
>    Affects Versions: 0.7-incubating
>         Environment: LocalExecutionEnvironment
>            Reporter: Robert Waury
>            Priority: Minor
>         Attachments: KeySelectionBug.java
>
>
> When using strings to select join keys of nested tuples (e.g. "f0.f1") an incorrect join key is chosen and the operator produces an erroneous result.
> The join works fine when using KeySelectors.
> I will attach a program to reproduce the bug.



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