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