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https://issues.apache.org/jira/browse/FLINK-15841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17029628#comment-17029628
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Aljoscha Krettek commented on FLINK-15841:
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Which tests are failing? I will try and take a look.
I think failing tests would indicate that we shouldn't change the behaviour
now, even though it's wrong according to the Javadoc. Mostly because of what I
mentioned above about things having been like this for so long.
> TimeWindow.intersects return true for consecutive windows
> ---------------------------------------------------------
>
> Key: FLINK-15841
> URL: https://issues.apache.org/jira/browse/FLINK-15841
> Project: Flink
> Issue Type: Bug
> Components: API / DataStream
> Reporter: Jörn Kottmann
> Assignee: Jörn Kottmann
> Priority: Trivial
>
> The TimeWindow JavaDoc explains that the start index is inclusive and the end
> index is exclusive, therefore two windows T0 to T1 and T1 to T2 are next to
> each other without overlapping.
> To fix this the intersects comparison should be changed to: {{this.start <
> other.end && this.end > other.start}}
> Also a test should be added to verify the methods works correctly.
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