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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-3539) Hybrid segment overlap not cover some case
Date Mon, 10 Sep 2018 08:52:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16608893#comment-16608893
] 

ASF subversion and git services commented on KYLIN-3539:
--------------------------------------------------------

Commit bffaa8a26a2d93b3aa62326484bc31a8717a7c0b in kylin's branch refs/heads/master from chao
long
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=bffaa8a ]

KYLIN-3539 Hybrid segment overlap check


> Hybrid segment overlap not cover some case
> ------------------------------------------
>
>                 Key: KYLIN-3539
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3539
>             Project: Kylin
>          Issue Type: Improvement
>            Reporter: Chao Long
>            Assignee: Chao Long
>            Priority: Major
>             Fix For: v2.5.0
>
>
> now Hybrid uses every cube's latest segment to check whether overlap exists, but it can't
cover all cases.
> example:
> hybrid:
>  cube1:
>  segment1: range(2012-01-01, 2012-01-02)
> cube2:
>  segment1: range(2012-01-01, 2012-01-02)
>  segment2: range(2012-01-03, 2012-01-04)
> this hybrid has overlap segment range(2012-01-01, 2012-01-02), but the program can not
find out.



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