kylin-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "liyang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KYLIN-2974) zero joint group can lead to query error
Date Sun, 03 Dec 2017 06:22:01 GMT

     [ https://issues.apache.org/jira/browse/KYLIN-2974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

liyang updated KYLIN-2974:
--------------------------
    Summary: zero joint group can lead to query error  (was: joint group is Null lead to query
error)

> zero joint group can lead to query error
> ----------------------------------------
>
>                 Key: KYLIN-2974
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2974
>             Project: Kylin
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: v2.1.0
>            Reporter: Yang Hao
>            Assignee: Yang Hao
>         Attachments: KYLIN-2974.patch
>
>
> When query a sql, it turns to find all possible aggregation group. But it may cause error
when the joint group is empty. Relevant code is
> {code:java}
> cuboidID = cuboidID | Collections.min(agg.getJoints(), cuboidSelectComparator);
> {code}
> In our env, when we have multiple aggregation groups, it may trigger the error



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

Mime
View raw message