[jira] [Assigned] (KYLIN-3580) CuboidStatsUtil#complementRowCountForMandatoryCuboids uses entrySet to add elements

["Lijun Cao (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KYLIN-3580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lijun Cao reassigned KYLIN-3580:
--------------------------------

    Assignee: Lijun Cao

> CuboidStatsUtil#complementRowCountForMandatoryCuboids uses entrySet to add elements
> -----------------------------------------------------------------------------------
>
>                 Key: KYLIN-3580
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3580
>             Project: Kylin
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Lijun Cao
>            Priority: Major
>
> Here is related code:
> {code}
>         sortedStatsSet.addAll(statistics.entrySet());
> {code}
> The entrySet() method is allowed to return a view of the underlying Map in which a single Entry object is reused and returned during the iteration.
> When iterating through such a Map, the Entry value is only valid until you advance to the next iteration.



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