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Posted to issues@hive.apache.org by "Sanghyun Yun (JIRA)" <ji...@apache.org> on 2016/11/21 01:28:59 UTC

[jira] [Assigned] (HIVE-8282) Potential null deference in ConvertJoinMapJoin#convertJoinBucketMapJoin()

     [ https://issues.apache.org/jira/browse/HIVE-8282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sanghyun Yun reassigned HIVE-8282:
----------------------------------

    Assignee: Sanghyun Yun

> Potential null deference in ConvertJoinMapJoin#convertJoinBucketMapJoin()
> -------------------------------------------------------------------------
>
>                 Key: HIVE-8282
>                 URL: https://issues.apache.org/jira/browse/HIVE-8282
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.14.0
>            Reporter: Ted Yu
>            Assignee: Sanghyun Yun
>            Priority: Minor
>             Fix For: 2.2.0
>
>         Attachments: HIVE-8282.patch
>
>
> In convertJoinMapJoin():
> {code}
>     for (Operator<? extends OperatorDesc> parentOp : joinOp.getParentOperators()) {
>       if (parentOp instanceof MuxOperator) {
>         return null;
>       }
>     }
> {code}
> NPE would result if convertJoinMapJoin() returns null:
> {code}
>     MapJoinOperator mapJoinOp = convertJoinMapJoin(joinOp, context, bigTablePosition);
>     MapJoinDesc joinDesc = mapJoinOp.getConf();
> {code}



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