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From "Himanshu Mishra (Jira)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-22201) ConvertJoinMapJoin#checkShuffleSizeForLargeTable throws ArrayIndexOutOfBoundsException if no big table is selected
Date Fri, 13 Sep 2019 13:59:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-22201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Himanshu Mishra updated HIVE-22201:
-----------------------------------
    Status: Patch Available  (was: Open)

> ConvertJoinMapJoin#checkShuffleSizeForLargeTable throws ArrayIndexOutOfBoundsException
if no big table is selected
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-22201
>                 URL: https://issues.apache.org/jira/browse/HIVE-22201
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Himanshu Mishra
>            Assignee: Himanshu Mishra
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> In case when {{bigTableCandidateSet}} is empty e.g. full outer join, we end up calling
{{checkShuffleSizeForLargeTable}} with {{bigTablePosition}} as -1, resulting in {{ArrayIndexOutOfBoundsException}}.
> Also, should we return as soon as we see {{bigTableCandidateSet}} is empty ?



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