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From "Vikram Dixit K (JIRA)" <>
Subject [jira] [Commented] (HIVE-13282) GroupBy and select operator encounter ArrayIndexOutOfBoundsException
Date Tue, 24 May 2016 19:59:12 GMT


Vikram Dixit K commented on HIVE-13282:

[~mmccline] Can you try the patch I have attached above? I think that is how I was able to
repro the issue. I think with the patch attached here, it produces a result sometimes but
that is wrong (if you switch around the tables, it may even throw an exception).

> GroupBy and select operator encounter ArrayIndexOutOfBoundsException
> --------------------------------------------------------------------
>                 Key: HIVE-13282
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 1.2.1, 2.0.0, 2.1.0
>            Reporter: Vikram Dixit K
>            Assignee: Matt McCline
>         Attachments: smb_fail_issue.patch, smb_groupby.q, smb_groupby.q.out
> The group by and select operators run into the ArrayIndexOutOfBoundsException when they
incorrectly initialize themselves with tag 0 but the incoming tag id is different.
> {code}
> select count(*) from
> (select from
> (select t1.key as id, t1.value as od from tab t1 group by key, value) rt1) vt1
> join
> (select from
> (select t2.key as id, t2.value as od from tab_part t2 group by key, value) rt2) vt2
> where;
> {code}

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