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From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16245) Vectorization: Does not handle non-column key expressions in MERGEPARTIAL mode
Date Fri, 17 Mar 2017 22:25:41 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matt McCline updated HIVE-16245:
--------------------------------
    Status: Patch Available  (was: Open)

> Vectorization: Does not handle non-column key expressions in MERGEPARTIAL mode
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-16245
>                 URL: https://issues.apache.org/jira/browse/HIVE-16245
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-16245.01.patch
>
>
> When the planner is able to make a column a constant, MERGEPARTIAL mode in VectorGroupByOperator
is broken because it doesn't evaluate the key expression.  One result is execution cast exception
errors.



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