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From "Hari Sankar Sivarama Subramaniyan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11310) Avoid expensive AST tree conversion to String in RowResolver
Date Wed, 22 Jul 2015 09:09:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14636556#comment-14636556
] 

Hari Sankar Sivarama Subramaniyan commented on HIVE-11310:
----------------------------------------------------------

lgtm +1

> Avoid expensive AST tree conversion to String in RowResolver
> ------------------------------------------------------------
>
>                 Key: HIVE-11310
>                 URL: https://issues.apache.org/jira/browse/HIVE-11310
>             Project: Hive
>          Issue Type: Bug
>          Components: Parser
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-11310.1.patch, HIVE-11310.2.patch, HIVE-11310.3.patch, HIVE-11310.4.patch,
HIVE-11310.patch
>
>
> We use the AST tree String representation of a condition in the WHERE clause to identify
its column in the RowResolver. This can lead to OOM Exceptions when the condition is very
large.



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