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https://issues.apache.org/jira/browse/HIVE-11813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez updated HIVE-11813:
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Attachment: HIVE-11813.01.patch
> Avoid expensive AST tree conversion to String for expressions in WHERE clause
> in CBO
> ------------------------------------------------------------------------------------
>
> Key: HIVE-11813
> URL: https://issues.apache.org/jira/browse/HIVE-11813
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Affects Versions: 2.0.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-11813.01.patch, HIVE-11813.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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