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https://issues.apache.org/jira/browse/HIVE-7550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14276248#comment-14276248
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Lefty Leverenz commented on HIVE-7550:
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Should this be documented in the wiki, or is it behind-the-scenes?
* [hive.cache.expr.evaluation |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.cache.expr.evaluation]
> Extend cached evaluation to multiple expressions
> ------------------------------------------------
>
> Key: HIVE-7550
> URL: https://issues.apache.org/jira/browse/HIVE-7550
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Fix For: 0.15.0
>
> Attachments: HIVE-7550.1.patch.txt, HIVE-7550.2.patch.txt
>
>
> Currently, hive.cache.expr.evaluation caches per expression. But cache
> context might be shared for multiple expressions.
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