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https://issues.apache.org/jira/browse/HIVE-23124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17088040#comment-17088040
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Peter Vary commented on HIVE-23124:
-----------------------------------
[~belugabehr]: You sold the optional :)
> Review of SQLOperation Class
> ----------------------------
>
> Key: HIVE-23124
> URL: https://issues.apache.org/jira/browse/HIVE-23124
> Project: Hive
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Major
> Attachments: HIVE-23124.1.patch
>
>
> * Use ConcurrentHashMap instead of synchronized methods to improve
> multi-threaded access
> * Use JDK 8 facilities where applicable
> * General cleanup
> * Better log messages and Exception messages
> * Use {{switch}} statement instead of if/else blocks
> * Checkstyle fixes
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