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Posted to issues@hive.apache.org by "James Petty (Jira)" <ji...@apache.org> on 2022/11/01 21:53:00 UTC
[jira] [Updated] (HIVE-26685) Improve Path name escaping / unescaping performance
[ https://issues.apache.org/jira/browse/HIVE-26685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
James Petty updated HIVE-26685:
-------------------------------
Attachment: HIVE-26685.1.patch
Status: Patch Available (was: Open)
> Improve Path name escaping / unescaping performance
> ---------------------------------------------------
>
> Key: HIVE-26685
> URL: https://issues.apache.org/jira/browse/HIVE-26685
> Project: Hive
> Issue Type: Improvement
> Components: Hive
> Affects Versions: All Versions
> Reporter: James Petty
> Priority: Minor
> Attachments: HIVE-26685.1.patch
>
>
> When escaping / unescaping partition path part names, the existing logic incurs significant avoidable overhead by copying each character sequentially into a new StringBuilder even when no escaping/unescaping is necessary as well as using String.format to escape characters inside of the inner loop.
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