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Posted to issues@hive.apache.org by "Karen Coppage (Jira)" <ji...@apache.org> on 2020/05/18 17:01:00 UTC

[jira] [Updated] (HIVE-23492) Remove unnecessary FileSystem#exists calls from ql module

     [ https://issues.apache.org/jira/browse/HIVE-23492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karen Coppage updated HIVE-23492:
---------------------------------
    Attachment: HIVE-23492.01.patch
        Status: Patch Available  (was: Open)

> Remove unnecessary FileSystem#exists calls from ql module
> ---------------------------------------------------------
>
>                 Key: HIVE-23492
>                 URL: https://issues.apache.org/jira/browse/HIVE-23492
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Karen Coppage
>            Assignee: Karen Coppage
>            Priority: Major
>         Attachments: HIVE-23492.01.patch
>
>
> Wherever there is an exists() call before open() or delete(), remove it and infer from the FileNotFoundException raised in open/delete that the file does not exist. Exists() just checks for a FileNotFoundException so it's a waste of time, especially on clunkier FSes



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