[jira] Commented: (HIVE-1856) Implement DROP TABLE/VIEW ... IF EXISTS

["John Sichi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-1856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973809#action_12973809 ] 

John Sichi commented on HIVE-1856:
----------------------------------

+1.  Will commit when tests pass.

Note for next time:  for patch updates, our convention is to number them like HIVE-1856.1.patch, HIVE-1856.2.patch, etc.  And then click the "Submit Patch" button again when a new one is uploaded; this makes sure it gets back into the review queue.


> Implement DROP TABLE/VIEW ... IF EXISTS 
> ----------------------------------------
>
>                 Key: HIVE-1856
>                 URL: https://issues.apache.org/jira/browse/HIVE-1856
>             Project: Hive
>          Issue Type: New Feature
>    Affects Versions: 0.7.0
>            Reporter: Marcel Kornacker
>            Assignee: Marcel Kornacker
>         Attachments: hive-1856.patch, hive-1856.patch
>
>
> This issue combines issues HIVE-1550/1165/1542/1551:
> - augment DROP TABLE/VIEW with IF EXISTS
> - signal an error if the table/view doesn't exist and IF EXISTS wasn't specified
> - introduce a flag in the configuration that allows you to turn off the new behavior

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