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Date: Tue, 5 Apr 2011 02:38:05 +0000 (UTC)
From: "Carl Steinbach (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Commented] (HIVE-2090) Add "DROP DATABASE ... FORCE"
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    [ https://issues.apache.org/jira/browse/HIVE-2090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13015730#comment-13015730 ] 

Carl Steinbach commented on HIVE-2090:
--------------------------------------

Is the purpose of this ticket to make "DROP DATABASE x FORCE" behave like the ANSI version of "DROP DATABASE x", e.g. delete x along with any tables in x? As I recall the reason that DROP DATABASE does not currently adhere to ANSI semantics is that we were worried about providing in the absence of a working authorization system. Now that the authorization system exists, it seems like "DROP DATABASE x FORCE" should be the default behavior, and the current behavior should be something that you can enable via a configuration parameter, e.g. hive.exec.drop.ignorenonempty=false.

Also, I the change to DDLTask.dropDatabase() introduces concurrency problems since you're not operating in a transaction.


> Add "DROP DATABASE ... FORCE"
> -----------------------------
>
>                 Key: HIVE-2090
>                 URL: https://issues.apache.org/jira/browse/HIVE-2090
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Siying Dong
>            Assignee: Siying Dong
>            Priority: Minor
>         Attachments: HIVE-2090.1.patch
>
>
> A "DROP DATABASE ... FORCE" will be useful, when we use a database for isolation when doing some tests. Being able to force cleaning up the database will make test cleaning up easier.

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