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https://issues.apache.org/jira/browse/HIVE-2090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13020125#comment-13020125
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David Reiss commented on HIVE-2090:
-----------------------------------
Jumping in here with minimal context. This looks safe. See section 5
(specifically 5.3) of the original Thrift whitepaper. If the parameter is
missing on the wire (because the client has not been updated), the server will
see the default value (false in C++/Java, None/null in Python/PHP).
We explicitly disallow the optional keyword in argument lists, because people
thought it would allow them to continue writing drop_database("foo", true) even
after updating their generated code, which is not the case. When clients pull
in this update, they will need to update their call sites.
> Add "DROP DATABASE ... FORCE"
> -----------------------------
>
> Key: HIVE-2090
> URL: https://issues.apache.org/jira/browse/HIVE-2090
> Project: Hive
> Issue Type: New Feature
> Components: Metastore
> Reporter: Siying Dong
> Assignee: Siying Dong
> Priority: Minor
> Attachments: HIVE-2090.1.patch, HIVE-2090.2.patch, HIVE-2090.3.patch,
> HIVE-2090.4.patch, HIVE-2090.5.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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