GitHub user gatorsmile opened a pull request:
https://github.com/apache/spark/pull/11962
[SPARK-14161] [SQL] Native Parsing for DDL Comand Drop Database
#### What changes were proposed in this pull request?
Based on the Hive DDL document
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL
The syntax of DDL command for Drop Database is
```SQL
DROP (DATABASE|SCHEMA) [IF EXISTS] database_name [RESTRICT|CASCADE];
```
This PR is to provide a native parsing support for `DROP DATABASE`.
#### How was this patch tested?
Added a test case `DDLCommandSuite`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gatorsmile/spark parseDropDatabase
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11962.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #11962
----
commit 8f20e5ad4798170154385edcd7a54456ff8c3148
Author: gatorsmile <[email protected]>
Date: 2016-03-25T18:21:24Z
native DDL parsing for Drop Database
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