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| author | gatorsmile <gatorsmile@gmail.com> | 2016-03-29 17:39:52 -0700 |
|---|---|---|
| committer | Andrew Or <andrew@databricks.com> | 2016-03-29 17:39:52 -0700 |
| commit | b66b97cd04067e1ec344fa2e28dd91e7ef937af5 (patch) | |
| tree | 0d879872c83765c79e9a3de6483835dd5b7bf6c3 /common/network-common | |
| parent | e1f6845391078726f60e760f0ea68ccf81f9eca9 (diff) | |
| download | spark-b66b97cd04067e1ec344fa2e28dd91e7ef937af5.tar.gz spark-b66b97cd04067e1ec344fa2e28dd91e7ef937af5.tar.bz2 spark-b66b97cd04067e1ec344fa2e28dd91e7ef937af5.zip | |
[SPARK-14124][SQL] Implement Database-related DDL Commands
#### What changes were proposed in this pull request?
This PR is to implement the following four Database-related DDL commands:
- `CREATE DATABASE|SCHEMA [IF NOT EXISTS] database_name`
- `DROP DATABASE [IF EXISTS] database_name [RESTRICT|CASCADE]`
- `DESCRIBE DATABASE [EXTENDED] db_name`
- `ALTER (DATABASE|SCHEMA) database_name SET DBPROPERTIES (property_name=property_value, ...)`
Another PR will be submitted to handle the unsupported commands. In the Database-related DDL commands, we will issue an error exception for `ALTER (DATABASE|SCHEMA) database_name SET OWNER [USER|ROLE] user_or_role`.
cc yhuai andrewor14 rxin Could you review the changes? Is it in the right direction? Thanks!
#### How was this patch tested?
Added a few test cases in `command/DDLSuite.scala` for testing DDL command execution in `SQLContext`. Since `HiveContext` also shares the same implementation, the existing test cases in `\hive` also verifies the correctness of these commands.
Author: gatorsmile <gatorsmile@gmail.com>
Author: xiaoli <lixiao1983@gmail.com>
Author: Xiao Li <xiaoli@Xiaos-MacBook-Pro.local>
Closes #12009 from gatorsmile/dbDDL.
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