Xiao Li created SPARK-14177:
-------------------------------
Summary: Parse DDL command: "DESCRIBE DATABASE" and "ALTER
DATABASE SET DBPROPERTIES"
Key: SPARK-14177
URL: https://issues.apache.org/jira/browse/SPARK-14177
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.0.0
Reporter: Xiao Li
Based on the Hive DDL document
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL
The syntax of DDL command for ALTER DATABASE is
{code}
ALTER (DATABASE|SCHEMA) database_name SET DBPROPERTIES
(property_name=property_value, ...)
{code}
{{ALTER DATABASE}} is to add new (key, value) pairs into DBPROPERTIES
The syntax of DDL command for DESCRIBE DATABASE is
{code}
DESCRIBE DATABASE [EXTENDED] db_name
{code}
{{DESCRIBE DATABASE}} shows the name of the database, its comment (if one has
been set), and its root location on the filesystem. When extended is true, it
also shows the database's properties
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