<project>
	<change>
		<sqltest exists="true">
			SELECT TABLE_NAME FROM USER_TABLES WHERE TABLE_NAME = 'CUSTOMER'
		</sqltest>
		<sqlaction>
			DROP TABLE customer
		</sqlaction>
	</change>
	<change>
		<sqltest exists="false">
			SELECT TABLE_NAME FROM USER_TABLES WHERE TABLE_NAME = 'CUSTOMER'
		</sqltest>
		<sqlaction>
			CREATE TABLE customer (customer_id number(18) ,name VARCHAR2(128)) TABLESPACE ${db.tablespace}
		</sqlaction>
		<sqlaction>
			ALTER TABLE customer ADD CONSTRAINT customer_pk PRIMARY KEY (customer_id) USING INDEX TABLESPACE indexes
		</sqlaction>
	</change>
	<change>
		<sqltest exists="false">
			SELECT COLUMN_NAME FROM USER_TAB_COLUMNS WHERE TABLE_NAME = 'CUSTOMER' AND COLUMN_NAME='LOCATION'
		</sqltest>
		<sqlaction>
			ALTER TABLE customer ADD location VARCHAR2(128)
		</sqlaction>
	</change>
</project>
