+ (setf (slot-value database 'clsql-sys::state) :closed))))))
+
+;;; Database capabilities
+
+(defmethod db-type-use-column-on-drop-index? ((db-type (eql :mysql)))
+ t)
+
+(defmethod db-type-has-views? ((db-type (eql :mysql)))
+ ;; MySQL 4.1 will apparently have views, need to check *mysql-client-info*
+ nil)
+
+(defmethod db-type-has-subqueries? ((db-type (eql :mysql)))
+ ;; MySQL 4.1 will apparently have subqueries, need to check *mysql-client-info*
+ nil)
+
+(defmethod db-type-has-boolean-where? ((db-type (eql :mysql)))
+ nil)
+
+(defmethod db-type-has-union? ((db-type (eql :mysql)))
+ (not (eql (schar mysql::*mysql-client-info* 0) #\3)))
+
+(defmethod db-type-transaction-capable? ((db-type (eql :mysql)) database)
+ (let ((tuple (car (database-query "SHOW VARIABLES LIKE 'HAVE_INNODB'" database :auto nil))))
+ (and tuple (string-equal "YES" (second tuple)))))