&key (owner nil))
(let ((result '()))
(dolist (table (database-list-tables database :owner owner) result)
- (mapc #'(lambda (index) (push (nth 2 index) result))
- (database-query
- (format nil "SHOW INDEX FROM ~A" (string-upcase table))
- database nil)))))
+ (setq result
+ (append (database-list-table-indexes table database :owner owner)
+ result)))))
+
+(defmethod database-list-table-indexes (table (database mysql-database)
+ &key (owner nil))
+ (declare (ignore owner))
+ (do ((results nil)
+ (rows (database-query
+ (format nil "SHOW INDEX FROM ~A" (string-upcase table))
+ database nil)
+ (cdr rows)))
+ ((null rows) (nreverse results))
+ (let ((col (nth 2 (car rows))))
+ (unless (find col results :test #'string-equal)
+ (push col results)))))
(defmethod database-list-attributes ((table string) (database mysql-database)
&key (owner nil))
t))))
(defmethod database-probe (connection-spec (type (eql :mysql)))
+ (when (find (second connection-spec) (database-list connection-spec type)
+ :key #'car :test #'string-equal)
+ t))
+
+(defmethod database-list (connection-spec (type (eql :mysql)))
(destructuring-bind (host name user password) connection-spec
+ (declare (ignore name))
(let ((database (database-connect (list host "mysql" user password) type)))
(unwind-protect
- (when
- (find name (database-query "select db from db"
- database :auto)
- :key #'car :test #'string-equal)
- t)
- (database-disconnect database)))))
+ (progn
+ (setf (slot-value database 'clsql-base-sys::state) :open)
+ (mapcar #'car (database-query "show databases" database :auto)))
+ (progn
+ (database-disconnect database)
+ (setf (slot-value database 'clsql-base-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-transaction-capable? ((db-type (eql :mysql)) database)
+ (let ((has-innodb (caar (database-query "SHOW VARIABLES LIKE 'HAVE_INNODB'" database :auto))))
+ (and has-innodb (string-equal "YES" has-innodb))))
(when (clsql-base-sys:database-type-library-loaded :mysql)
(clsql-base-sys:initialize-database-type :database-type :mysql))
+