(handler-case
(make-instance 'aodbc-database
:name (database-name-from-spec connection-spec :aodbc)
+ :database-type :aodbc
:aodbc-conn
(dbi:connect :user user
:password password
:data-source-name dsn))
+ (clsql-error (e)
+ (error e))
(error () ;; Init or Connect failed
(error 'clsql-connect-error
:database-type database-type
(handler-case
(dbi:sql query-expression :db (database-aodbc-conn database)
:types result-types)
+ (clsql-error (e)
+ (error e))
(error ()
(error 'clsql-sql-error
:database database
#+aodbc-v2
(handler-case
(dbi:sql sql-expression :db (database-aodbc-conn database))
+ (clsql-error (e)
+ (error e))
(error ()
(error 'clsql-sql-error
:database database
(length column-names)
nil ;; not able to return number of rows with aodbc
))
+ (clsql-error (e)
+ (error e))
(error ()
(error 'clsql-sql-error
:database database
(let ((table-name (%sequence-name-to-table sequence-name)))
(database-execute-command
(concatenate 'string "CREATE TABLE " table-name
- " (id int NOT NULL PRIMARY KEY AUTO_INCREMENT)")
+ " (last_value int NOT NULL PRIMARY KEY, increment_by int, min_value int, is_called char(1))")
database)
(database-execute-command
(concatenate 'string "INSERT INTO " table-name
- " VALUES (0)")
+ " VALUES (1,1,1,'f')")
database)))
(defmethod database-drop-sequence (sequence-name
(database-query "SHOW TABLES LIKE '%clsql_seq%'"
database nil)))
+(defmethod database-list-tables ((database aodbc-database)
+ &key (owner nil))
+ (declare (ignore owner))
+ #+aodbc-v2
+ (multiple-value-bind (rows col-names)
+ (dbi:list-all-database-tables :db (database-aodbc-conn database))
+ (declare (ignore col-names))
+ ;; TABLE_SCHEM is hard-coded in second column by ODBC Driver Manager
+ ;; TABLE_NAME in third column, TABLE_TYPE in fourth column
+ (loop for row in rows
+ when (and (not (string-equal "information_schema" (nth 1 row)))
+ (string-equal "TABLE" (nth 3 row)))
+ collect (nth 2 row))))
+
+(defmethod database-list-attributes ((table string) (database aodbc-database)
+ &key (owner nil))
+ (declare (ignore owner))
+ #+aodbc-v2
+ (multiple-value-bind (rows col-names)
+ (dbi:list-all-table-columns table :db (database-aodbc-conn database))
+ (let ((pos (position "COLUMN_NAME" col-names :test #'string-equal)))
+ (when pos
+ (loop for row in rows
+ collect (nth pos row))))))
+
+(defmethod database-attribute-type ((attribute string) (table string) (database aodbc-database)
+ &key (owner nil))
+ (declare (ignore owner))
+ #+aodbc-v2
+ (multiple-value-bind (rows col-names)
+ (dbi:list-all-table-columns table :db (database-aodbc-conn database))
+ (let ((pos (position "TYPE_NAME" col-names :test #'string-equal)))
+ (when pos
+ (loop for row in rows
+ collect (nth pos row))))))
+
(defmethod database-set-sequence-position (sequence-name
(position integer)
(database aodbc-database))
(database-execute-command
- (format nil "UPDATE ~A SET id=~A" (%sequence-name-to-table sequence-name)
+ (format nil "UPDATE ~A SET last_value=~A,is_called='t'"
+ (%sequence-name-to-table sequence-name)
position)
database)
position)
(defmethod database-sequence-next (sequence-name (database aodbc-database))
- (warn "Not implemented."))
-
+ (without-interrupts
+ (let* ((table-name (%sequence-name-to-table sequence-name))
+ (tuple
+ (car (database-query
+ (concatenate 'string "SELECT last_value,is_called FROM "
+ table-name)
+ database
+ :auto))))
+ (cond
+ ((char-equal (schar (second tuple) 0) #\f)
+ (database-execute-command
+ (format nil "UPDATE ~A SET is_called='t'" table-name)
+ database)
+ (car tuple))
+ (t
+ (let ((new-pos (1+ (car tuple))))
+ (database-execute-command
+ (format nil "UPDATE ~A SET last_value=~D" table-name new-pos)
+ database)
+ new-pos))))))
+
(defmethod database-sequence-last (sequence-name (database aodbc-database))
- (declare (ignore sequence-name)))
+ (without-interrupts
+ (caar (database-query
+ (concatenate 'string "SELECT last_value FROM "
+ (%sequence-name-to-table sequence-name))
+ database
+ :auto))))
(defmethod database-create (connection-spec (type (eql :aodbc)))
(warn "Not implemented."))
(defmethod database-probe (connection-spec (type (eql :aodbc)))
(warn "Not implemented."))
+;;; Backend capabilities
+
+(defmethod db-backend-has-create/destroy-db? ((db-type (eql :aodbc)))
+ nil)
+
#+ignore
(when (clsql-base-sys:database-type-library-loaded :aodbc)
(clsql-base-sys:initialize-database-type :database-type :aodbc))