;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
;;;; *************************************************************************
-(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
-(in-package :clsql-aodbc)
-
+(in-package #:clsql-aodbc)
;; interface foreign library loading routines
-(defmethod clsql-base-sys:database-type-library-loaded ((database-type (eql :aodbc)))
+(defmethod clsql-base:database-type-library-loaded ((database-type (eql :aodbc)))
"T if foreign library was able to be loaded successfully. "
(when (find-package :dbi) ;; finds Allegro's DBI (AODBC) package
t))
-(defmethod clsql-base-sys:database-type-load-foreign ((databae-type (eql :aodbc)))
+(defmethod clsql-base:database-type-load-foreign ((databae-type (eql :aodbc)))
t)
(when (find-package :dbi)
- (clsql-base-sys:database-type-load-foreign :aodbc))
+ (clsql-base:database-type-load-foreign :aodbc))
(defmethod database-initialize-database-type ((database-type (eql :aodbc)))
t)
;; AODBC interface
(defclass aodbc-database (database)
- ((aodbc-conn :accessor database-aodbc-conn :initarg :aodbc-conn)))
+ ((aodbc-conn :accessor database-aodbc-conn :initarg :aodbc-conn)
+ (aodbc-db-type :accessor database-aodbc-db-type :initform :unknown)))
(defmethod database-name-from-spec (connection-spec
(database-type (eql :aodbc)))
(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
(setf (database-aodbc-conn database) nil)
t)
-(defmethod database-query (query-expression (database aodbc-database) types)
+(defmethod database-query (query-expression (database aodbc-database) result-types field-names)
#+aodbc-v2
(handler-case
(dbi:sql query-expression :db (database-aodbc-conn database)
- :types types)
+ :types result-types
+ :column-names field-names)
+ (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
(types nil :type cons)
(full-set nil :type boolean))
-(defmethod database-query-result-set (query-expression (database aodbc-database)
- &key full-set types)
+(defmethod database-query-result-set ((query-expression string)
+ (database aodbc-database)
+ &key full-set result-types)
#+aodbc-v2
(handler-case
(multiple-value-bind (query column-names)
:row-count nil
:column-names t
:query t
- :types types
+ :types result-types
)
(values
(make-aodbc-result-set :query query :full-set full-set
- :types types)
+ :types result-types)
(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
(setf (car rest) elem))
list))))
-#+ignore
-(when (clsql-base-sys:database-type-library-loaded :aodbc)
- (clsql-base-sys:initialize-database-type :database-type :aodbc))
+;;; Sequence functions
+
+(defun %sequence-name-to-table (sequence-name)
+ (concatenate 'string "_CLSQL_SEQ_" (sql-escape sequence-name)))
+
+(defun %table-name-to-sequence-name (table-name)
+ (and (>= (length table-name) 11)
+ (string-equal (subseq table-name 0 11) "_CLSQL_SEQ_")
+ (subseq table-name 11)))
+
+(defmethod database-create-sequence (sequence-name
+ (database aodbc-database))
+ (let ((table-name (%sequence-name-to-table sequence-name)))
+ (database-execute-command
+ (concatenate 'string "CREATE TABLE " table-name
+ " (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 (1,1,1,'f')")
+ database)))
+
+(defmethod database-drop-sequence (sequence-name
+ (database aodbc-database))
+ (database-execute-command
+ (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name))
+ database))
+
+(defmethod database-list-sequences ((database aodbc-database)
+ &key (owner nil))
+ (declare (ignore owner))
+ (warn "database-list-sequences not implemented for AODBC.")
+ 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-views ((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 "VIEW" (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-list-indexes ((database aodbc-database)
+ &key (owner nil))
+ (warn "database-list-indexes not implemented for AODBC.")
+ nil)
+
+(defmethod database-set-sequence-position (sequence-name
+ (position integer)
+ (database aodbc-database))
+ (database-execute-command
+ (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))
+ (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))
+ (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-destroy (connection-spec (type (eql :aodbc)))
+ (warn "Not implemented."))
+
+(defmethod database-probe (connection-spec (type (eql :aodbc)))
+ (warn "Not implemented."))
+
+;;; Backend capabilities
+
+(defmethod database-underlying-type ((database aodbc-database))
+ (database-aodbc-db-type database))
+
+(defmethod db-backend-has-create/destroy-db? ((db-type (eql :aodbc)))
+ nil)
+
+(defmethod database-initialize-database-type ((database-type (eql :aodbc)))
+ t)
+
+(when (clsql-base:database-type-library-loaded :aodbc)
+ (clsql-base:initialize-database-type :database-type :aodbc))
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