;;;; FILE IDENTIFICATION
;;;;
;;;; Name: odbc-sql.cl
-;;;; Purpose: Low-level interface for CLSQL ODBC backend
+;;;; Purpose: Medium-level interface for CLSQL ODBC backend
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: odbc-sql.lisp 8983 2004-04-12 21:16:48Z kevin $
+;;;; $Id$
;;;;
;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(defmethod database-name-from-spec (connection-spec
(database-type (eql :odbc)))
- (check-connection-spec connection-spec database-type (dsn user password))
- (destructuring-bind (dsn user password) connection-spec
- (declare (ignore password))
+ (check-connection-spec connection-spec database-type (dsn user password &key connection-string completion window-handle))
+ (destructuring-bind (dsn user password &key connection-string completion window-handle) connection-spec
+ (declare (ignore password connection-string completion window-handle))
(concatenate 'string dsn "/" user)))
(defmethod database-connect (connection-spec (database-type (eql :odbc)))
- (check-connection-spec connection-spec database-type (dsn user password))
- (destructuring-bind (dsn user password) connection-spec
+ (check-connection-spec connection-spec database-type (dsn user password &key connection-string completion window-handle))
+ (destructuring-bind (dsn user password &key connection-string (completion :no-prompt) window-handle) connection-spec
(handler-case
(let ((db (make-instance 'odbc-database
:name (database-name-from-spec connection-spec :odbc)
:odbc-conn
(odbc-dbi:connect :user user
:password password
- :data-source-name dsn))))
+ :data-source-name dsn
+ :connection-string connection-string
+ :completion completion
+ :window-handle window-handle))))
(store-type-of-connected-database db)
+ ;; Ensure this database type is initialized so can check capabilities of
+ ;; underlying database
+ (initialize-database-type :database-type database-type)
db)
+ #+ignore
(error () ;; Init or Connect failed
(error 'sql-connection-error
:database-type database-type
(cond
((or (search "postgresql" server-name :test #'char-equal)
(search "postgresql" dbms-name :test #'char-equal))
+ (unless (find-package 'clsql-postgresql)
+ (ignore-errors (asdf:operate 'asdf:load-op 'clsql-postgresql-socket)))
:postgresql)
+ ((or (search "Microsoft SQL Server" server-name :test #'char-equal)
+ (search "Microsoft SQL Server" dbms-name :test #'char-equal))
+ :mssql)
((or (search "mysql" server-name :test #'char-equal)
(search "mysql" dbms-name :test #'char-equal))
+ (unless (find-package 'clsql-mysql)
+ ;; ignore errors on platforms where the shared libraries are not available
+ (ignore-errors (asdf:operate 'asdf:load-op 'clsql-mysql)))
:mysql)
((or (search "oracle" server-name :test #'char-equal)
(search "oracle" dbms-name :test #'char-equal))
-
-;;; 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 odbc-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 odbc-database))
- (database-execute-command
- (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name))
- database))
-
-(defmethod database-list-sequences ((database odbc-database)
- &key (owner nil))
- (declare (ignore owner))
- ;; FIXME: Underlying database backend stuff should come from that backend
-
- (case (database-odbc-db-type database)
- (:mysql
- (mapcan #'(lambda (s)
- (let ((sn (%table-name-to-sequence-name (car s))))
- (and sn (list sn))))
- (database-query "SHOW TABLES" database nil nil)))
- ((:postgresql :postgresql-socket)
- (mapcar #'(lambda (s) (%table-name-to-sequence-name (car s)))
- (database-query "SELECT RELNAME FROM pg_class WHERE RELNAME LIKE '%clsql_seq%'"
- database nil nil)))))
-
-
-(defmethod database-set-sequence-position (sequence-name
- (position integer)
- (database odbc-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 odbc-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 nil))))
- (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 odbc-database))
- (without-interrupts
- (caar (database-query
- (concatenate 'string "SELECT last_value FROM "
- (%sequence-name-to-table sequence-name))
- database :auto nil))))
-
(defmethod database-create (connection-spec (type (eql :odbc)))
(declare (ignore connection-spec))
(warn "Not implemented."))
((null loop-rows) (nreverse results))
(let* ((row (car loop-rows))
(col (nth 5 row)))
- (unless (find col results :test #'string-equal)
+ (unless (or (null col) (find col results :test #'string-equal))
(push col results))))))
;;; Database capabilities