;;;; 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
;;;;
((odbc-db-type :accessor database-odbc-db-type)))
(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))
+ (database-type (eql :odbc)))
+ (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)
- :database-type :odbc
- :dbi-package (find-package '#:odbc-dbi)
- :odbc-conn
- (odbc-dbi:connect :user user
- :password password
- :data-source-name dsn))))
- (store-type-of-connected-database db)
- db)
- (error () ;; Init or Connect failed
- (error 'sql-connection-error
- :database-type database-type
- :connection-spec connection-spec
- :message "Connection failed")))))
+ (let ((db (make-instance 'odbc-database
+ :name (database-name-from-spec connection-spec :odbc)
+ :database-type :odbc
+ :dbi-package (find-package '#:odbc-dbi)
+ :odbc-conn
+ (odbc-dbi:connect :user user
+ :password password
+ :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
+ :connection-spec connection-spec
+ :message "Connection failed")))))
(defmethod database-underlying-type ((database odbc-database))
(database-odbc-db-type database))
(defun store-type-of-connected-database (db)
(let* ((odbc-conn (clsql-sys::odbc-conn db))
- (server-name (odbc-dbi::get-odbc-info odbc-conn odbc::$SQL_SERVER_NAME))
- (dbms-name (odbc-dbi::get-odbc-info odbc-conn odbc::$SQL_DBMS_NAME))
- (type
- ;; need SERVER-NAME and DBMS-NAME because many drivers mix this up
- (cond
- ((or (search "postgresql" server-name :test #'char-equal)
- (search "postgresql" dbms-name :test #'char-equal))
- :postgresql)
- ((or (search "mysql" server-name :test #'char-equal)
- (search "mysql" dbms-name :test #'char-equal))
- :mysql)
- ((or (search "oracle" server-name :test #'char-equal)
- (search "oracle" dbms-name :test #'char-equal))
- :oracle))))
+ (server-name (odbc-dbi::get-odbc-info odbc-conn odbc::$SQL_SERVER_NAME))
+ (dbms-name (odbc-dbi::get-odbc-info odbc-conn odbc::$SQL_DBMS_NAME))
+ (type
+ ;; need SERVER-NAME and DBMS-NAME because many drivers mix this up
+ (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))
+ :oracle))))
(setf (database-odbc-db-type db) type)))
-
-;;; 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."))
(defmethod database-probe (connection-spec (type (eql :odbc)))
(when (find (car connection-spec) (database-list connection-spec type)
- :test #'string-equal)
+ :test #'string-equal)
t))
(defmethod database-list (connection-spec (type (eql :odbc)))
(let ((result '()))
(dolist (table (database-list-tables database :owner owner) result)
(setq result
- (append (database-list-table-indexes table database :owner owner)
- result)))))
+ (append (database-list-table-indexes table database :owner owner)
+ result)))))
(defmethod database-list-table-indexes (table (database odbc-database)
- &key (owner nil))
+ &key (owner nil))
(declare (ignore owner))
(multiple-value-bind (rows col-names)
- (odbc-dbi:list-table-indexes
+ (odbc-dbi:list-table-indexes
table
:db (clsql-sys::odbc-conn database))
(declare (ignore col-names))
;; INDEX_NAME is hard-coded in sixth position by ODBC driver
;; FIXME: ??? is hard-coded in the fourth position
(do ((results nil)
- (loop-rows rows (cdr loop-rows)))
- ((null loop-rows) (nreverse results))
+ (loop-rows rows (cdr loop-rows)))
+ ((null loop-rows) (nreverse results))
(let* ((row (car loop-rows))
- (col (nth 5 row)))
- (unless (find col results :test #'string-equal)
- (push col results))))))
+ (col (nth 5 row)))
+ (unless (or (null col) (find col results :test #'string-equal))
+ (push col results))))))
;;; Database capabilities
projects / clsql.git / blobdiff