;;;; Original code by Pierre R. Mai
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: sql.cl,v 1.16 2002/05/11 14:31:10 marc.battyani Exp $
+;;;; $Id: sql.cl,v 1.17 2002/05/14 16:23:37 kevin Exp $
;;;;
;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
;;; Simple implementation of SQL along the lines of Harlequin's Common SQL
-;;; Database Types
-
-(defvar *loaded-database-types* nil
- "Contains a list of database types which have been defined/loaded.")
-
-(defmethod database-type-load-foreign :after (database-type)
- (when (database-type-library-loaded database-type)
- (pushnew database-type *loaded-database-types*)))
-
-(defun reload-database-types ()
- "Reloads any foreign code for the loaded database types after a dump."
- (mapc #'database-type-load-foreign *loaded-database-types*))
-
-(defvar *default-database-type* nil
- "Specifies the default type of database. Currently only :mysql is
-supported.")
-
-(defvar *initialized-database-types* nil
- "Contains a list of database types which have been initialized by calls
-to initialize-database-type.")
-
-(defun initialize-database-type (&key (database-type *default-database-type*))
- "Initialize the given database-type, if it is not already
-initialized, as indicated by `*initialized-database-types*'."
- (if (member database-type *initialized-database-types*)
- t
- (when (database-initialize-database-type database-type)
- (push database-type *initialized-database-types*)
- t)))
-
-
;;; Database handling
(defvar *connect-if-exists* :error