;;;; Original code by Pierre R. Mai
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: db-interface.cl,v 1.1 2002/03/29 07:42:10 kevin Exp $
+;;;; $Id: db-interface.cl,v 1.3 2002/03/29 08:23:38 kevin Exp $
;;;;
;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
(in-package :clsql-sys)
-
(defgeneric database-type-load-foreign (database-type)
(:documentation
"The internal generic implementation of reload-database-types.")
(:method :after (database-type)
- (pushnew database-type *loaded-database-types*)))
+ (when (database-type-library-loaded database-type)
+ (pushnew database-type *loaded-database-types*))))
(defgeneric database-type-library-loaded (database-type)
(:documentation
(defgeneric database-disconnect (database)
(:method ((database closed-database))
(signal-closed-database-error database))
+ (:method ((database t))
+ (signal-nodb-error database))
(:documentation "Internal generic implementation of disconnect."))
(defgeneric database-query (query-expression database types)
(:method (query-expression (database closed-database) types)
(declare (ignore query-expression types))
- (signal-closed-database-error database))
+ (signal-closed-database-error database))
+ (:method (query-expression (database t) types)
+ (declare (ignore query-expression types))
+ (signal-nodb-error database))
(:documentation "Internal generic implementation of query."))
(:method (sql-expression (database closed-database))
(declare (ignore sql-expression))
(signal-closed-database-error database))
+ (:method (sql-expression (database t))
+ (declare (ignore sql-expression))
+ (signal-nodb-error database))
(:documentation "Internal generic implementation of execute-command."))
;;; Mapping and iteration
(declare (ignore query-expression full-set types))
(signal-closed-database-error database)
(values nil nil nil))
+ (:method (query-expression (database t) &key full-set types)
+ (declare (ignore query-expression full-set types))
+ (signal-nodb-error database)
+ (values nil nil nil))
(:documentation
"Internal generic implementation of query mapping. Starts the
query specified by query-expression on the given database and returns
(:method (result-set (database closed-database))
(declare (ignore result-set))
(signal-closed-database-error database))
+ (:method (result-set (database t))
+ (declare (ignore result-set))
+ (signal-nodb-error database))
(:documentation "Dumps the received result-set."))
(defgeneric database-store-next-row (result-set database list)
(:method (result-set (database closed-database) list)
(declare (ignore result-set list))
(signal-closed-database-error database))
+ (:method (result-set (database t) list)
+ (declare (ignore result-set list))
+ (signal-nodb-error database))
(:documentation
"Returns t and stores the next row in the result set in list or
returns nil when result-set is finished."))