r1801: Added transaction code

[clsql.git] / sql / classes.cl

diff --git a/sql/classes.cl b/sql/classes.cl
index 7a3f336a7cc6a61237b37a487e21350e4135341f..72e44c7dcb9a6e139d015f0fbea42127836ae8a8 100644 (file)
--- a/sql/classes.cl
+++ b/sql/classes.cl
@@ -5,10 +5,10 @@
 ;;;; Name:          classes.cl
 ;;;; Purpose:       Classes for High-level SQL interface
 ;;;; Programmers:   Kevin M. Rosenberg based on
-;;;;                 Original code by Pierre R. Mai 
+;;;;                 original code by Pierre R. Mai 
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id: classes.cl,v 1.2 2002/04/27 20:58:11 kevin Exp $
+;;;; $Id: classes.cl,v 1.3 2002/04/27 21:48:08 kevin Exp $
 ;;;;
 ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
@@ -25,7 +25,9 @@
 (defclass database ()
   ((name :initarg :name :reader database-name)
    (connection-spec :initarg :connection-spec :reader connection-spec
-                   :documentation "Require to use connection pool"))
+                   :documentation "Require to use connection pool")
+   (transaction-level :accessor transaction-level))
+  (:default-initargs :name nil :connection-spec nil :transaction-level 0)
   (:documentation
    "This class is the supertype of all databases handled by CLSQL."))
 
@@ -36,12 +38,12 @@
                      "<unbound>")
                  stream)))
 
+;; Closed database idea and original code comes from UncommonSQL
 
 (defclass closed-database ()
   ((name :initarg :name :reader database-name))
   (:documentation
-   "This class represents all databases after they are closed via
-`disconnect'."))
+   "This class represents databases after they are closed via 'disconnect'."))
 
 (defmethod print-object ((object closed-database) stream)
   (print-unreadable-object (object stream :type t :identity t)