r1989: Moddified transactions

[clsql.git] / interfaces / postgresql / postgresql-sql.cl

diff --git a/interfaces/postgresql/postgresql-sql.cl b/interfaces/postgresql/postgresql-sql.cl
index 4104afa13048ba37f1c421c2a0c36ddfb9f418dd..7e9d6e89a4051d5bedf0f8ea86ba4443707d2c9b 100644 (file)
--- a/interfaces/postgresql/postgresql-sql.cl
+++ b/interfaces/postgresql/postgresql-sql.cl
@@ -8,7 +8,7 @@
 ;;;;                Original code by Pierre R. Mai 
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id: postgresql-sql.cl,v 1.14 2002/04/23 18:28:02 kevin Exp $
+;;;; $Id: postgresql-sql.cl,v 1.16 2002/05/10 08:05:48 marc.battyani Exp $
 ;;;;
 ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;; and Copyright (c) 1999-2001 by Pierre R. Mai
@@ -87,6 +87,9 @@
   ((conn-ptr :accessor database-conn-ptr :initarg :conn-ptr
             :type pgsql-conn-def)))
 
+(defmethod database-type ((database postgresql-database))
+  :postgresql)
+
 (defmethod database-name-from-spec (connection-spec (database-type
                                                     (eql :postgresql)))
   (check-connection-spec connection-spec database-type
@@ -125,6 +128,7 @@
        (make-instance 'postgresql-database
                       :name (database-name-from-spec connection-spec
                                                      database-type)
+                      :connection-spec connection-spec
                       :conn-ptr connection)))))
 
 
@@ -281,23 +285,22 @@
   (lo-create (database-conn-ptr database)
             (logior postgresql::+INV_WRITE+ postgresql::+INV_READ+)))
 
-;; (MB)the begin/commit/rollback stuff will be removed when with-transaction wil be implemented
-(defmethod database-write-large-object ( object-id (data string) (database postgresql-database))
+(defmethod database-write-large-object (object-id (data string) (database postgresql-database))
   (let ((ptr (database-conn-ptr database))
        (length (length data))
        (result nil)
        (fd nil))
-    (unwind-protect
-       (progn 
-        (database-execute-command "begin" database)
-        (setf fd (lo-open ptr object-id postgresql::+INV_WRITE+))
-        (when (>= fd 0)
-          (when (= (lo-write ptr fd data length) length)
-            (setf result t))))
-      (progn
-       (when (and fd (>= fd 0))
-         (lo-close ptr fd))
-       (database-execute-command (if result "commit" "rollback") database)))
+    (with-transaction (:database database)
+       (unwind-protect
+         (progn 
+           (setf fd (lo-open ptr object-id postgresql::+INV_WRITE+))
+           (when (>= fd 0)
+             (when (= (lo-write ptr fd data length) length)
+               (setf result t))))
+        (progn
+          (when (and fd (>= fd 0))
+            (lo-close ptr fd))
+          )))
     result))
 
 ;; (MB) the begin/commit/rollback stuff will be removed when with-transaction wil be implemented