X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=sql%2Fdb-interface.lisp;h=9c17b544dd0268993a6022e13b3677fadb107959;hb=6c83b1d3ad63edfc36a5bb5aee451d1eacc0d555;hp=ae586e8c2b8a95035a670a4a8c89253a62247a80;hpb=4f42e6bf168107ce0ffd9ed0ca0316d00301b11d;p=clsql.git

diff --git a/sql/db-interface.lisp b/sql/db-interface.lisp
index ae586e8..9c17b54 100644
--- a/sql/db-interface.lisp
+++ b/sql/db-interface.lisp
@@ -9,9 +9,7 @@
 ;;;;                onShoreD to support UncommonSQL front-end
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id$
-;;;;
-;;;; This file, part of CLSQL, is Copyright (c) 2002-2004 by Kevin M. Rosenberg
+;;;; This file, part of CLSQL, is Copyright (c) 2002-2010 by Kevin M. Rosenberg
 ;;;; and Copyright (c) 1999-2001 by Pierre R. Mai, and onShoreD
 ;;;;
 ;;;; CLSQL users are granted the rights to distribute and use this software
@@ -427,6 +425,20 @@ of TYPE_NAME (keyword) PRECISION SCALE NULLABLE.")
     nil)
   (:documentation "Free the resources of a prepared statement."))
 
+(defgeneric database-acquire-from-conn-pool (database)
+  (:documentation "Acquire a database connection from the pool.  This
+is a chance to test the connection for validity before returning it to
+the user. If this function returns NIL or throws an error that
+database connection is considered bad and we make a new one.
+
+Database objects have a chance to specialize, otherwise the default
+method uses the database-underlying-type and tries to do something
+appropriate."))
+
+(defgeneric database-release-to-conn-pool (database)
+  (:documentation "Chance for the database to cleanup before it is
+  returned to the connection pool."))
+
 ;; Checks for closed database
 
 (defmethod database-disconnect :before ((database database))