X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=sql%2Fgenerics.lisp;h=748cbd90f97c717c8c20039c1cf688c900cd9b27;hb=534849c88501e0ea2ee5dbf78d13d8cb73814d71;hp=792a9dec90c5ac7277369e4905b1755a995908e0;hpb=e567409d9fff3f7231c2a0bb69b345e19de2b246;p=clsql.git

diff --git a/sql/generics.lisp b/sql/generics.lisp
index 792a9de..748cbd9 100644
--- a/sql/generics.lisp
+++ b/sql/generics.lisp
@@ -4,12 +4,10 @@
 ;;;;
 ;;;; Name:     generics.lisp
 ;;;; Purpose:  Generic function definitions for DB interfaces
-;;;; Author:   Kevin M. Rosenberg based on
+;;;; Author:   Kevin M. Rosenberg
 ;;;; Created:  Apr 2004
 ;;;;
-;;;; $Id$
-;;;;
-;;;; This file, part of CLSQL, is Copyright (c) 2002-2004 by Kevin M. Rosenberg
+;;;; This file, part of CLSQL, is Copyright (c) 2004-2010 by Kevin M. Rosenberg
 ;;;;
 ;;;; CLSQL users are granted the rights to distribute and use this software
 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
@@ -20,6 +18,11 @@
 
 
 ;; FDML
+(defgeneric choose-database-for-instance (object &optional database)
+  (:documentation "Used by the oodml functions to select which
+ database object to use. Chooses the database associated with the
+ object primarily, falls back to the database provided as an argument
+ or the *DEFAULT-DATABASE*."))
 
 (defgeneric execute-command (expression &key database)
   (:documentation
@@ -84,7 +87,7 @@ case, a record is created in the appropriate table of DATABASE
 using values from the slot values of OBJECT, and OBJECT becomes
 associated with DATABASE."))
 
-(defgeneric delete-instance-records (object)
+(defgeneric delete-instance-records (object &key database)
   (:documentation
    "Deletes the records represented by OBJECT in the appropriate
 table of the database associated with OBJECT. If OBJECT is not
@@ -119,7 +122,7 @@ effects. Methods specialised on particular View Classes can be
 used to specify any operations that need to be made on View
 Classes instances which have been updated in calls to SELECT."))
 
-(defgeneric update-slot-with-null (instance slotname slotdef)
+(defgeneric update-slot-with-null (instance slotdef)
   (:documentation "Called to update a slot when its column has a NULL
 value.  If nulls are allowed for the column, the slot's value will be
 nil, otherwise its value will be set to the result of calling
@@ -141,6 +144,27 @@ DATABASE-NULL-VALUE on the type of the slot."))
   )
 (defgeneric read-sql-value  (val type database db-type)
   )
+(defgeneric database-add-autoincrement-sequence (class database)
+  (:method (class database) nil)
+  (:documentation "If a database needs to add a sequence for its
+    autoincrement to work, this is where it should go.  Default is
+    that it doesnt so just return nil"))
+(defgeneric database-remove-autoincrement-sequence (class database)
+  (:method (class database) nil)
+  (:documentation "If a database needs to add a sequence for its
+    autoincrement to work, this is where it should go.  Default is
+    that it doesnt so just return nil"))
+(defgeneric auto-increment-sequence-name (class slotdef database)
+  (:documentation "The sequence name to create for this autoincremnt column on this class
+   if returns nil, there is no associated sequence "))
+
+(defmethod auto-increment-sequence-name :around (class slot database)
+  (when (auto-increment-column-p slot database)
+    (call-next-method)))
+
+(defgeneric database-last-auto-increment-id (database table column)
+  )
+
 
 
 ;; Generation of SQL strings from lisp expressions