r9312: * sql/relations.lisp: Remove functions since they don't support

[clsql.git] / sql / relations.lisp

diff --git a/sql/relations.lisp b/sql/relations.lisp
deleted file mode 100644 (file)
index bd492eb..0000000
--- a/sql/relations.lisp
+++ /dev/null
@@ -1,85 +0,0 @@
-;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
-;;;; *************************************************************************
-;;;;
-;;;; $Id: objects.lisp 8963 2004-04-11 14:05:44Z kevin $
-;;;;
-;;;; Relations: This is not in CommonSQL API and may be removed
-;;;;
-;;;; This file is part of CLSQL.
-;;;;
-;;;; CLSQL users are granted the rights to distribute and use this software
-;;;; as governed by the terms of the Lisp Lesser GNU Public License
-;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
-;;;; *************************************************************************
-
-(in-package #:clsql)
-
-
-(defun synchronize-keys (src srckey dest destkey)
-  (let ((skeys (if (listp srckey) srckey (list srckey)))
-       (dkeys (if (listp destkey) destkey (list destkey))))
-    (mapc #'(lambda (sk dk)
-               (setf (slot-value dest dk)
-                     (typecase sk
-                       (symbol
-                        (slot-value src sk))
-                       (t sk))))
-           skeys dkeys)))
-
-(defun desynchronize-keys (dest destkey)
-  (let ((dkeys (if (listp destkey) destkey (list destkey))))
-    (mapc #'(lambda (dk)
-               (setf (slot-value dest dk) nil))
-           dkeys)))
-
-(defmethod add-to-relation ((target standard-db-object)
-                           slot-name
-                           (value standard-db-object))
-  (let* ((objclass (class-of target))
-        (sdef (or (slotdef-for-slot-with-class slot-name objclass)
-                   (error "~s is not an known slot on ~s" slot-name target)))
-        (dbinfo (view-class-slot-db-info sdef))
-        (join-class (gethash :join-class dbinfo))
-        (homekey (gethash :home-key dbinfo))
-        (foreignkey (gethash :foreign-key dbinfo))
-        (to-many (gethash :set dbinfo)))
-    (unless (subtypep (type-of value) join-class)
-      (error 'clsql-type-error :slotname slot-name :typespec join-class
-             :value value))
-    (when (gethash :target-slot dbinfo)
-      (error "add-to-relation does not work with many-to-many relations yet."))
-    (if to-many
-       (progn
-         (synchronize-keys target homekey value foreignkey)
-         (if (slot-boundp target slot-name)
-              (unless (member value (slot-value target slot-name))
-                (setf (slot-value target slot-name)
-                      (append (slot-value target slot-name) (list value))))
-              (setf (slot-value target slot-name) (list value))))
-        (progn
-          (synchronize-keys value foreignkey target homekey)
-          (setf (slot-value target slot-name) value)))))
-
-(defmethod remove-from-relation ((target standard-db-object)
-                           slot-name (value standard-db-object))
-  (let* ((objclass (class-of target))
-        (sdef (slotdef-for-slot-with-class slot-name objclass))
-        (dbinfo (view-class-slot-db-info sdef))
-        (homekey (gethash :home-key dbinfo))
-        (foreignkey (gethash :foreign-key dbinfo))
-        (to-many (gethash :set dbinfo)))
-    (when (gethash :target-slot dbinfo)
-      (error "remove-relation does not work with many-to-many relations yet."))
-    (if to-many
-       (progn
-         (desynchronize-keys value foreignkey)
-         (if (slot-boundp target slot-name)
-             (setf (slot-value target slot-name)
-                   (remove value
-                           (slot-value target slot-name)
-                            :test #'equal))))
-        (progn
-          (desynchronize-keys target homekey)
-          (setf (slot-value target slot-name)
-                nil)))))
-