Added to-database-p keyword to view-classes-and-storable-slots (and added generic)

[clsql.git] / sql / generics.lisp

diff --git a/sql/generics.lisp b/sql/generics.lisp
index 7f276fc196e397a68444c479135949e7ebe929a2..6ca064a79afc6c44ddea8c5a01d754054103dd5e 100644 (file)
--- a/sql/generics.lisp
+++ b/sql/generics.lisp
@@ -198,3 +198,15 @@ the arguments EXPR and DATABASE."))
   (:documentation "Given a column constraint returns its
 database-specific name. For example, auto-increment constraints can
 have different names in different database engines."))
+
+(defgeneric filter-select-list ( view-class clsql-sys::select-list database)
+  (:documentation
+   "Gives fine grained control over sql to be executed and mapped to slots
+    called with a dummy instance (so that class precedence can be used)")
+  )
+
+(defgeneric view-classes-and-storable-slots (view-class &key to-database-p)
+  (:documentation "A method that collects all the classes and storable slots
+   that need to be read from or written to the database.
+   to-database-p should be T if we are writing this object to the database
+   and nil when we are reading this object from the database"))