supplied slots with other attributes having default
values. Furthermore, OBJECT becomes associated with DATABASE."))
-(defgeneric update-records-from-instance (object &key database this-class)
+(defgeneric update-records-from-instance (object &key database)
(:documentation
"Using an instance of a View Class, OBJECT, update the table
that stores its instance data. DATABASE defaults to
table of the database associated with OBJECT. If OBJECT is not
yet associated with a database, an error is signalled."))
-(defgeneric update-instance-from-records (object &key database this-class)
+(defgeneric update-instance-from-records (object &key database)
(:documentation
"Updates the slot values of the View Class instance OBJECT
using the attribute values of the appropriate table of DATABASE
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
(defgeneric database-constraint-statement (constraints database)
)
+
+(defgeneric database-translate-constraint (constraint 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"))