check_validity
Description:
If cnc is not null then checks that every object (table, field, function) used in
this actually exists in cnc's database
If cnc is null, then cleans anything related to cnc in
this.
See check_validity for more information.
Parameters:
| this |
a Statement object |
| cnc |
a Connection object, or null |
Returns:
|
TRUE if every object actually exists in |