---------------------
               | DBIx::Class::Core |
               | update()          |
               ---------------------
           /      |            |      \
          /       |            |       \
------------ ------------ ------------ ------------ 
| Table A  | | Table B  | | Table C  | | Table D  | .......
| update() | | update() | | update() | | update() |
------------ ------------ ------------ ------------ 

##</code><code>##

sub update {
  my __PACKAGE__ $self = shift;

  # Pre-processing
  :
  :
  :

  # Call the parent method
  $self->next::method(\%new_values);

  # If successful, record audit trail
  :
  :
  :

}