my $numbercolumn = $self->controller->profile->get('table') . "number";
my %vcs_by_number = map { ( $_->$numbercolumn => 1 ) } @{ $self->existing_objects };
my $numbercolumn = $self->controller->profile->get('table') . "number";
my %vcs_by_number = map { ( $_->$numbercolumn => 1 ) } @{ $self->existing_objects };