% my $target_pkey = dbdef->table($opt{'target_table'})->primary_key;
%
% my( $source_pkey, $sourcenum, $source_obj );
% my $target_pkey = dbdef->table($opt{'target_table'})->primary_key;
%
% my( $source_pkey, $sourcenum, $source_obj );
% #$source_table = $source_obj->dbdef_table->table;
% $source_pkey = $source_obj->dbdef_table->primary_key;
% $sourcenum = $source_obj->$source_pkey();
% #$source_table = $source_obj->dbdef_table->table;
% $source_pkey = $source_obj->dbdef_table->primary_key;
% $sourcenum = $source_obj->$source_pkey();
% if ( $opt{'disable-able'} ) {
% $hashref->{'disabled'} = '';
%
% $extra_sql .= ( $sourcenum && $source_pkey )
% if ( $opt{'disable-able'} ) {
% $hashref->{'disabled'} = '';
%
% $extra_sql .= ( $sourcenum && $source_pkey )