-=item I<svcdb>__I<field>_flag - defines I<svcdb>__I<field> action: null, `D' for default, or `F' for fixed
+=item I<svcdb>__I<field>_flag - defines I<svcdb>__I<field> action: null, `D' for default, or `F' for fixed. For virtual fields, can also be 'X' for excluded.
$part_svc_column->setfield('columnflag', $1);
$part_svc_column->setfield('columnvalue',
$self->getfield($svcdb.'__'.$field)
$part_svc_column->setfield('columnflag', $1);
$part_svc_column->setfield('columnvalue',
$self->getfield($svcdb.'__'.$field)
$part_svc_column->setfield('columnflag', $1);
$part_svc_column->setfield('columnvalue',
$new->getfield($svcdb.'__'.$field)
$part_svc_column->setfield('columnflag', $1);
$part_svc_column->setfield('columnvalue',
$new->getfield($svcdb.'__'.$field)