or download this
WebR::M::CDBI::DatafileRelationship->has_a(child=>'WebR::M::CDBI::
+Datafile');
WebR::M::CDBI::DatafileRelationship->has_a(parent=>'WebR::M::CDBI:
+:Datafile');
...
cascade => 'Class::DBI::Cascade::Delete'});
WebR::M::CDBI::Datafile->has_many(children=>['WebR::M::CDBI::Dataf
+ileRelationship' => 'child'],'parent', {
cascade => 'Class::DBI::Cascade::Delete'} );