Fields cascading:

my $f1 = ORM::Model::Field -> new( db_func => 'now' );
my $f3 = ORM::Model::Field -> new( db_func => 'date',
				   base_field => $f1 );

my $sql = Models::Metatable -> get( $f2 => $f3,

=

WHERE date(metatable.f01) = date(now())

+test