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sub cursor {
  my $self = shift;
  return ObjectDBI::Cursor->new($self, @_);
}

package ObjectDBI::Cursor;

=head1 CURSORS

Cursors are there to obtain lists of objects in a 'streaming' (as opposed
to 'buffered') fashion.  When the list of objects is (potentially) too long
to retrieve all at once, you'd use a cursor and iterate through it.

=head2 B<my $cursor = $objectdbi-E<gt>cursor([query], [type]);>

or

=head2 B<my $cursor = ObjectDBI::Cursor-E<gt>new($objectdbi, [query], [type]);>

Usage: