*** How to reproduce:

1. Install table `photos' in `test' database on your localhost mySQL:

$ mysql -uroot test < photos.sql

2. Execute:

$ cd bitfield_test 
$ perl -Ilib t.pl

The recieved output is:

RDBO Version is 0.601
ref:
Can't call method "to_Bin" on an undefined value at t.pl line 10.
