http://jira.jboss.com/jira/browse/JBRULES-627
OK, this much is clear:
Foo(field == null) can be true if field is null.
but, what about Foo(field > 3), and field is null? should that be false? what about Foo(field != 3) - should that be true?
in SQL, null will always result in a false condition, unless you explicitly use null.
Thoughts?
Michael.