[rules-dev] need advice re null handling

[Mark Proctor]

if bar is an integer it will be 0, if its an Integer it will be null. 
The Q is do we make Integer work like the primitive, or do we make it 
work like an Object.

Mark
Michael Neale wrote:
> 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.
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