Try without your $o in your constraints.

EG try with :
    $o:Order(b.maxQ < q)

    $o:Order(q > b.maxQ)

I suppose that as $o is the object itself, it may be binded only AFTER your pattern (in parser), and could leads to some weird things if used inside ..


Le 30/12/2010 20:32, Michael Whidden a écrit :
I notice an unexpected behavior when creating a technical DRL in Guvnor.

If I have a fact with a sub-fact, then binary operators don't seem to be commutative.

Eg.,

declare Broker
    maxQ: Integer

declare Order
    q: Integer
    b: Broker

The rule
    $o:Order($o.b.maxQ < $o.q)
validates fine, but
    $o:Order($o.q > $o.b.maxQ)
returns an error "Unable to create restriction '[QualifiedIndentifierRestr: > $o.broker.maxQ ]' for field '$o.q' in the rule"

I'm new, so I want to make sure I'm not missing something obvious here...

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