Intuition can fail you, with Drools more than with many other systems I
know...
Basically, the exists preceding an accumulate is akin to
if( list.size() > 0 )
for( Elem el: list ){...}
-W
On 31 August 2011 16:58, chocksmith <[email protected]>wrote:
> Humm... I do not have a benchmark. Thats only intuition... :-)
> If the fact does not exist, then all the rest of the LHS do not need to be
> tested/calculated. When I try to imagine how is the implementation of the
> "collect"... It sounds logical avoiding it if we know that it is not
> necessary.
>
> But I agree with you... It is redundant.
>
> Tx!
> R.
>
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