[rules-dev] Reusing query's in accumulate functions

[Edson Tirelli]

   Geoffrey

   The use of queries in rules LHS is part of the work Mark wants to do to
support hybrid forward-backward-chaining rules. It will come in time.
   Regarding the multiple pattern support for accumulate, I believe there
already is an open ticket, but feel free to open one if there isn't.

   Thanks,
       Edson

2007/7/29, Geoffrey De Smet <ge0ffrey.spam at gmail.com>:
>
> I wonder if there are any plans to allow query's to be reused in
> accumulate functions? Something like
>
>     query "multipleQueensHorizontal"
>         Queen($id : id, $y : y);
>         Queen(id > $id, y == $y);
>     end
>
>     rule "x"
>       when
>         Integer() from accumulate(
>           count(query "multipleQueensHorizontal") // <==
>         );
>       then
>         ...
>      end
>
> If not, mind if I make a (long term) issue if you think it's a good idea
> and possible to implement?
> Is there an issue for Multiple Pattern Accumulate and if not, mind if I
> create one?
>
> Thanks as always :)
>
> --
> With kind regards,
> Geoffrey De Smet
>
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-- 
  Edson Tirelli
  Software Engineer - JBoss Rules Core Developer
  Office: +55 11 3529-6000
  Mobile: +55 11 9287-5646
  JBoss, a division of Red Hat @ www.jboss.com
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