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Re: [viatra-dev] sum "function" in pattern language
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Hi,
1) I don’t see any other way to describe this goal in the query language.
2) This is a long-running issue with IncQuery (https://bugs.eclipse.org/bugs/show_bug.cgi?id=398769); it is currently unsupported. It is highly unlikely that this will change for 1.2; on the other hand, it is still planned for 1.3.
Cheers,
Zoli
-- Zoltán Ujhelyi
Eclipse Technologies Expert
IncQueryLabs Ltd.
> On 25 Mar 2016, at 14:09, András Szabolcs Nagy <nasz013@xxxxxxxxx> wrote:
>
> Hi,
>
> I have some questions about the pattern language and query based features.
>
> 1) Can I calculate the sum of given numbers (integers, floats, etc.) using only the pattern language?
>
> My best idea is only working for integers in a given range, e.g.:
>
> N1 = count find classWithInteger(_,1);
> N2 = count find classWithInteger(_,2);
> ...
> SUM = eval(N1+2*N2...);
>
> 2) My second question is that currently query based features with the kind "SUM" only supports integers. Is there a plan to make it work with other primitive types such as long and float?
>
> Thanks in advance!
>
> Cheers,
> András
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