[rules-users] "distinct" operator in a query

[Wolfgang Laun]

Probably what you mean is:
   exists YearData( id ==  $result.identifierCode, vehicles.size > 0 )

-W

On 13/11/2013, braveheart85 <andrea.pacifico.85 at gmail.com> wrote:
> How can i insert an EXISTS in above query?
> I inserted exist on Vehicle but what about Year?
> I got an exception if i write:
>
> exists $y: Year( )
>
> or
>
> $y: exists Year( )
>
>
>
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