[jboss-jira] [JBoss JIRA] Created: (JBRULES-2987) Literal expression not possible in constraint

[Wolfgang Laun (JIRA)]

Literal expression not possible in constraint
---------------------------------------------

                 Key: JBRULES-2987
                 URL: https://issues.jboss.org/browse/JBRULES-2987
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-compiler (expert)
    Affects Versions: 3.0-beta3
            Reporter: Wolfgang Laun
            Assignee: Mark Proctor


declare Article
    artid   : int;
    artname : String;
    custid  : int;
end
declare Customer
    custid : int
endrule "articles of a customer"
when
    $c: Customer( $custid: custid )
    $a: Article( $artid: artid,  artname == "mou" + "se", $custid : custid == $custid )
then
end

This produces the (misleading) error message below, but should work according to Mark Proctor.
Notice that artname == ("mou" + "se") works correctly.

Unable to return Declaration for identifier '"mou" + "se"' : [Rule name='articles of a customer']




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