[jboss-jira] [JBoss JIRA] (DROOLS-1612) Throw compilation error when using collect hit policy with aggr. function and multiple outputs

[Tibor Zimányi (JIRA)]

Tibor Zimányi created DROOLS-1612:
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             Summary: Throw compilation error when using collect hit policy with aggr. function and multiple outputs
                 Key: DROOLS-1612
                 URL: https://issues.jboss.org/browse/DROOLS-1612
             Project: Drools
          Issue Type: Bug
          Components: dmn engine
    Affects Versions: 7.0.0.Final
            Reporter: Tibor Zimányi
            Assignee: Edson Tirelli


According to the DMN spec., "Decision tables with compound outputs support only the following hit policies: Unique, Any, Priority, First, Output
order, Rule order and Collect without operator, because the collect operator is undefined over multiple outputs." 

However when I use decision table with "COLLECT" hit policy, "sum" aggregate function and multiple outputs, the table compiles. When evaluating the table, I get nulls as output value results, but no error message in DMNResult. 

I will provide a reproducer in a PR. 



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