[jboss-jira] [JBoss JIRA] (DROOLS-1734) FEEL if in case of otherwise

[Edson Tirelli (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-1734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edson Tirelli reassigned DROOLS-1734:
-------------------------------------

    Assignee: Edson Tirelli  (was: Matteo Mortari)


> FEEL if in case of otherwise
> ----------------------------
>
>                 Key: DROOLS-1734
>                 URL: https://issues.jboss.org/browse/DROOLS-1734
>             Project: Drools
>          Issue Type: Bug
>          Components: dmn engine
>            Reporter: Matteo Mortari
>            Assignee: Edson Tirelli
>
> Spec says:
>  if FEEL(e 1 ) is true then FEEL(e 2 ) else FEEL(e 3 )
> so if I follow the spec, NOT the code, it could happen that FEEL(e1) is:
> true        follows the spec, returns FEEL(e2)
> false       follows the spec, returns FEEL(e3)
> otherwise   if I follow the spec, it should return FEEL(e3), if I follow the code, it's returning null (and an error).
> The spec takes the position that 'if x then 1 else 2' should always
> result in either 1 or 2, regardless of x (or the type of x). This
> makes it easier for users to handle missing data, e.g. if x > 0 then x
> else 0.



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