[overlord-issues] [JBoss JIRA] (SRAMP-202) The not() function doesn't quite work with relationships

[Eric Wittmann (JIRA)]

     [ https://issues.jboss.org/browse/SRAMP-202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Wittmann updated SRAMP-202:
--------------------------------

    Fix Version/s: 0.4.0 - API Management
                       (was: 0.3.1 - jBPM - bugfix 1)

    
> The not() function doesn't quite work with relationships
> --------------------------------------------------------
>
>                 Key: SRAMP-202
>                 URL: https://issues.jboss.org/browse/SRAMP-202
>             Project: S-RAMP
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>            Reporter: Eric Wittmann
>            Assignee: Eric Wittmann
>            Priority: Minor
>             Fix For: 0.4.0 - API Management
>
>
> The not() function works well with properties, but not quite with relationships.  An example of what doesn't work:
> /s-ramp/wsdl/Part[not(element)]
> That should return all Parts that do *not* have an element relationship.  Since relationships are found by doing a JOIN, it's actually tricky to invert.  Right now I think the query engine will produce something that would return all Parts that have some *other* relationship - but it won't return Parts without any relationships at all.  I'm not sure how to do the latter other than by using an IN with a subquery (which is supported by ModeShape but is non-standard).

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