Hi Mark,

this code looks like the one that has been in production for a while, and I am not aware of such issues. Would you be able to send me the code of the custom viewer that you have so that I can play with the exact scenario that you have?

Thanks
Holger


On 21/01/2017 6:44, Mark van Berkel wrote:
I'm using another imageobject viewer with a higher weight but the query in this helper didn't work as I expected.

    SELECT ?widgetClass
    WHERE {
        GRAPH ui:graph {
            {
                SELECT *
                WHERE {
                    ?widgetClass a swa:ObjectViewerClass .
                    ?widgetClass swa:objectWidgetWeight ?w .
                    ?w swa:expression ?expression .
                    BIND (COALESCE(spl:object(?w, swa:weight), 0) AS
    ?weight) .
                }
                ORDER BY DESC (?weight)
            } .
            FILTER spin:eval(?expression, arg:kind, ?kind,
    arg:predicate, ?predicate, arg:type, ?type) .
        } .
    }


From what I can tell the Order By doesn't affect the result. I moved ORDER BY DESC (?weight) to the last line and then it worked.

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