[MarkLogic Dev General] XQuery schema aware queries

[Punnoose, Roshan]

Hi,

I am trying to write a schema aware query; however, I am running into an
issue with data typing.

I have a query like this:

declare namespace base = "urn:espace-object-model:base"
declare namespace info1 ="urn:espace-object-model:source:info1"
declare namespace domain="urn:espace-object-model:domain"

for $d in
fn:collection("/urn:espace-domain-model:result-set/punnooser-e-space/376
66")/*/*[self::element(*, info1:InformationObjectTypeForInfo1)]
return $d


Which works, and brings back the all elements at that level of type="
info1:InformationObjectTypeForInfo1". This type is an schema extension
of base:InformationObjectType, and I want to run the same query, except
checking if the element is of base:InformationObjectType. However, this
does not work. Is there a reason that a schema extension type will not
pick up using this method? If so, is there another way I can perform the
same task, looking for all elements with type
base:InformationObjectType, even if it is an extension of the type?

Roshan
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