Dear All,

I have the following problem. I have 2 collections.
They look (to make it simpler) like this:
- The first one is called 'items'.  Each item (id, name, producer id)
  is  <fedora-rels-ext:isMemberOf> of that collection
-  The  second one is 'producers' collection  . Each producer (id, name)
  is  <fedora-rels-ext:isMemberOf> of that collection

I'd like to create a query returning the following
item id, item name, producer name.

How  to  link  producer id from the main query with producer id in the
subquery?
The query would be something like this.....


select $pid $name $producerId
subquery(select $producerName 
         from <#ri>
         where $member1 <dc:identifier> $prodId 
         and $prodId <mulgara:is> $producerId            
         and   #member1 <dc:title> $producerName
         and   $member1 <fedora-rels-ext:isMemberOf> <info:fedora/ns:producers>)
         
from   <#ri>
where  $member <dc:identifier> $pid
and    $member <dc:title> $name
and    $member <ns:producer> $producerId
and    $member <fedora-rels-ext:isMemberOf> <info:fedora/ns:items>


How to make it working? Please help..

Best regards,
Damian


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