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Posts: 132 | Thanked: 403 times | Joined on Mar 2012 @ Europe
#1
Hi!

I need little help with sparql.
The goal is to find all contacts with picture which has also an xmpp address.

This works fine:

Code:
$ tracker-sparql -q "SELECT ?contact  ?xmpp  ?name ?family ?foto WHERE { 
?contact  a nco:PersonContact . ?contact nco:nameGiven ?name . ?contact nco
:nameFamily ?family . ?contact nco:photo ?foto . ?contact  nco:hasAffiliation [  
nco:hasIMAddress ?xmpp ] . }"
But it returns the foto as UUID.
I can then find the URI using a second select:

Code:
$ tracker-sparql -q "SELECT ?url { <urn:uuid:fe0c906f-7d4d-82fe-56d1-
cc3eb1357531> nie:url ?url }"

Results:
  file:///home/user/.local/share//data/libqtcontacts-
tracker/photos/a81a95e4e932cfd9e7a564144f849d48f7f8c423.png
Is there a way to get the picture URI with only one select?

Thanks!
 

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