Couldn't you just retrieve users and use "entity" to get their photos?
On Thu, Sep 18, 2014 at 4:43 PM, Wilker <wilkerlu...@gmail.com> wrote: > Forgot to mention, I tried the (get-else) but it raises an error about > cardinality many not supported, so I guessed it doesn't works here... > --- > Wilker Lúcio > http://about.me/wilkerlucio/bio > Woboinc Consultant > +55 81 82556600 > On Thu, Sep 18, 2014 at 7:41 PM, Wilker <wilkerlu...@gmail.com> wrote: >> Hi >> >> I'm trying to figure if I can make some parts of my query results to be >> optional, for example, given the following query: >> >> [:find ?name ?age >> :where >> [?m :person/name ?name] >> [?m :person/age ?age]] >> >> This will return all entities that has a :person/name and :person/age. Ok, >> so, if I want to make the name mandatory and the age optional, I can do: >> >> [:find ?name ?age >> :in $ >> :where >> [?m :person/name ?name] >> [(get-else $ ?m :person/age 0) ?age]] >> >> Ok, so, for single values that works great, but what about this: >> >> [:find ?m ?name (vec ?url) >> :in $ >> :where >> [?m :person/name ?name] >> [?m :photos ?p] >> [?p :file/url ?url]] >> >> On the previous query, it fetch every person that has at least 1 photo, >> but not those that has no photos. >> >> How do I make to the query to return all entities that has name, having >> photos or not (ideally the value would be a blank list for those without >> photos)? >> >> Best regards. >> --- >> Wilker Lúcio >> http://about.me/wilkerlucio/bio >> Woboinc Consultant >> +55 81 82556600 >> > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
