Be careful with URL encoding... that may be messing you up depending on how you are trying to submit the query (and the single & you were using as AND)
fq={!join from=root_id to=id}type:arm AND attr1=left fq={!join from=root_id to=id}type:leg AND attr1=right -Yonik http://lucidworks.com On Wed, Jul 10, 2013 at 12:56 PM, Marcelo Elias Del Valle <mvall...@gmail.com> wrote: > Hello, > > I am playing with joins here just to test what I can do with them. I > have been learning a lot, but I am still having some troubles with more > complex queries. > For example, suppose I have the following documents: > > > - id = 1 - name = Humblebee - age = 1000 > - id = 2 - type = arm - attr1 = left - size = 45 - unit = cm - root_id = > 1 > - id = 3 - type = arm - attr1 = right - size = 46 - unit = cm - root_id > = 1 > - id = 4 - type = leg - attr1 = left - size = 50 - unit = cm - root_id = > 1 > - id = 5 - type = leg - attr1 = right - size = 52 - unit = cm - root_id > = 1 > > In my case, that would mean there is a body called humblebee with id 1 > and 4 child, each one a member of the body. > What I am trying to do: select all bodies (root entities) that have a > left arm and a right leg. > To select the body based on the left arm, I would do: > > - q = *:* > - fq = {!join from=root_id to=id}type:arm&attr1=left > > To select the body based on the right leg: > > - q = *:* > - fq = {!join from=root_id to=id}type:leg&attr1=right > > But what if I need both left arm AND right leg? Should I do 2 joins? > > Best regards, > -- > Marcelo Elias Del Valle > http://mvalle.com - @mvallebr