http://wiki.apache.org/solr/Join  
I found solr join is actually  sql subquery,does solr  support 3 tables jion
? the sql like this
SELECT xxx, yyy 
FROM collection1
WHERE 
outer_id IN (SELECT inner_id FROM collection1 where zzz = "vvv")
and 
outer_id2 IN (SELECT inner_id2 FROM collection1 where ttt = "xxx")
and 
outer_id3 IN (SELECT inner_id3 FROM collection1 where ppp = "rrr")

how to write the solr request url?
thanks.



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