c = SolrConnection(self.zcat.solr_url)
q =' AND '.join(['%s:"%s"' % item for item in delegatedQuery.items()])
resp = c.query(q, fields='id', rows=len(self))
c = SolrConnection(self.zcat.solr_url)
q =' AND '.join(['%s:"%s"' % item for item in delegatedQuery.items()])
resp = c.query(q, fields='id', rows=len(self))