How many different values do you have in your fields and do you know them ?
Faceting by query is not an option for you ? Ludovic. ----- Jouve France. -- View this message in context: http://lucene.472066.n3.nabble.com/Combining-several-fields-for-facets-tp4160679p4160866.html Sent from the Solr - User mailing list archive at Nabble.com.