I'd recommend what Andy said, but if all you're interested in is a single term combined, you can do <facet.query=product:computer OR tag:computer> and you'll get the "merged" count.
Erik On Jan 4, 2012, at 07:51 , Andrew Ingram wrote: > Hi Marc, > > I'd probably have another field called "keywords" (or something) that I copy > all the values into using copyfields, then just facet (and therefore filter) > on that field instead. > > If there were a way to do it the way you're asking (there might be, I don't > know), there's no guarantee that the total of 23 is correct. If there's > overlap ie a document having both product and tag values of "computer", the > merged total should actually be less than 23. > > - Andy > > On 4 Jan 2012, at 12:45, Marc SCHNEIDER wrote: > >> Hello, >> >> I have two fields 'product' and 'tag'. >> Executing this query q=*:*&facet=true&facet.field=product&facet.field=tag >> gives me this result : >> >> <lst name="facet_fields"> >> <lst name="product"> >> <int name="computer">16</int> >> ... >> </lst> >> <lst name="tag"> >> <int name="computer">7</int> >> ... >> </lst> >> </lst> >> >> Is there a way to group the results by value ie getting <int >> name="computer">23</int>, regardless of the field names? >> >> Thanks in advance, >> Marc. > >