Peter,
take a close look at tagging and and excluding filters:
http://wiki.apache.org/solr/SimpleFacetParameters#LocalParams_for_faceting
Another way would be to index your services_raw as
services_raw/Exclusive rental
services_raw/Fotoreport
services_raw/Live music
In this case, you can use the facet-prefix param to get all the
services_raw/*-values.
I am not sure, but maybe even "*" is a valid prefix - than you do not need
such extra-work.
If all your documents include a services_raw-field, than this facet wouldn't
make much sense, since it is applicable to all the documents, isn't it?
Kind regards,
- Mitch
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