Here described how can we configure Apache Solr to specify fields of search.
there is some fields like Type, Title, Subject and … in Dublin Core but there is not something like All fields.
I know there is a way to handle this, because there is an implementation here: http://demo.projectblacklight.org/
Is there something like dc.all_field?!
you do this by using a copyField that copies all fields to another one: