I haven't poked into the details, but (recently, very recently, 7.3) theres a SortableTextField that may be useful in this situation. Otherwise you could use a FieldMutatingUpdateProcessorFactory or perhaps a ScriptUpdateProcessor to manipulate the fields on the way in. Not quite sure how you could get synonyms to work in those situations though.....
Best, Erick On Thu, Apr 19, 2018 at 7:26 AM, Uwe Reh <r...@hebis.uni-frankfurt.de> wrote: > Hi, > > I'm stuck in a dead end. > > My task is to map individual ids, to group them. > > So far, so simple: > * copyfield 'id' -> 'groupId' > * use a SynonymFilter on 'groupId' > > Now, I had the idea to improve the performance of grouping with 'docValues'. > > Unfortunately, this leads to a contradiction: > * docValues are not allowed for TextFields > * analysers are not allowed on StrFields. > > Is there a way, to resolve this contradiction within Solr? (without the need > of external preprocessing?) > > Regards > Uwe > > PS. > Yes, a token stream for a strfield, isn't a great idea. > But having CharFiltes would be nice.
