You could have a single index with both stemmed and non-stemmed terms,
using different field names for each and searching a different set of
fields depending on the type of search.
You'd also have to use 2 types of analyzers/filters, I think.
Roughly.... :)

Otis


--- Joel Bernstein <[EMAIL PROTECTED]> wrote:
> In our search application the user can turn stemming off and on.
> 
> With Lucene will I have to maintain two sets of indexes to create
> this functionality, one
> stemming and one non-stemming index?
> 
> Or
> 
> Is there a way to query a stemming index so that it does not return
> stems?
> 
> 
> Thanks,
> Joel
> 


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