les at affinitycircles
Apr 26, 2007, 2:37 PM
Views: 523
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I have a question about filter caching. I have a lot of QueryFilters
that I use when searching that filter on a single field. Sometimes
alone I use them by themselves, but mostly I use them in some
combination using ChainedFilter. Does the caching take advantage of
only the final filter that used in the query, or would a ChainedFilter
(say 'A and B and C') make use of the cached versions of the single
field QueryFilters A,B and C and just combine their bitsets?
The reason I ask about this is for when I comes time to warm a new
IndexReader. Ideally I'd like to just run all of the single field
QueryFilters against the index and have it cache those, and then be able
to make use of those cached filters in my more complex filters.
This seems like a fairly basic concern, but I was unable to find
anything addressed this concern explicitly. (I could just have been
searching for the wrong stuff). Anyways, thanks.
Les
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filter caching
