On 8/9/07, Luke Tan <[EMAIL PROTECTED]> wrote: > Am I right to say that using a RangeFilter for this purpose might be > less efficient for large indexes than indexing as "__null__" since > RangeFilter uses TermEnum and TermDocs and iterates through every term > in the index?
Correct. But if used often, as filters of this type normally are, it will almost always be cached (and pre-cached via autowarming). -Yonik