Date: 2004-03-29T14:05:55 Editor: 66.130.16.51 <> Wiki: Jakarta Lucene Wiki Page: DateRangeQueries URL: http://wiki.apache.org/jakarta-lucene/DateRangeQueries
Added results Change Log: ------------------------------------------------------------------------------ @@ -1,9 +1,21 @@ = Issues concerning DateRangeQueries = == Caching == - A DateFilter does not cache, so each search re-enumerates the terms in the range. In fact, DateFilter by itself is practically of no use (Erik Hatcher), I think. + A DateFilter does not cache, so each search re-enumerates the terms in the range. In fact, DateFilter by itself is practically of no use (Erik Hatcher, [http://www.mail-archive.com/[EMAIL PROTECTED]/msg07015.html message]). The cache is help in the IndexReader. If you have a set of canned date ranges, there are two approaches worth considering: ||DateFilter wrapped by a CachingWrappingFilter|| ||RangeQuery wrapped in a QueryFilter (which does cache)|| + + + Kevin A. Burton posted some results (response time in ms): + + ||Before caching the Field||After caching the field|| + ||2238||2253|| + ||1910||10|| + ||1899||10|| + ||1901||6|| + ||1904||8|| + ||1906||6|| + --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
