Re: Filter Performance

2011-01-22 Thread Erick Erickson
ields > which can be searched and then transform the leading wildcard queries to > following wildcards by reversing them too. > > -Original Message- > From: Uwe Schindler [mailto:u...@thetaphi.de] > Sent: Donnerstag, 20. Januar 2011 14:29 > To: java-user@lucene.apache.

RE: Filter Performance

2011-01-20 Thread comparis . ch - Roman Baeriswyl
9 To: java-user@lucene.apache.org Subject: RE: Filter Performance The reason for this is that the filters and other boolean clauses are applied during result collection. But wildcard query first needs to investigate all terms that match and this is done before the results are collected. And this step

RE: Filter Performance

2011-01-20 Thread Uwe Schindler
The reason for this is that the filters and other boolean clauses are applied during result collection. But wildcard query first needs to investigate all terms that match and this is done before the results are collected. And this step takes the time (especially before Lucene 4.0). There is no way