nal Message
From: Konstantyn Smirnov <[EMAIL PROTECTED]>
To: java-user@lucene.apache.org
Sent: Friday, 12 September, 2008 15:32:29
Subject: Re: TermsFilter and MUST
Hi Mark,
I ended up implementing a MandatoryTermsFilter, which looks like:
class MandatoryTermsFilter extends Filter
Hi Mark,
I ended up implementing a MandatoryTermsFilter, which looks like:
class MandatoryTermsFilter extends Filter {
List terms
BitSet bits( IndexReader reader ){
int size = reader.maxDoc()
BitSet result = new BitSet( size )
BitSet andMask = new BitSet( size )
andMas
TermsFilter has taken the relatively easy option of ORing terms and this is
inexpensive to construct.
Adding more complex features (mixes of MUST/SHOULD/NOT clauses) starts to
require the sorts of optimisations you see in BooleanQuery (MUST clauses
accelerating processing of other clauses throu
