You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@lucene.apache.org by "Mike Klaas (JIRA)" <ji...@apache.org> on 2007/08/31 03:58:30 UTC
[jira] Commented: (LUCENE-850) Easily create queries that transform
subquery scores arbitrarily
[ https://issues.apache.org/jira/browse/LUCENE-850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12523979 ]
Mike Klaas commented on LUCENE-850:
-----------------------------------
Do address the issue above, the following needs to be added:
===================================================================
--- build-src/java/solr/org/apache/lucene/search/CustomBoostQuery.java (revision 9312)
+++ build-src/java/solr/org/apache/lucene/search/CustomBoostQuery.java (working copy)
@@ -280,7 +280,7 @@
/*(non-Javadoc) @see org.apache.lucene.search.Scorer#score() */
public float score() throws IOException {
- float boostScore = (boostScorer==null ? 1 : boostScorer.score());
+ float boostScore = (boostScorer==null || subQueryScorer.doc() != boostScorer.doc() ? 1 : boos
tScorer.score());
return qWeight * customScore(subQueryScorer.doc(), subQueryScorer.score(), boostScore);
}
@@ -300,7 +300,8 @@
return subQueryExpl;
}
// match
- Explanation boostExpl = boostScorer==null ? null : boostScorer.explain(doc);
+ Explanation boostExpl = boostScorer==null ? null :
+ weight.qStrict ? boostScorer.explain(doc) : weight.boostWeight.explain(reader,doc);
Explanation customExp = customExplain(doc,subQueryExpl,boostExpl);
float sc = qWeight * customExp.getValue();
Explanation res = new ComplexExplanation(
> Easily create queries that transform subquery scores arbitrarily
> ----------------------------------------------------------------
>
> Key: LUCENE-850
> URL: https://issues.apache.org/jira/browse/LUCENE-850
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Search
> Reporter: Mike Klaas
> Attachments: CustomBoostQuery.java, prodscorer.patch.diff
>
>
> Refactor DisMaxQuery into SubQuery(Query|Scorer) that admits easy subclassing. An example is given for multiplicatively combining scores.
> Note: patch is not clean; for demonstration purposes only.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
---------------------------------------------------------------------
To unsubscribe, e-mail: java-dev-unsubscribe@lucene.apache.org
For additional commands, e-mail: java-dev-help@lucene.apache.org