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Posted to issues@lucene.apache.org by "Chris M. Hostetter (Jira)" <ji...@apache.org> on 2021/02/11 00:09:00 UTC
[jira] [Commented] (LUCENE-8103) QueryValueSource should use
TwoPhaseIterator
[ https://issues.apache.org/jira/browse/LUCENE-8103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17282791#comment-17282791 ]
Chris M. Hostetter commented on LUCENE-8103:
--------------------------------------------
FYI: this change seems to have caused a bug when using PhraseQueries in conjunction wih value source based queries: LUCENE-9762
> QueryValueSource should use TwoPhaseIterator
> --------------------------------------------
>
> Key: LUCENE-8103
> URL: https://issues.apache.org/jira/browse/LUCENE-8103
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/other
> Reporter: David Smiley
> Assignee: David Smiley
> Priority: Minor
> Fix For: 8.6
>
> Attachments: LUCENE-8103.patch, LUCENE-8103.patch
>
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> QueryValueSource (in "queries" module) is a ValueSource representation of a Query; the score is the value. It ought to try to use a TwoPhaseIterator from the query if it can be offered. This will prevent possibly expensive advancing beyond documents that we aren't interested in.
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