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Posted to issues@lucene.apache.org by "Michele Palmia (Jira)" <ji...@apache.org> on 2020/03/05 12:07:00 UTC

[jira] [Updated] (LUCENE-8103) QueryValueSource should use TwoPhaseIterator

     [ https://issues.apache.org/jira/browse/LUCENE-8103?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michele Palmia updated LUCENE-8103:
-----------------------------------
    Attachment: LUCENE-8103.patch

> 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
>            Priority: Minor
>         Attachments: LUCENE-8103.patch
>
>
> 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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