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From "Simon Willnauer (JIRA)" <>
Subject [jira] Updated: (LUCENE-2694) MTQ rewrite + weight/scorer init should be single pass
Date Thu, 18 Nov 2010 17:48:18 GMT


Simon Willnauer updated LUCENE-2694:

    Attachment: LUCENE-2694.patch

I started on this issue with a rough idea and wanna upload it to get some initial feedback.
The idea is to provide access to TermState via the TermsEnum Attribute API to eventually use
the TermState inside of TermQuery to prevent a second lookup as well as term cache. Its very
rough and I tried to go the least intrusive way as possible so the implementation is mainly
to show the main principles.

feedback welcome.

> MTQ rewrite + weight/scorer init should be single pass
> ------------------------------------------------------
>                 Key: LUCENE-2694
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.0
>         Attachments: LUCENE-2694.patch
> Spinoff of LUCENE-2690 (see the hacked patch on that issue)...
> Once we fix MTQ rewrite to be per-segment, we should take it further and make weight/scorer
init also run in the same single pass as rewrite.

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