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From Đạt Cao Mạnh <caomanhdat...@gmail.com>
Subject Re: Query needsScores
Date Mon, 29 Jun 2015 10:36:37 GMT
Hi Uwe,
But I think passing around needsScore flag from searcher, collector, query,
weight, scorer is not a neat solution.

On Mon, Jun 29, 2015 at 5:29 PM, Uwe Schindler <uwe@thetaphi.de> wrote:

> Hi Dat,
>
>
>
> no we cannot remove that. In Lucene 5, Filters are deprecated and will
> disappear completely soon. Filtering is also done by the Query class (in
> fact the backwards compatibility abstract Filter class now extends Query).
> The needsScore is used to tell the Query if the consumer needs scores
> (e.g., if you add a Query using BooleanClause.FILTER to a BooleanQuery).
>
>
>
> Uwe
>
>
>
> -----
>
> Uwe Schindler
>
> H.-H.-Meier-Allee 63, D-28213 Bremen
>
> http://www.thetaphi.de
>
> eMail: uwe@thetaphi.de
>
>
>
> *From:* Đạt Cao Mạnh [mailto:caomanhdat317@gmail.com]
> *Sent:* Monday, June 29, 2015 12:05 PM
> *To:* dev@lucene.apache.org
> *Subject:* Query needsScores
>
>
>
> In Lucene search, i see the check if(needsScores) in many places. Can we
> devide current queries to Query (that compute score) and Filter (that not
> compute score) and remove needsScores flag?
>
>
> --
>
> *Best regards,*
>
> *Cao Mạnh Đạt*
>
>
>
>
>
> *D.O.B : 31-07-1991Cell: (+84) 946.328.329E-mail: caomanhdat317@gmail.com
> <caomanhdat317@gmail.com>*
> *Hanoi University of Science and Technology*
> *School of information & communication technology**Class : Computer
> Science K54*
>



-- 
*Best regards,*
*Cao Mạnh Đạt*






*D.O.B : 31-07-1991Cell: (+84) 946.328.329E-mail: caomanhdat317@gmail.com
<caomanhdat317@gmail.com>Hanoi University of Science and TechnologySchool
of information & communication technologyClass : Computer Science K54*

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