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Date: Thu, 8 Nov 2007 12:38:50 -0800 (PST)
From: "Mike Klaas (JIRA)" <jira@apache.org>
To: solr-dev@lucene.apache.org
Subject: [jira] Commented: (SOLR-407) Uncached filter query parameters
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    [ https://issues.apache.org/jira/browse/SOLR-407?page=3Dcom.atlassian.j=
ira.plugin.system.issuetabpanels:comment-tabpanel#action_12541129 ]=20

Mike Klaas commented on SOLR-407:
---------------------------------

Good catch!  This can be fixed in standard request handler as follows:

if(null !=3D ncFilters) {
        BooleanQuery target;
        if(query instanceof BooleanQuery) {
          target =3D (BooleanQuery)query;
        } else {
          target =3D new BooleanQuery(true);
          target.add(query, BooleanClause.Occur.MUST);
        }
        U.addFilters(ncFilters, target);
        query =3D target;
      }

DisMax I don't think is a problem since it is adding to the top-level boole=
an query (can the dismax parser produce pure negative queries anyway?)

I've fixed this with a test in my local copy.  If we pursue this any furthe=
r, I'll post a patch (also incorporating Yonik's localParams suggestion).

> Uncached filter query parameters
> --------------------------------
>
>                 Key: SOLR-407
>                 URL: https://issues.apache.org/jira/browse/SOLR-407
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>    Affects Versions: 1.3
>            Reporter: Mike Klaas
>            Assignee: Mike Klaas
>            Priority: Minor
>             Fix For: 1.3
>
>         Attachments: fq.nocache.patch
>
>
> Add a fq.nocache parameter (that may be specified multiple times) that ad=
ds filter clauses to the query which are not cached.  Further, these filter=
s are embedded directly into the BooleanQuery, which should be more efficie=
nt when filters are=C2=A0not reused.

--=20
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