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From "German Kondolf" <german.kond...@gmail.com>
Subject Re: Searching for null (empty) fields, how to use -field:[* TO *]
Date Tue, 11 Mar 2008 14:59:38 GMT
Yes, my index is a "full-snapshot" created every "n" hours, there are
no incremental updates, so I decided to make another MatchAllDocsQuery
taking advantage that my index is read-only and basically removing
this checks.

Regards

Ger
german.kondolf@gmail.com

On Tue, Mar 11, 2008 at 11:54 AM, Yonik Seeley <yonik@apache.org> wrote:
> On Tue, Mar 11, 2008 at 10:41 AM, German Kondolf
>  <german.kondolf@gmail.com> wrote:
>  > *:* is parsed as a MatchAllDocsQuery?
>  >
>  >  I've got some preformance issues in Lucene 2.2 because
>  >  MatchAllDocsQuery ask for a "isDeleted()" for every document, I didn't
>  >  tried it in 2.3.
>
>  That will still be the case in 2.3 (and it's a synchronized call... ouch).
>  That's one of the reasons why read-only IndexReaders would be a good idea.
>
>  -Yonik
>
>
>
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