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From "Trejkaz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3370) Support for a "SpanNotNearQuery"
Date Wed, 10 Aug 2011 22:05:27 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13082708#comment-13082708
] 

Trejkaz commented on LUCENE-3370:
---------------------------------

That's not a bad idea.

Some care should be taken though - the padding would work more logically, so to convert from
slop (which doesn't!) you would have to add 1 to the slop value to get the padding value.



> Support for a "SpanNotNearQuery"
> --------------------------------
>
>                 Key: LUCENE-3370
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3370
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: core/search
>            Reporter: Trejkaz
>
> Sometimes you want to find an instance of a span which does not hit near some other span
query.  SpanNotQuery only excludes exact hits on the term, but sometimes you want to exclude
hits 1 away from the first, and other times you might want the range to be wider.
> So a SpanNotNearQuery could be useful.  
> SpanNotQuery is actually very close, and adding slop+inOrder support to it is probably
sufficient to make a SpanNotNearQuery. :)
> There appears to be one project which has done it in this fashion, although this particular
code looks like it's out of date:
> http://www.koders.com/java/fid933A84488EBE1F3492B19DE01B2A4FC1D68DA258.aspx?s=ArrayQuery

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