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From Andrew May <a...@ingenta.com>
Subject Re: [jira] Created: (SOLR-37) Add additional configuration options for Highlighting
Date Fri, 21 Jul 2006 20:59:35 GMT
Mike Klaas wrote:
> 
> I think there might be value in providing less explicit Highlighter
> configuration and instead provide a set of intuitive options form
> which we can construct various configurations.  For another point of
> configuration is the Scorer -- right now the default QueryScorer is
> used.  But you can also specify an IndexReader+fieldName to the
> QueryScorer constructor to augment fragment scores with IDF values for
> the terms, which is necessary to see a difference in Gradient
> formatting.  It would be nice to hide all those details from the user.
> 

Well, that explains why I wasn't getting any variations when using the gradient formatter.

Also, creating the QueryScorer with the fieldName prevents highlights from appearing where

they shouldn't - e.g. when searching for +title:management +journal:quarterly I was seeing

"Management" highlighted in my journal field as well as the title.

Is there much of an extra cost in using a scorer created with the IndexReader and fieldName?

-Andrew

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