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From "Jack Krupansky (JIRA)" <>
Subject [jira] [Commented] (SOLR-3442) Example schema switch to DisMax instead of CopyField
Date Mon, 07 May 2012 15:14:52 GMT


Jack Krupansky commented on SOLR-3442:

I don't disagree with the gist of your argument, but I would cringe a little if we change
the schema so that it doesn't work very well if the user does drop back to the lucene query
parser with &defType=lucene which has only a single default field.

OTOH, maybe that is simply the cost of making the example schema (and config) be more representative
of "best practices". But, that sort of implies that the Lucene query parser is not a "best
practice", at least when searchable text content is spread over multiple fields.

> Example schema switch to DisMax instead of CopyField
> ----------------------------------------------------
>                 Key: SOLR-3442
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>          Components: Schema and Analysis
>            Reporter: Jan H√łydahl
>              Labels: dismax
> Spinoff from SOLR-3439:
> The use of copyField in todays example schema is an anti pattern since we indirectly
teach people to duplicate most of their content, while most would be better off using DisMax,
or at least a combination.

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