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https://issues.apache.org/jira/browse/SOLR-2724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13393548#comment-13393548
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Jack Krupansky commented on SOLR-2724:
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I agree that we should encourage machine-generated queries to use explicit
field names. My suggested "recommendation" is simply for the case of
user-written queries passed via the "q" parameter so that we're not leaving the
user hanging, wondering what to do, or more importantly, what the preferred
action should be to go along with the spirit of the deprecation. In short,
hopefully you can combine my suggested recommendation with your
machine-generated query provision so that my suggested recommendation doesn't
sound like it is in conflict.
> Deprecate defaultSearchField and defaultOperator defined in schema.xml
> ----------------------------------------------------------------------
>
> Key: SOLR-2724
> URL: https://issues.apache.org/jira/browse/SOLR-2724
> Project: Solr
> Issue Type: Improvement
> Components: Schema and Analysis, search
> Reporter: David Smiley
> Assignee: David Smiley
> Priority: Minor
> Fix For: 3.6, 4.0
>
> Attachments:
> SOLR-2724_deprecateDefaultSearchField_and_defaultOperator.patch,
> SOLR-2724_deprecateDefaultSearchField_and_defaultOperator.patch
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> I've always been surprised to see the <defaultSearchField> element and
> <solrQueryParser defaultOperator="OR"/> defined in the schema.xml file since
> the first time I saw them. They just seem out of place to me since they are
> more query parser related than schema related. But not only are they
> misplaced, I feel they shouldn't exist. For query parsers, we already have a
> "df" parameter that works just fine, and explicit field references. And the
> default lucene query operator should stay at OR -- if a particular query
> wants different behavior then use q.op or simply use "OR".
> <similarity> Seems like something better placed in solrconfig.xml than in the
> schema.
> In my opinion, defaultSearchField and defaultOperator configuration elements
> should be deprecated in Solr 3.x and removed in Solr 4. And <similarity>
> should move to solrconfig.xml. I am willing to do it, provided there is
> consensus on it of course.
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