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From "David Smiley (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2724) Deprecate defaultSearchField and defaultOperator defined in schema.xml
Date Thu, 29 Mar 2012 03:21:43 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13240946#comment-13240946
] 

David Smiley commented on SOLR-2724:
------------------------------------

I take issue with the Yonik's comment "we're not really gaining anything with this change".
 I don't know about you, but I'm always pondering how Solr can work better and be easier to
understand / configure.  I don't think defaultSearchField & defaultOperator have a need
to exist, let alone exist in schema.xml, thereby creating unnecessary complexity in understanding
the product -- albeit in a small way.  My work with Erik on simplifying the solrconfig.xml
is along the same lines with my eventual hope to simply eliminate default="true" on a RH and
the handleSelect thing.

I do agree that defaultSearchField is more useful than defaultOperator, but when it is depended
on for some search or another (like the /browse fq=ipod example in SOLR-3292) , IMO it would
been better/clearer for the query to be explicit.
                
> 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
>
>   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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