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From "David Smiley (JIRA)" <>
Subject [jira] [Commented] (SOLR-3534) dismax and edismax should default to "df" when "qf" is absent.
Date Thu, 14 Jun 2012 20:28:43 GMT


David Smiley commented on SOLR-3534:

Hoss, I like your suggestion of refactoring this to SolrPluginUtils (not *Tools which doesn't
exist).  And also I realized that SolrParams.get() takes a 2nd arg for the default which can
be s.getDefaultSearchFieldName(), simplifying this even more.

bq. As Bernd noted, that test was written at a time when the schema.xml used by the test had
a <defaultSearchField/> declared – that was/is the entire point of the test: that
the Dismax(Handler|QParser) could work with a "<defaultSearchField/>" and a "q" and
no other params specified. As long as "<defaultSearchField/>" is legal (even if it's
deprecated and not mentioned in the example schema.xml) a test like that should exist somewhere
shouldn't it? (if/when "<defaultSearchField/>" is no longer legal, then certainly change
the test to add a "df" param and assert that it fails if one isn't specified)

I'm confused by this, especially since you "+1"'ed on throwing an exception.  I'll presume
that you don't mean "<defaultSearchField/>" literally, you mean "<defaultSearchField>text</defaultSearchField/>".
 So are you effectively saying that schema-minimal.xml should add a defaultSearchField to
> dismax and edismax should default to "df" when "qf" is absent.
> --------------------------------------------------------------
>                 Key: SOLR-3534
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>          Components: query parsers
>    Affects Versions: 4.0
>            Reporter: David Smiley
>            Assignee: David Smiley
>            Priority: Minor
>         Attachments: SOLR-3534_dismax_and_edismax_should_default_to_df_if_qf_is_absent.patch
> The dismax and edismax query parsers should default to "df" when the "qf" parameter is
absent.  They only use the defaultSearchField in schema.xml as a fallback now.

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