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From "Will Johnson" <wjohn...@GETCONNECTED.COM>
Subject RE: [jira] Commented: (SOLR-217) schema option to ignore unused fields
Date Fri, 27 Apr 2007 19:21:35 GMT
I agree, the default schema should preserve the strictness of the
existing core as it's already helped me figure out more than a few
problems.  Having the documented option to bypass that error is also
nice.  

Fyi:  the second patch does include a log.finest() message about
ignoring the field.  I wasn't sure what level would be appropriate but
that was the same level used in the rest of the class.

- will

-----Original Message-----
From: J.J. Larrea (JIRA) [mailto:jira@apache.org] 
Sent: Friday, April 27, 2007 2:54 PM
To: solr-dev@lucene.apache.org
Subject: [jira] Commented: (SOLR-217) schema option to ignore unused
fields


    [
https://issues.apache.org/jira/browse/SOLR-217?page=com.atlassian.jira.p
lugin.system.issuetabpanels:comment-tabpanel#action_12492369 ] 

J.J. Larrea commented on SOLR-217:
----------------------------------

+1 to Hoss' elaboration of Yonik's suggested approach, except for
reverse-compatibility (where we DO want an error for unknown fields)
schema.xml should probably read something like:

   <!-- since fields of this type are by default not stored or indexed,
any data added to
         them will be ignored outright
     -->
   <fieldtype name="ignored" stored="false" indexed="false"
class="solr.StrField" />
   ...
   <!-- uncomment the following to ignore any fields that don't already
match an existing
          field name or dynamic field, rather than reporting them as an
error.
          alternately, change the type="ignored" to some other type e.g.
"text" if you want
          unknown fields indexed and/or stored by default -->
   <!--dynamicField name="*" type="ignored" /-->


> schema option to ignore unused fields
> -------------------------------------
>
>                 Key: SOLR-217
>                 URL: https://issues.apache.org/jira/browse/SOLR-217
>             Project: Solr
>          Issue Type: Improvement
>          Components: update
>    Affects Versions: 1.2
>            Reporter: Will Johnson
>            Priority: Minor
>             Fix For: 1.2
>
>         Attachments: ignoreNonIndexedNonStoredField.patch,
ignoreUnnamedFields.patch
>
>
> One thing that causes problems for me (and i assume others) is that
Solr is schema-strict in that unknown fields cause solr to throw
exceptions and there is no way to relax this constraint.  this can cause
all sorts of serious problems if you have automated feeding applications
that do things like SELECT * FROM table1 or where you want to add other
fields to the document for processing purposes before sending them to
solr but don't want to deal with 'cleanup'

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