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From "Erik Hatcher (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-1280) Fields used update processor
Date Tue, 24 Jul 2012 14:17:34 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13421434#comment-13421434
] 

Erik Hatcher commented on SOLR-1280:
------------------------------------

(in a few days) I'm going to address this one by using the new script update processor and
providing an example script that achieves this same thing without the need to add these classes
inside Solr.

Mohammad - I'm unaware of this being used in production as-is, though this was distilled from
the same idea being used at the Smithsonian.  Feel free to borrow this for your own application,
though I won't be committing this to Solr but rather refactoring it to a script update processor
example.
                
> Fields used update processor
> ----------------------------
>
>                 Key: SOLR-1280
>                 URL: https://issues.apache.org/jira/browse/SOLR-1280
>             Project: Solr
>          Issue Type: New Feature
>          Components: update
>            Reporter: Erik Hatcher
>            Assignee: Erik Hatcher
>            Priority: Trivial
>         Attachments: FieldsUsedUpdateProcessorFactory.java, FieldsUsedUpdateProcessorFactory.java
>
>
> When dealing with highly heterogeneous documents with different fields per document,
it can be very useful to know what fields are present on the result documents from a search.
 For example, this could be used to determine which fields make the best facets for a given
query.

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