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https://issues.apache.org/jira/browse/SOLR-1280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erik Hatcher reopened SOLR-1280:
--------------------------------
Re-opening this issue to add this as a general purpose (Java-based) update
processor. As it is, what is in Solr proper now is a techproducts-specific
update-script.js commented out snippet that achieves the same goal but more
crudely.
> 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
> Fix For: Trunk, 5.1
>
> Attachments: FieldsUsedUpdateProcessorFactory.java,
> FieldsUsedUpdateProcessorFactory.java, SOLR-1280.patch
>
>
> 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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