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https://issues.apache.org/jira/browse/SOLR-4894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Rowe updated SOLR-4894:
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Fix Version/s: 4.4
5.0
> Add a new update processor factory that will dynamically add fields to the
> schema if an input document contains unknown fields
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-4894
> URL: https://issues.apache.org/jira/browse/SOLR-4894
> Project: Solr
> Issue Type: New Feature
> Components: update
> Reporter: Steve Rowe
> Assignee: Steve Rowe
> Priority: Minor
> Fix For: 5.0, 4.4
>
> Attachments: SOLR-4894.patch
>
>
> Previous {{ParseFooUpdateProcessorFactory}}-s (see SOLR-4892) in the same
> chain will detect, parse and convert unknown fields’ {{String}}-typed values
> to the appropriate Java object type.
> This factory will take as configuration a set of mappings from Java object
> type to schema field type.
> {{ManagedIndexSchema.addFields()}} adds new fields to the schema.
> If schema addition fails for any field, addition is re-attempted only for
> those that don’t match any schema field. This process is repeated, either
> until all new fields are successfully added, or until there are no new fields
> (because the fields that were new when this update chain started its work
> were subsequently added by a different update request, possibly on a
> different node).
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