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https://issues.apache.org/jira/browse/SOLR-4894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13708567#comment-13708567
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Steve Rowe commented on SOLR-4894:
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bq. Is there a plan to support specifying fieldType alongside with field name?
That's (indirectly/partially) possible now, in two ways:
# Using dynamic fields, which encode fieldType via a field name prefix or
suffix.
# Using AddSchemaFieldsUpdateProcessor and sending doc updates via JSON - its
typed values are mapped to fieldTypes in the ASFUPF config in solrconfig.xml.
That said, it might be useful to include the capability you describe in the
future. Though I haven't made plans to do so myself, patches are welcome!
> 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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