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https://issues.apache.org/jira/browse/SOLR-351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12530820
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Yonik Seeley commented on SOLR-351:
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Obstacle #1: how to find the index directory (we really need the solr core
passed at some point - perhaps during FieldType.init()?
It would be nice of a SolrQueryRequest object was passed during all calls to
things like getValueSource(), but it may be too late for that (and much more
difficult).
> external value source
> ---------------------
>
> Key: SOLR-351
> URL: https://issues.apache.org/jira/browse/SOLR-351
> Project: Solr
> Issue Type: New Feature
> Reporter: Yonik Seeley
>
> Need a way to rapidly do a bulk update of a single field for use as a
> component in a function query (no need to be able to search on it).
> Idea: create an ExternalValueSource fieldType that reads it's values from a
> file. The file could be simple id,val records, and stored in the index
> directory so it would get replicated.
> Values could optionally be updated more often than the searcher
> (hashCode/equals should take this into account to prevent caching issues).
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