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https://issues.apache.org/jira/browse/SOLR-1715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12920786#action_12920786
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Tom Burton-West commented on SOLR-1715:
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+1 for work on this feature.
Other use cases include :
1) creating custom sub-collections of documents (Example that won't scale
without this issue being addressed :
http://babel.hathitrust.org/cgi/mb?a=listcs)
2) tagging documents
3) anything that might need querying a relational database (i.e. complex joins)
4) sort of an alternative to implementation of incremental field update in
lucene/solr (i.e. updated fields stored outside of lucene/solr)
Tom Burton-West
> Externally Generated Filters
> ----------------------------
>
> Key: SOLR-1715
> URL: https://issues.apache.org/jira/browse/SOLR-1715
> Project: Solr
> Issue Type: New Feature
> Components: search
> Reporter: Grant Ingersoll
> Priority: Minor
> Fix For: Next
>
>
> I'd like to have a way of loading document filters from externally generated
> sources. For instance, I may have run a clustering task over my corpus and
> the results may be stored in HDFS (Hadoop). A given cluster will have a
> centroid and a bunch of points that are in the cluster. The points are
> labeled by doc id (the Solr doc id) from the index.
> Another example is I may have an external security system that can provide
> info on which documents are available to a user.
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