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https://issues.apache.org/jira/browse/SOLR-14241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17030868#comment-17030868
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ASF subversion and git services commented on SOLR-14241:
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Commit c5d0391df9c821dc842287d8c769c6f73275a423 in lucene-solr's branch 
refs/heads/master from Chris M. Hostetter
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=c5d0391 ]

SOLR-14241: New delete() Stream Decorator


> Streaming Expression for deleting documents by IDs (from tuples)
> ----------------------------------------------------------------
>
>                 Key: SOLR-14241
>                 URL: https://issues.apache.org/jira/browse/SOLR-14241
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: streaming expressions
>            Reporter: Chris M. Hostetter
>            Assignee: Chris M. Hostetter
>            Priority: Major
>         Attachments: SOLR-14241.patch
>
>
> Streaming expressions currently supports an {{update(...)}} decorator 
> function for wrapping another stream and treating each Tuple from the inner 
> stream as a document to be added to an index.
> I've implemented an analogous subclass of the {{UpdateStream}} called 
> {{DeleteStream}} that uses the tuples from the inner stream to identify the 
> uniqueKeys of documents that should be deleted.



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