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https://issues.apache.org/jira/browse/SOLR-10393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16115855#comment-16115855
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Erick Erickson commented on SOLR-10393:
---------------------------------------

Can this be closed?

> Add UUID Stream Evaluator
> -------------------------
>
>                 Key: SOLR-10393
>                 URL: https://issues.apache.org/jira/browse/SOLR-10393
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>            Assignee: Dennis Gove
>         Attachments: SOLR-10393.patch, SOLR-10393.patch
>
>
> The cartesianProduct function emits multiple tuples from a single tuple. To 
> save the cartesian product in another collection it would be useful to be 
> able to dynamically assign new unique id's to tuples. The uuid() stream 
> evaluator will allow us to do this.
> sample syntax:
> {code}
> cartesianProduct(expr, fielda, uuid() as id)
> {code} 



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