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https://issues.apache.org/jira/browse/SOLR-10516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15998679#comment-15998679
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ASF subversion and git services commented on SOLR-10516:
--------------------------------------------------------

Commit 95227a0aba2c7de152d035a72083c6d0fab644b1 in lucene-solr's branch 
refs/heads/branch_6x from [~joel.bernstein]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=95227a0 ]

SOLR-10516: Update CHANGES.txt


> Add eval Streaming Expression
> -----------------------------
>
>                 Key: SOLR-10516
>                 URL: https://issues.apache.org/jira/browse/SOLR-10516
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>         Attachments: SOLR-10516.patch, SOLR-10516.patch
>
>
> The eval() Streaming Expression reads a single tuple from an underlying 
> stream and looks in the expr_s field for an expression to compile and run. 
> eval emits the tuples from the expression that it compiles. 
> This allows streaming expressions to write streaming expressions and have 
> them evaluated.
> Syntax:
> {code}
> eval(expr)
> {code}



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