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From "Joel Bernstein (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-10516) Add eval() Streaming Expression
Date Tue, 18 Apr 2017 19:35:41 GMT

     [ https://issues.apache.org/jira/browse/SOLR-10516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joel Bernstein updated SOLR-10516:
----------------------------------
    Attachment: SOLR-10516.patch

First implementation without tests.

> 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
>
>
> 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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