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From "Joel Bernstein (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-10485) Add eval() Streaming Expression to allow Solr to behave like a scientific calculator
Date Sat, 15 Apr 2017 15:59:42 GMT

     [ https://issues.apache.org/jira/browse/SOLR-10485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joel Bernstein updated SOLR-10485:
----------------------------------
    Summary: Add eval() Streaming Expression to allow Solr to behave like a scientific calculator
 (was: Add CalculateStream to allow Solr to behave like a scientific calculator)

> Add eval() Streaming Expression to allow Solr to behave like a scientific calculator
> ------------------------------------------------------------------------------------
>
>                 Key: SOLR-10485
>                 URL: https://issues.apache.org/jira/browse/SOLR-10485
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>         Attachments: SOLR-10485.patch
>
>
> The CalculateStream returns a single empty Tuple to support this syntax:
> {code}
> select(eval(), add(1, 1) as result)
> {code}
> This will simply add the calculation to the Tuple and return it, turning Solr into a
scientific calculator.



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