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https://issues.apache.org/jira/browse/SOLR-12221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cassandra Targett resolved SOLR-12221.
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Resolution: Fixed
This is documented and everything, so I'm going to assume it's done and resolve
this with the fix version that was already there.
> Add valueAt Stream Evaluator
> ----------------------------
>
> Key: SOLR-12221
> URL: https://issues.apache.org/jira/browse/SOLR-12221
> Project: Solr
> Issue Type: Improvement
> Components: streaming expressions
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Major
> Fix For: main (9.0), 8.1
>
> Attachments: SOLR-12221.patch
>
>
> The *valueAt* Stream Evaluator returns the value at a specific index of an
> array or the value of a specific row and column of a matrix.
> Sample syntax for an array:
> {code:java}
> let(a=array(1, 2, 3),
> b=valueAt(a, 2)){code}
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