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https://issues.apache.org/jira/browse/SOLR-10504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-10504:
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Attachment: SOLR-10504.patch
> Add echo Streaming Expression
> -----------------------------
>
> Key: SOLR-10504
> URL: https://issues.apache.org/jira/browse/SOLR-10504
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Attachments: SOLR-10504.patch
>
>
> The *echo* Streaming Expression takes a text string as an argument and emits
> a single tuple that "echos" the text string.
> This will allow constructs that "echo" text to various decorators such as
> *select*, *cartesianProduct*, *update* and *classify*.
> Sample syntax:
> {code}
> select(echo("hello world"), analyze(echo, analyzerField) as out)
> {code}
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