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https://issues.apache.org/jira/browse/SOLR-10504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15998663#comment-15998663
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ASF subversion and git services commented on SOLR-10504:
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Commit 1309232e8a9e30a7a8444dd4de028a8d6f598a83 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=1309232 ]
SOLR-10504: Update CHANGES.txt
> 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
> Fix For: 6.6, master (7.0)
>
> 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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