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https://issues.apache.org/jira/browse/SOLR-10551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15980136#comment-15980136
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ASF subversion and git services commented on SOLR-10551:
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Commit f6af8d099932ca3cf611878197174b3f70e5cc85 in lucene-solr's branch
refs/heads/master from [~joel.bernstein]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=f6af8d0 ]
SOLR-10551: Add list and cell Streaming Expressions
> Add list and cell Streaming Expressions
> ---------------------------------------
>
> Key: SOLR-10551
> URL: https://issues.apache.org/jira/browse/SOLR-10551
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Attachments: SOLR-10551.patch, SOLR-10551.patch
>
>
> The *list* expression contains a list of streams. It opens, reads and closes
> each stream sequentially. Sample syntax:
> {code}
> list(expr,expr, ...)
> {code}
> The *cell* expression gathers the tuples from a stream and flattens them into
> a list in a *single* celled tuple. Sample syntax:
> {code}
> cell(name, expr)
> {code}
> In the tuple emitted by the cell expression the *name* param is the key which
> points to the flattened list.
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