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From "Joel Bernstein (JIRA)" <>
Subject [jira] [Created] (SOLR-10551) Add cat and list Streaming Expressions
Date Fri, 21 Apr 2017 19:26:04 GMT
Joel Bernstein created SOLR-10551:

             Summary: Add cat and list Streaming Expressions
                 Key: SOLR-10551
             Project: Solr
          Issue Type: New Feature
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Joel Bernstein

The *cat* expression concatenates streams. Sample syntax:

cat(expr,expr, ...)

This *list* expression gathers the tuples from a stream and flattens them into a list in a
single tuple. Sample syntax:

list(name, expr)

The *name* param is the key in the tuple pointing to the list.

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