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From "Joel Bernstein (JIRA)" <j...@apache.org>
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
                 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


The *cat* expression concatenates streams. Sample syntax:

{code}
cat(expr,expr, ...)
{code}

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

{code}
list(name, expr)
{code}

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





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