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From "Joel Bernstein (JIRA)" <>
Subject [jira] [Created] (SOLR-8962) Add sort Streaming Expression
Date Sat, 09 Apr 2016 13:53:25 GMT
Joel Bernstein created SOLR-8962:

             Summary: Add sort Streaming Expression
                 Key: SOLR-8962
             Project: Solr
          Issue Type: New Feature
            Reporter: Joel Bernstein
            Priority: Critical

The sort Streaming Expression does an in memory sort of the Tuples returned by it's underlying
stream. This is intended to be used for sorting sets gathered during local graph traversals.
This will make it easy to gather sets during a traversal and use all of the sort based set
operations (merge, innerJoin, outerJoin, reduce, complement, intersect). 

This will be particularly useful with the gatherNodes expression (SOLR-8925). Sample syntax:

       sort(gatherNodes(), "fieldA asc"),
       sort(gatherNodes(), "fieldA asc),

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