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https://issues.apache.org/jira/browse/SOLR-8962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15242923#comment-15242923
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Cassandra Targett commented on SOLR-8962:
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Thanks. I put the section you had written to the page
https://cwiki.apache.org/confluence/display/solr/Internal+-+Trunk+Changes+to+Document
so it's not lost forever and we can just put it back for 6.1. Even though that
page says "trunk", I think we could use it for any future feature or
functionality you want to write up some docs for before the Ref Guide is open
for that version.
> Add sort Streaming Expression
> -----------------------------
>
> Key: SOLR-8962
> URL: https://issues.apache.org/jira/browse/SOLR-8962
> Project: Solr
> Issue Type: New Feature
> Reporter: Joel Bernstein
> Assignee: Dennis Gove
> Priority: Critical
> Fix For: master, 6.1
>
> Attachments: SOLR-8962.patch, SOLR-8962.patch
>
>
> 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:
> {code}
> intersect(
> sort(gatherNodes(...), "fieldA asc"),
> sort(gatherNodes(...), "fieldA asc"),
> on)
> {code}
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