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https://issues.apache.org/jira/browse/SOLR-8925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-8925:
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Summary: Add gatherNodes Streaming Expression to support breadth first
traversals (was: Add gatherNodes Streaming Expression to breadth first
traversals)
> Add gatherNodes Streaming Expression to support breadth first traversals
> ------------------------------------------------------------------------
>
> Key: SOLR-8925
> URL: https://issues.apache.org/jira/browse/SOLR-8925
> Project: Solr
> Issue Type: New Feature
> Reporter: Joel Bernstein
>
> The gatherNodes Streaming Expression is flexible general purpose breadth
> first graph traversal. It uses the same parallel join under the covers to
> perform the dis
> Sample syntax:
> {code}
> gatherNodes(friends,
> gatherNodes(friends
> search(articles,
> q=“body:(query 1)”, fi=“author”),
>
> from=“author”,
> walk ="user->friend”),
> from=“friend”,
> walk=“user -> friend”,
> scatter=“branches, leaves”)
> {code}
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