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https://issues.apache.org/jira/browse/SOLR-8936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-8936:
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Fix Version/s: 6.1
> Push down the DISTINCT operation into the /export handler, to support
> exporting distinct edges during a graph traversal
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-8936
> URL: https://issues.apache.org/jira/browse/SOLR-8936
> Project: Solr
> Issue Type: New Feature
> Reporter: Joel Bernstein
> Fix For: 6.1
>
>
> The /export handler sorts all results by specified fields as it streams out
> results. We can use the sort order to perform a reduce style distinct
> operation as docs are being sent out.
> This can be used in the SQL handler, effectively removing the need for
> map_reduce mode SELECT DISTINCT operations.
> But the primary driver for this is to export distinct edges during a graph
> traversal, which will eliminate a huge amount of network traffic during large
> traversals.
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