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https://issues.apache.org/jira/browse/SOLR-16162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SOLR-16162:
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Labels: pull-request-available (was: )
> FilterQuery (`filter([some_query])`) should implement DocSetProducer
> --------------------------------------------------------------------
>
> Key: SOLR-16162
> URL: https://issues.apache.org/jira/browse/SOLR-16162
> Project: Solr
> Issue Type: Improvement
> Components: query parsers
> Affects Versions: main (10.0)
> Reporter: Michael Gibney
> Assignee: Michael Gibney
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> There is a substantial practical reason for FilterQuery to implement
> DocSetProducer: the way FilterQuery works, it only consults the cache
> internally for the backing query; the cache is never directly consulted for
> the FilterQuery _per se_. As a consequence, when FilterQuery is used in a
> context that wants a DocSet, currently (without implementing DocSetProducer),
> a full clone of the cached DocSet must always be built via the Weight
> returned by FilterQuery.createWeight(). Implementing DocSetProducer allows to
> avoid superfluous DocSet creation.
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