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Posted to issues@lucene.apache.org by "Jason Gerlowski (Jira)" <ji...@apache.org> on 2020/03/02 16:40:00 UTC
[jira] [Resolved] (SOLR-13890) Add postfilter support to {!terms}
queries
[ https://issues.apache.org/jira/browse/SOLR-13890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Gerlowski resolved SOLR-13890.
------------------------------------
Fix Version/s: 8.5
master (9.0)
Resolution: Fixed
> Add postfilter support to {!terms} queries
> ------------------------------------------
>
> Key: SOLR-13890
> URL: https://issues.apache.org/jira/browse/SOLR-13890
> Project: Solr
> Issue Type: Improvement
> Components: query parsers
> Affects Versions: master (9.0)
> Reporter: Jason Gerlowski
> Assignee: Jason Gerlowski
> Priority: Major
> Fix For: master (9.0), 8.5
>
> Attachments: SOLR-13890.patch, SOLR-13890.patch, SOLR-13890.patch, SOLR-13890.patch, SOLR-13890.patch, SOLR-13890.patch, Screen Shot 2020-01-02 at 2.25.12 PM.png, post_optimize_performance.png, toplevel-tpi-perf-comparison.png
>
> Time Spent: 5h
> Remaining Estimate: 0h
>
> There are some use-cases where it'd be nice if the "terms" qparser created a query that could be run as a postfilter. Particularly, when users are checking for hundreds or thousands of terms, a postfilter implementation can be more performant than the standard processing.
> WIth this issue, I'd like to propose a post-filter implementation for the {{docValuesTermsFilter}} "method". Postfilter creation can use a SortedSetDocValues object to populate a DV bitset with the "terms" being checked for. Each document run through the post-filter can look at their doc-values for the field in question and check them efficiently against the constructed bitset.
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