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https://issues.apache.org/jira/browse/SOLR-13890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gerlowski updated SOLR-13890:
-----------------------------------
Attachment: SOLR-13890.patch
Status: Open (was: Open)
Attaching a revised patch with some tests. I also tried to add some
clarification to the "terms" coverage in the ref-guide around how each "method"
scales, and when it might be good to use each one. (I don't really know
anything about the "automaton" method though...I wonder if David Smiley knows
anything about when its best to use that method. It looks like he added that
back in the day).
Anyway, this is getting closer to being commit-ready.
> Add postfilter support to {!terms} queries
> ------------------------------------------
>
> Key: SOLR-13890
> URL: https://issues.apache.org/jira/browse/SOLR-13890
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: query parsers
> Affects Versions: master (9.0)
> Reporter: Jason Gerlowski
> Assignee: Jason Gerlowski
> Priority: Major
> Attachments: SOLR-13890.patch, SOLR-13890.patch
>
>
> 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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