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From "Jason Gerlowski (Jira)" <j...@apache.org>
Subject [jira] [Created] (SOLR-13890) Add postfilter support to {!terms} queries
Date Mon, 04 Nov 2019 15:28:00 GMT
Jason Gerlowski created SOLR-13890:
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             Summary: 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


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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