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Posted to issues@lucene.apache.org by "David Smiley (Jira)" <ji...@apache.org> on 2021/04/26 23:36:00 UTC

[jira] [Created] (LUCENE-9938) ConjunctionDISI should recognize DocIdSetIterator.all

David Smiley created LUCENE-9938:
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             Summary: ConjunctionDISI should recognize DocIdSetIterator.all
                 Key: LUCENE-9938
                 URL: https://issues.apache.org/jira/browse/LUCENE-9938
             Project: Lucene - Core
          Issue Type: Improvement
          Components: core/search
            Reporter: David Smiley


ConjunctionDISI creates an aggregation of some leaf DocIdSetIterators & TwoPhaseIterators.  It's not uncommon for DocIdSetIterator.all(...) to wind up inside it, producing an aggregation that is a little more bulky than it needs be.  This can happen frequently with the ValueSource APIs which have queries like FunctionMatchQuery that use this for the "approximation" alongside a TwoPhaseIterator.



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