David Smiley created LUCENE-6727:
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Summary: ValueSourceScorer (used in VS range queries) ought to
honor FV.exists
Key: LUCENE-6727
URL: https://issues.apache.org/jira/browse/LUCENE-6727
Project: Lucene - Core
Issue Type: Improvement
Reporter: David Smiley
(discussion split off from LUCENE-6720)
ValueSourceScorer is an abstract scorer based on a ValueSource; notably it's
returned by FunctionValues.getRangeScorer. None of the implementations
consider FunctionValues.exist(doc). It really ought to. DocValuesRangeQuery
does.
Perhaps this should be based on the ValueFillter/MutableValue API. It
optimizes existence & value fetching in one fetch when possible. Furthermore,
it might be possible to have a common range query check without doing it
per-type?
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