Shai Erera created LUCENE-4580:
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Summary: Facet DrillDown should return a Filter not Query
Key: LUCENE-4580
URL: https://issues.apache.org/jira/browse/LUCENE-4580
Project: Lucene - Core
Issue Type: Improvement
Components: modules/facet
Reporter: Shai Erera
Priority: Minor
DrillDown is a helper class which the user can use to convert a facet value
that a user selected into a Query for performing drill-down or narrowing the
results. The API has several static methods that create e.g. a Term or Query.
Rather than creating a Query, it would make more sense to create a Filter I
think. In most cases, the clicked facets should not affect the scoring of
documents. Anyway, even if it turns out that it must return a Query (which I
doubt), we should at least modify the impl to return a ConstantScoreQuery.
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