[jira] [Created] (LUCENE-6227) Add BooleanClause.Occur.FILTER

["Adrien Grand (JIRA)" <ji...@apache.org>]

Adrien Grand created LUCENE-6227:
------------------------------------

             Summary: Add BooleanClause.Occur.FILTER
                 Key: LUCENE-6227
                 URL: https://issues.apache.org/jira/browse/LUCENE-6227
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Adrien Grand
            Assignee: Adrien Grand
            Priority: Minor
             Fix For: Trunk, 5.1


Now that we have weight-level control of whether scoring is needed or not, we could add a new clause type to BooleanQuery. It would behave like MUST exept that it would not participate to scoring.

Why do we need it given that we already have FilteredQuery? The idea is that by having a single query that performs conjunctions, we could potentially take better decisions. It's not ready to replace FilteredQuery yet as FilteredQuery has handling of random-access filters that BooleanQuery doesn't, but it's a first step towards that direction and eventually FilteredQuery would just rewrite to a BooleanQuery.

I've been calling this new clause type FILTER so far, but feel free to propose a better name.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
For additional commands, e-mail: dev-help@lucene.apache.org