add spanquery support for all multitermqueries ----------------------------------------------
Key: LUCENE-2754 URL: https://issues.apache.org/jira/browse/LUCENE-2754 Project: Lucene - Java Issue Type: New Feature Components: Search Reporter: Robert Muir Fix For: 4.0 Attachments: LUCENE-2754.patch I set fix version: 4.0, but possibly we could do this for 3.x too Currently, we have a special SpanRegexQuery in contrib, and issues like LUCENE-522 open for SpanFuzzyQuery. The SpanRegexQuery in contrib is a little messy additionally. For any arbitrary MultiTermQueries to work as a SpanQuery, there are only 3 requirements: # The un-rewritten query must extend SpanQuery so it can be included in Span clauses # The rewritten query should be SpanOrQuery instead of BooleanQuery # The rewritten term clauses should be SpanTermQueries. Instead of having logic like this for each query, i suggest adding two rewrite methods: * ScoringSpanBoolean rewrite * TopTermsSpanBoolean rewrite as a start i wrote these up, and added a SpanMultiTermQueryWrapper that can be used to wrap any multitermquery this way. there are a few kinks, but I think the MTQ policeman can probably help get through them. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org