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From "Michael Busch (JIRA)" <>
Subject [jira] Created: (LUCENE-1823) QueryParser with new features for Lucene 3
Date Tue, 18 Aug 2009 23:10:16 GMT
QueryParser with new features for Lucene 3

                 Key: LUCENE-1823
             Project: Lucene - Java
          Issue Type: New Feature
          Components: QueryParser
            Reporter: Michael Busch
            Assignee: Michael Busch
            Priority: Minor
             Fix For: 3.1

I'd like to have a new QueryParser implementation in Lucene 3.1, ideally based on the new
QP framework in contrib. It should share as much code as possible with the current StandardQueryParser
implementation for easy maintainability.

Wish list (feel free to extend):

1. Operator precedence: Support operator precedence for boolean operators
2. Opaque terms: Ability to plugin an external parser for certain syntax extensions, e.g.
XML query terms
3. Improved RangeQuery syntax: Use more intuitive <=, =, >= instead of [] and {}
4. Support for trierange queries: See LUCENE-1768
5. Complex phrases: See LUCENE-1486
6. ANY operator: E.g. (a b c d) ANY 3 should match if 3 of the 4 terms occur in the same document
7. New syntax for Span queries: I think the surround parser supports this?
8. Escaped wildcards: see LUCENE-588

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