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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-2262) QueryParser should now allow leading '?' wildcards
Date Sat, 13 Feb 2010 19:26:27 GMT
QueryParser should now allow leading '?' wildcards
--------------------------------------------------

                 Key: LUCENE-2262
                 URL: https://issues.apache.org/jira/browse/LUCENE-2262
             Project: Lucene - Java
          Issue Type: Improvement
          Components: QueryParser
    Affects Versions: Flex Branch
            Reporter: Robert Muir
            Assignee: Robert Muir
            Priority: Minor
             Fix For: Flex Branch


QueryParser currently throws an exception if a wildcard term begins with the ? operator.

The docs say this:
{noformat}
When set, * or ? are allowed as the first character of a PrefixQuery and WildcardQuery.
Note that this can produce very slow queries on big indexes. 
{noformat}

In the flex branch, this is no longer true. foo?, ?foo, f?oo, these are all the same from
a performance perspective.

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