QueryParser should now allow leading '?' wildcards
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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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