Re: Wildcard Queries

[Otis Gospodnetic <ot...@yahoo.com>]

No, I don't think this is intentional.  Sounds like a bug.  We should
probably add a unit test for WildcardTermEnum that shows this bug and
then fix it to get the test to pass.

Otis

--- Morus Walter <mo...@tanto-xipolis.de> wrote:
> Hi,
> 
> is it intentional that '?' matches exactly one character within
> wildcard terms but one or zero characters at the end of wildcard
> terms?
> 
> That is:
> r?? matches r ra rab ...
> whereas
> r?b matches rab rbb ... and not rb
> 
> The AFAIK common definition of '*' and '?' (e.g. in unix glob
> pattern) is
> to match exactly one character for '?' independent of it's position.
> 
> I think lucenes behavior comes from WildcarTermEnum.java line 157
> where WILDCARD_CHAR and WILDCARD_STRING are ignored at the end of the
> pattern, if the strings matched so far.
> 
> greetings
> 	Morus
> 
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