Range Queries fail for MaSearchStringIndex when using Umlauts

[Udo Schneider]

Chris,

thanks alot for the confirmation. I'm using now which is working fine. 
Next thing to do is a Phonetic Index ... but that's a different story :-)

Best Regards,

Udo



On 13.10.10 21:56, Chris Muller wrote:
> Hi Udo, yes, the index-types that come included with Magma are ASCII
> only.  They are just "working-examples" of how such index-types can be
> written, which may be used by application designers who need more to
> help create their own subclass of MagmaCollectionIndex.
>
>   - Chris
>
> On Wed, Oct 13, 2010 at 2:22 PM, Udo Schneider
> <udo.schneider at homeaddress.de>  wrote:
>> All,
>>
>> I'm currently using Magma to perform a prefix search on City names. I found
>> out that this fails if the string contains umlauts or, to be more precise,
>> if the last given char is not Ascii.
>>
>> E.g.
>> myCollection where: [ :reader | reader read: #city from: 'Me' to: 'Me'
>> maAlphabeticalNext]
>> works fine. Changing the prefix to 'Mü' fails (no result).
>>
>> I assume that this is somehow connected to a) maAlphabeticalNext and b) the
>> "allowed" characters for MaSearchStringIndex (BTW: #beAscii doesn't help
>> here). I'm currently using MaByteSequenceIndex to circumvent the problem but
>> I am not sure whether this is the intention.
>>
>> I attached a Testcase which shows the problem.
>>
>> Thanks,
>>
>> Udo
>>
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>>