DISTINCT not working - varchar

Ivan Smahin ivan_smahin at paradigmasoft.com
Mon Jun 21 08:32:14 CDT 2010


Hello Ivan,

Monday, June 21, 2010, 4:28:42 PM, you wrote:

> Hello Kay,

> Monday, June 21, 2010, 4:20:37 PM, you wrote:

>> Ivan,

>> thanks so much for the quick response. Now I see I find my self
>> between a rock and a hard place! As I'm using V4Rev, the Rev User Manual says this:

>> 6.4.6    Manipulating Unicode – Using UTF-8
>> While Revolution fields support display of Unicode in UTF-16,
>> Revolution’s chunk expressions are currently not aware of Unicode.
>> Support is planned in the future. At present you should write your
>> own functions to process Unicode text.

>> Important: We recommend you use UTF-8 in your application whenever you want to
>> store or manipulate Unicode data. UTF-8 has the advantage that it preserves ASCII
>> punctuation. This means that you can still use the word, item and line chunk expressions
>> to manipulate UTF-8. You cannot use the character chunk as that will return individual
>> bytes.

>> Looks like I'm going to need to write some function to handle
>> Unicode - there's no point using Rev if you can't use chunk expressions:-(

>> Thanks also for the conversion How Too, worked perfectly, now I can DISTINCT:-)

 No - you should NOT do any special preparation.
...





-- 
Best regards,
Ivan Smahin 
Senior Software Engineer
Paradigma Software, Inc
Valentina - The Ultra-Fast Database
http://www.valentina-db.com



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