David E. Wheeler wrote:
> On Jul 7, 2008, at 00:46, Zdenek Kotala wrote:
>
>> You have to use varstr_cmp  in citextcmp. Your code is correct,  
>> because for
>> < <= >= > operators you need collation sensible function.
>>
>> You need to change only citext_cmp function to use strncmp() or call  
>> texteq function.
>
> I'm confused. What's the difference between strncmp() and varstr_cmp()? 
> And why would I use one in one place and the other elsewhere? Shouldn't 
> they be used consistently?

Not necessarily -- see texteq.  I think the point is that varstr_cmp()
is a lot slower.

>> I'm think that this test will work correctly for en_US.UTF-8 at any  
>> time. I guess the test make sense only when Czech collation  
>> (cs_CZ.UTF-8) is selected, but unfortunately, you cannot change  
>> collation during your test :(.
>
> No, I was wondering before what locale was used for initdb on the build 
> farm. I mean, how are locale-aware things really tested?

They aren't AFAIK.


-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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