Il 30/08/2012 12.45, Craig Ringer ha scritto:
> On 08/30/2012 05:16 PM, Nicola Cisternino wrote:
>
>> Thus the problem is that " .... collations are implemented using the
>> operating system charset and locale support ... " while, other engines,
>> implements collations internally ..... is it right ?
>
> That's my understanding, but I don't know which other database systems
> you're talking about because you've never specifically named any.
>
> It's entirely possible that some other DBMSs use the system locale and
> collation support with internal downcasing, for example.
>
> All I know, I've already said, but I'm not an expert on Pg's innards.
>
> --
> Craig Ringer
Tahnk you for replay.
At this point, the solution could be a new, custom, operating system
collation .... (something like: en_CI_US.UTF-8) ....