Re: Does the POSITION() function takes into account the COLLATION... or not ?!?

Поиск
Список
Период
Сортировка
Искать
От
Pierre-Aurélien GEORGES
Тема
Re: Does the POSITION() function takes into account the COLLATION... or not ?!?
Дата
Msg-id
ead8dcb5-e1c0-174f-c609-61843f9fa1de@univ-cotedazur.fr
Ответ на
Список
Дерево обсуждения
Does the POSITION() function takes into account the COLLATION... or not ?!? PG Doc comments form <noreply@postgresql.org>
Re: Does the POSITION() function takes into account the COLLATION... or not ?!? Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Re: Does the POSITION() function takes into account the COLLATION... or not ?!? Pierre-Aurélien GEORGES <Pierre-Aurelien.GEORGES@univ-cotedazur.fr>
Re: Does the POSITION() function takes into account the COLLATION... or not ?!? Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Re: Does the POSITION() function takes into account the COLLATION... or not ?!? "David G. Johnston" <david.g.johnston@gmail.com>
Re: Does the POSITION() function takes into account the COLLATION... or not ?!? Tom Lane <tgl@sss.pgh.pa.us>
ok, let's take it forwards, then :-)

Can someone provide some examples where a supported deterministic 
collation is having an impact on the result of a call to function 
POSITION() ?

(as I said in my message, examples would be greatly appreciated)


Le 16/02/2022 à 11:56, Peter Eisentraut a écrit :
> On 15.02.22 17:17, PG Doc comments form wrote:
>> Does the POSITION() function pretends taking into account the 
>> COLLATION ??
>> or not ??
>>
>> - If not, then why the hell is there this error message about
>> nondeterministic collations while the POSITION() doesn't care at all 
>> about
>> the COLLATION...
>> - If yes, then the first 6 lines of SQL above are returning the wrong
>> value... (are there any specific technical limitations here ?)
>
> I think you have that backwards.  Your examples would only succeed if 
> POSITION() supported nondeterministic collations, but it doesn't.


В списке pgsql-docs по дате отправления
От: Peter Eisentraut
Дата:
От: Peter Eisentraut
Дата:
FAQ