Re: insensitive collations

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От Peter Eisentraut
Тема Re: insensitive collations
Дата
Msg-id 784c7289-e7c2-d06f-a4a0-bf98aebd5577@2ndquadrant.com
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Ответ на Re: insensitive collations  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
Ответы Re: insensitive collations
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On 2019-03-08 11:09, Peter Eisentraut wrote:
> On 2019-03-07 20:04, Daniel Verite wrote:
>> With previous versions, we'd need to call ucol_setAttribute(),
>> with the attributes and values defined here:
>> http://icu-project.org/apiref/icu4c/ucol_8h.html
>> for instance to get colStrength=secondary:
>>   ucol_setAttribute(coll, UCOL_STRENGTH , UCOL_SECONDARY, &status);
>> which I've just checked gives the expected result with ICU-4.2.
> 
> I see.  I'm thinking about adding some ad hoc code to
> pg_newlocale_from_collation() to parse these keywords ourselves, so we
> can provide the same interface for old ICU versions.  I'll send a
> separate patch for that.

Patches here.  This will allow all the existing collation customization
options as well as the ones being proposed in this thread to work in
older ICU versions.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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