Re: [GENERAL] PG-10 + ICU and abbreviated keys
От | Andreas Joseph Krogh |
---|---|
Тема | Re: [GENERAL] PG-10 + ICU and abbreviated keys |
Дата | |
Msg-id | VisenaEmail.57.761d918d5ec1bd06.15fb7243e9d@tc7-visena обсуждение исходный текст |
Ответ на | Re: [GENERAL] PG-10 + ICU and abbreviated keys (Peter Geoghegan <pg@bowt.ie>) |
Ответы |
Re: [GENERAL] PG-10 + ICU and abbreviated keys
|
Список | pgsql-general |
På mandag 13. november 2017 kl. 21:46:08, skrev Peter Geoghegan <pg@bowt.ie>:
On Mon, Nov 13, 2017 at 12:40 PM, Peter Geoghegan <pg@bowt.ie> wrote:
>> Do I have to explicitly specify collation when using ORDER by on that column for index and abbreviated keys to be used?
>
> Only if you didn't define the column with a per-column collation initially.
BTW, if you specifically want to quickly verify whether or not
abbreviated keys were used, you can do that by setting "trace_sort =
on", and possibly setting "client_min_messages = LOG", too.
There should be quite a bit of debug output from that that
specifically mentions abbreviated keys.
Thanks.
--
Andreas Joseph Krogh
CTO / Partner - Visena AS
Mobile: +47 909 56 963
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