Re: Ryu floating point output patch

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От Robert Haas
Тема Re: Ryu floating point output patch
Дата
Msg-id CA+TgmoaMioM1OVwkY1z7h3xkPn5nPHSYwhD1kt607ZKXCWeOAQ@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Ryu floating point output patch  (Andres Freund <andres@anarazel.de>)
Список pgsql-hackers
On Fri, Jan 11, 2019 at 1:40 PM Andres Freund <andres@anarazel.de> wrote:
> It'd potentially change data between an non-ryu->{ryu,non-ryu} and
> ryu->ryu versions, for dumps that didn't specify extra_float_digits =
> 3. But that'd not be pg_dump, and already broken previously, so I don't
> have particularly much sympathy?

Agreed.

> And of course it'd change the dump's text contents between ryu and
> non-ryu backends even with extra_float_digits = 3, but the resulting
> floats ought to be the same. It's just that ryu is better at figuring
> out what the minimal text representation is than the current code.

wfm.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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