Re: Cast timestamptz to/from integer?

Поиск
Список
Период
Сортировка
От Bartosz Dmytrak
Тема Re: Cast timestamptz to/from integer?
Дата
Msg-id CAD8_UcZXO16KHrL8LMyphwzsXCb31L3=dhjVHKNb_+QKvr-1aw@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Cast timestamptz to/from integer?  (Chris Angelico <rosuav@gmail.com>)
Список pgsql-general
Дерево обсуждения
There is a build in function which encapsulates that statement:

SELECT to_timestamp (982384720);

EXPLAIN ANALYZE shows:
Result  (cost=0.00..0.01 rows=1 width=0) (actual time=0.002..0.003 rows=1 loops=1)

so this looks cheap

Regards,
Bartek


2012/4/3 Chris Angelico <rosuav@gmail.com>
On Tue, Apr 3, 2012 at 7:11 PM, Bartosz Dmytrak <bdmytrak@gmail.com> wrote:
> I think You can use epoch
> there is an
> example: http://www.postgresql.org/docs/9.1/static/functions-datetime.html
>
>
> SELECT TIMESTAMP WITH TIME ZONE 'epoch' + 982384720.12 * INTERVAL '1
> second';

Yep, but when you do that a lot, your statement gets extremely long. I
can create a function that'll hide the mess away, but what I'm hoping
to do is simply cast:

SELECT 982384720::timestamptz;

ChrisA

--
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

В списке pgsql-general по дате отправления:

Предыдущее
От: Chris Angelico
Дата:
Сообщение: Re: Cast timestamptz to/from integer?
Следующее
От: Ronan Dunklau
Дата:
Сообщение: Re: User-defined Aggregate function and performance.