Re: Can't figure out how to use now() in default for tsrange column (PG 9.2)

Поиск
Список
Период
Сортировка
От Tom Lane
Тема Re: Can't figure out how to use now() in default for tsrange column (PG 9.2)
Дата
Msg-id 29175.1342365599@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Can't figure out how to use now() in default for tsrange column (PG 9.2)  (Chris Bartlett <c.bartlett@paradise.net.nz>)
Список pgsql-general
Chris Bartlett <c.bartlett@paradise.net.nz> writes:
> I'm trying to set [now(), 2049-12-31 00:00:00) as the default for a
> tsrange column (Postgres 9.2), but can't figure out how to do it. I'm
> either getting syntax errors or now() is being evaluated, so that the
> default becomes something like [2012-07-14 14:04:35, 2049-12-31
> 00:00:00), which is not what I want. Can anyone point me in the right
> direction, please?

I think you'd need to use the constructor function, ie

    default tsrange(now(), '2049-12-31 00:00:00')

BTW, that second value looks a whole lot like a poorly thought out
substitute for 'infinity' ...

            regards, tom lane

В списке pgsql-general по дате отправления:

Предыдущее
От: Chris Bartlett
Дата:
Сообщение: Can't figure out how to use now() in default for tsrange column (PG 9.2)
Следующее
От: Bartosz Dmytrak
Дата:
Сообщение: Re: PostgreSQL limitations question