Re: How do I make a timestamp column default to current time

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От Tom Lane
Тема Re: How do I make a timestamp column default to current time
Дата
Msg-id 19937.1142541405@sss.pgh.pa.us
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Ответ на Re: How do I make a timestamp column default to current time  ("John D. Burger" <john@mitre.org>)
Ответы Re: How do I make a timestamp column default to current time
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"John D. Burger" <john@mitre.org> writes:
>> mycol timestamp default now()
>> or
>> mycol timestamp default current_timestamp

> And both of these return start time of the current transaction, yes?
> Is it the case that there is no SQL-standard way to get the current
> time?

AFAIK the spec doesn't really define the meaning of current_timestamp
all that closely.  I believe there's a patch in the queue to add some
additional nonstandard functions for current time and start of current
interactive command, though.

            regards, tom lane

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