From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Vince Vielhaber <vev@michvhf.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: PostgreSQL-documentation <pgsql-docs@postgresql.org>
Subject: Re: Use of 'now'
Date: Tue, 13 Nov 2001 22:40:13 -0500 (EST)
Message-ID: <200111140340.fAE3eEw21529@candle.pha.pa.us> (raw)
In-Reply-To: <Pine.BSF.4.40.0111132213030.80302-100000@paprika.michvhf.com>
> > Seems it is still in there somewhere:
> >
> > test=> create table bb (x timestamp default 'current', y int);
> > CREATE
> > test=> insert into bb (y) values (1);
> > INSERT 16591 1
> > test=> select * from bb;
> > x | y
> > -------------------------------+---
> > 2001-11-13 21:45:22.473896-05 | 1
> > (1 row)
> >
> > Do you mean that 'current' is now the same as 'now'? :-)
>
> ISTM that 'current' when used as a default meant the time the table
> was created but now() would (as one woule expect) return the current
> datetime.
You would think so, but in fact 'current' does change for each insert:
test=> create table dd (x timestamp default 'current', y int);
CREATE
test=> insert into dd (y) values (1);
INSERT 16596 1
test=> insert into dd (y) values (1);
INSERT 16597 1
test=> select * from dd;
x | y
-------------------------------+---
2001-11-13 22:39:18.283834-05 | 1
2001-11-13 22:39:19.196797-05 | 1
(2 rows)
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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To: pgsql-docs@postgresql.org
Cc: pgman@candle.pha.pa.us, vev@michvhf.com, tgl@sss.pgh.pa.us
Subject: Re: Use of 'now'
In-Reply-To: <200111140340.fAE3eEw21529@candle.pha.pa.us>
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