Re: max timestamp

Hi Michael,

Try this..

ace=> create table test( mytime timestamp );
CREATE
ace=> insert into test values (now() );
INSERT 1823542 1
ace=> insert into test values (now() );
INSERT 1823543 1
ace=> insert into test values (now()-1);
INSERT 1823544 1
ace=> insert into test values (now()-1);
INSERT 1823545 1
ace=> insert into test values (now()-2);
INSERT 1823546 1
ace=> select * from test;
mytime
----------------------------------
2004-02-16 14:27:15.936368+05:30
2004-02-16 14:27:20.888205+05:30
2004-02-15 00:00:00+05:30
2004-02-15 00:00:00+05:30
2004-02-14 00:00:00+05:30
(5 rows)

ace=> select to_char(mytime,'dd-mm-yyyy'),max(mytime) from test group by 1;
to_char | max
------------+----------------------------------
14-02-2004 | 2004-02-14 00:00:00+05:30
15-02-2004 | 2004-02-15 00:00:00+05:30
16-02-2004 | 2004-02-16 14:27:20.888205+05:30
(3 rows)

HTH

Thanx

Denis

----- Original Message -----
From: "Michael Sterling" <stermic(at)gw(dot)co(dot)jackson(dot)mo(dot)us>
To: <pgsql-sql(at)postgresql(dot)org>
Sent: Tuesday, February 10, 2004 11:44 PM
Subject: [SQL] max timestamp

> i'm trying to get the max time stamp, from each day, of a range of
> dates, not just the max time stamp for the complete range dates but
> for each day.
>
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