Re: max timestamp
От | Denis |
---|---|
Тема | Re: max timestamp |
Дата | |
Msg-id | 00b001c3f46a$f9101f80$0f32a8c0@denisnew обсуждение исходный текст |
Ответ на | max timestamp (stermic@gw.co.jackson.mo.us (Michael Sterling)) |
Список | pgsql-sql |
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+05:302004-02-16 14:27:20.888205+05:302004-02-15 00:00:00+05:302004-02-1500:00:00+05:302004-02-14 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+05:3015-02-2004 | 2004-02-15 00:00:00+05:3016-02-2004| 2004-02-16 14:27:20.888205+05:30 (3 rows) HTH Thanx Denis ----- Original Message ----- From: "Michael Sterling" <stermic@gw.co.jackson.mo.us> To: <pgsql-sql@postgresql.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. > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/docs/faqs/FAQ.html
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