Re: max question
От | Dinesh Pandey |
---|---|
Тема | Re: max question |
Дата | |
Msg-id | 20050413050528.1C639533A8@svr1.postgresql.org обсуждение исходный текст |
Ответ на | max question ("A. R. Van Hook" <hook@lake-lotawana.mo.us>) |
Список | pgsql-sql |
Try "select oid,* from ccontinue where citkey ='04-0594703' group by oid,citkey,contby,contdate,abcontinue,ccdate having contdate= max(contdate)" Thanks Dinesh Pandey -----Original Message----- From: pgsql-sql-owner@postgresql.org [mailto:pgsql-sql-owner@postgresql.org] On Behalf Of A. R. Van Hook Sent: Tuesday, April 12, 2005 10:54 PM To: pgsql-sql@postgresql.org Subject: [SQL] max question I have the following in a table: oid | citkey | contby | contdate | abcontinue | ccdate ---------+------------+----------+------------+------------+------------5774835 | 04-0594703 | | | |5775325 | 04-0594703 | Attorney | 04/06/2005 | 6 | 03/07/20055776060 | 04-0594703 | Attorney | 05/04/2005| 6 | 04/05/20055776067 | 04-0594703 | Attorney | 05/04/2005 | 6 | 04/05/2005 I am trying to pull rows that have the max. contdate. Why does the following give more than 2 rows?ql "select oid,* from ccontinue where citkey ='04-0594703' group by oid,citkey,contby,contdate,abcontinue,ccdate having max(contdate) = contdate" oid | citkey | contby | contdate | abcontinue | ccdate ---------+------------+----------+------------+------------+------------5776067 | 04-0594703 | Attorney | 05/04/2005 | 6 | 04/05/20055775325 | 04-0594703 | Attorney | 04/06/2005 | 6 | 03/07/20055776060 | 04-0594703 | Attorney| 05/04/2005 | 6 | 04/05/2005 (3 rows) thanks ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
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