Re: Selecting the most recent date
От | Dennis Gearon |
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Тема | Re: Selecting the most recent date |
Дата | |
Msg-id | 3EAD71E8.4090807@cvc.net обсуждение исходный текст |
Ответ на | Re: Selecting the most recent date ("Jay O'Connor" <joconnor@cybermesa.com>) |
Список | pgsql-general |
that assumes all dates are older than today, which they man not be. What if it's for an appointment system? Jay O'Connor wrote: > On 2003.04.28 10:26 Mark Tessier wrote: > >>Hi, >> >>My question is hopefully a simple one: If I have several rows, each >>containing a date field, and I want to select the row that has the date >>closest to today's date, what would be the syntax for carrying that out. > > > > Unless I misunderstand, it should be just a matter of an ORDER BY clause in > reverse order with a LIMIT BY clause to limit yuorself to the highest > result > > SELECT * from myyable ORDER BY datefield DESC LIMIT 1; > > DESC means to using a descending sorta order (versus "ASC") > LIMIT 1 means how many rows you want returned > > Take care, > Jay > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/docs/faqs/FAQ.html >
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