Re: PostgreSQL catalog
От | Thalis A. Kalfigopoulos |
---|---|
Тема | Re: PostgreSQL catalog |
Дата | |
Msg-id | Pine.LNX.4.21.0202151559120.11314-100000@aluminum.cs.pitt.edu обсуждение исходный текст |
Ответ на | PostgreSQL catalog (f2160528@est.fib.upc.es) |
Список | pgsql-general |
On Fri, 15 Feb 2002 f2160528@est.fib.upc.es wrote: > Hi everybody, > > I need to access to PostgreSQL catalog in order > to obtain the maximum and the minimum values of > a relation. > > Does anyone know how to do this from a C > program??? > > Thanks in advance. > > David. I'ts sort of vague what you mean by "max/min value of a relation". If you mean the "max/min value of an attribute of a relation",then no need to access the catalog. It's pure SQL, and to do it through a C program, read about embeded SQL andits preprocessor at: http://www.postgresql.org/idocs/index.php?ecpg.html cheers, thalis > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/users-lounge/docs/faq.html >
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