Re: [despammed] Query two database at once
От | Andreas Kretschmer |
---|---|
Тема | Re: [despammed] Query two database at once |
Дата | |
Msg-id | 20050502175141.GP5962@webserv.wug-glas.de обсуждение исходный текст |
Ответ на | Query two database at once (Stéphane RIFF <stephane.riff@cerene.fr>) |
Список | pgsql-sql |
am 02.05.2005, um 17:36:05 +0200 mailte Stéphane RIFF folgendes: > Hi, > > I want to ewecute a query on two database like this : > > SELECT * FROM table01 T1, table02 T2 WHERE T1.gid=T2.gid AND > T2.my_field='".$value."' > > The problem is that table01 is in a different database than table02 and i > don't know how to telle postgresql > to look in two db. > Is there a solution other than execute two query ? The answer is: yes and no. No: PG can't connect to two databases and do a select across. Yes: take a look at the contrib on dblink. You should look in the archiv of the list, Tom Lane and other people described the way with dblink in the past. Andreas -- Andreas Kretschmer (Kontakt: siehe Header) Heynitz: 035242/47212, D1: 0160/7141639 GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net=== Schollglas Unternehmensgruppe ===
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