Return-Path: owner-postman Received: from localhost.Berkeley.EDU (localhost.Berkeley.EDU [127.0.0.1]) by nobozo.CS.Berkeley.EDU (8.6.9/8.6.3) with SMTP id KAA17491 for postgres-redist; Wed, 14 Sep 1994 10:34:32 -0700 Resent-From: POSTGRES mailing list Resent-Message-Id: <199409141734.KAA17491@nobozo.CS.Berkeley.EDU> Sender: owner-postman@postgres.Berkeley.EDU X-Return-Path: owner-postman Received: from localhost.Berkeley.EDU (localhost.Berkeley.EDU [127.0.0.1]) by nobozo.CS.Berkeley.EDU (8.6.9/8.6.3) with SMTP id KAA17479; Wed, 14 Sep 1994 10:34:31 -0700 Message-Id: <199409141734.KAA17479@nobozo.CS.Berkeley.EDU> X-Authentication-Warning: nobozo.CS.Berkeley.EDU: Host localhost.Berkeley.EDU didn't use HELO protocol From: aoki@cs.berkeley.edu (Paul M. Aoki) To: bfroehli@AWI-Bremerhaven.DE (Bernd Froehlich) Cc: postgres@postgres.Berkeley.EDU Subject: Re: Number of instances Reply-To: aoki@cs.berkeley.edu (Paul M. Aoki) In-reply-to: Your message of Wed, 14 Sep 94 15:43:25 +0200 <9409141343.AA06321@edvs1.awi-bremerhaven.de> Date: Wed, 14 Sep 94 10:34:31 -0700 X-Sender: aoki@postgres.Berkeley.EDU Resent-To: postgres-redist@postgres.Berkeley.EDU X-Mts: smtp Resent-Date: Wed, 14 Sep 94 10:34:32 -0700 Resent-XMts: smtp bfroehli@AWI-Bremerhaven.DE (Bernd Froehlich) writes: > I'm sure there is a way to get the number of instances in a class. > Unfortunately I don't know it. Who can give me a hint? the section in the reference manual on built-in functions describes the built-in aggregates (such as they are). retrieve (x = count{foo.oid}) -- Paul M. Aoki | University of California at Berkeley aoki@CS.Berkeley.EDU | Dept. of EECS, Computer Science Division (#1776) | Berkeley, CA 94720-1776 ============================================================================== To add/remove yourself to/from the POSTGRES mailing list: send mail with the subject line ADD or DEL to "postgres-request@postgres.Berkeley.EDU" If this fails, send mail to "post_questions@postgres.Berkeley.EDU" and a human will deal with it. DO NOT post to the "postgres" mailing list. ==============================================================================