X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 68B8853186 for ; Sun, 14 Aug 2005 21:38:02 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 11850-08 for ; Mon, 15 Aug 2005 00:38:00 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id 4BEF153180 for ; Sun, 14 Aug 2005 21:38:00 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.1/8.13.1) with ESMTP id j7F0c0t3005060; Sun, 14 Aug 2005 20:38:00 -0400 (EDT) To: "Petr Kavan" Cc: pgsql-performance@postgresql.org Subject: Re: How many views is ok? In-reply-to: <001a01c59f0a$8e8d9560$de01a8c0@kavan> References: <001a01c59f0a$8e8d9560$de01a8c0@kavan> Comments: In-reply-to "Petr Kavan" message dated "Fri, 12 Aug 2005 08:53:33 +0200" Date: Sun, 14 Aug 2005 20:38:00 -0400 Message-ID: <5059.1124066280@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.006 required=5 tests=[AWL=0.006] X-Spam-Level: X-Archive-Number: 200508/148 X-Sequence-Number: 13895 "Petr Kavan" writes: > Possibility is to create a view for each employee that chooses only his data > and give employee privileges to this view. But I am not sure if such number > of views does not have some performance drawbacks or even if postgre can > support it (I expect i can). Do you really need more than one view? I'd consider something like create view emp_view as select * from emp where name = current_user; This requires that your Postgres usernames match up with something in the underlying table, of course. regards, tom lane