X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [64.117.224.130]) by svr1.postgresql.org (Postfix) with ESMTP id A8058D1B51C for ; Mon, 29 Sep 2003 17:55:20 +0000 (GMT) Received: from svr1.postgresql.org ([64.117.224.193]) by localhost (neptune.hub.org [64.117.224.130]) (amavisd-new, port 10024) with ESMTP id 35771-07 for ; Mon, 29 Sep 2003 14:54:53 -0300 (ADT) Received: from candle.pha.pa.us (momjian.navpoint.com [207.106.42.251]) by svr1.postgresql.org (Postfix) with ESMTP id 10F92D1B548 for ; Mon, 29 Sep 2003 14:54:51 -0300 (ADT) Received: (from pgman@localhost) by candle.pha.pa.us (8.11.6/8.11.6) id h8THsmK08178; Mon, 29 Sep 2003 13:54:48 -0400 (EDT) From: Bruce Momjian Message-Id: <200309291754.h8THsmK08178@candle.pha.pa.us> Subject: Re: does postgresql execute unions in parallel? In-Reply-To: To: teknokrat@yahoo.com Date: Mon, 29 Sep 2003 13:54:48 -0400 (EDT) Cc: pgsql-sql@postgresql.org X-Mailer: ELM [version 2.4ME+ PL106 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: by amavisd-new at postgresql.org X-Archive-Number: 200309/404 X-Sequence-Number: 15382 teknokrat wrote: > If I have several selects joined with unions does postgresql execute the > concurrently or not? No. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073