X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.2]) by svr1.postgresql.org (Postfix) with ESMTP id 962ACD1B50A for ; Mon, 17 Nov 2003 04:50:31 +0000 (GMT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (neptune.hub.org [200.46.204.2]) (amavisd-new, port 10024) with ESMTP id 83060-08 for ; Mon, 17 Nov 2003 00:50:00 -0400 (AST) Received: from news.hub.org (news.hub.org [200.46.204.72]) by svr1.postgresql.org (Postfix) with ESMTP id DF475D1B53A for ; Mon, 17 Nov 2003 00:49:59 -0400 (AST) Received: from news.hub.org (news.hub.org [200.46.204.72]) by news.hub.org (8.12.9/8.12.9) with ESMTP id hAH4nWNw023172 for ; Mon, 17 Nov 2003 04:49:59 GMT (envelope-from news@news.hub.org) Received: (from news@localhost) by news.hub.org (8.12.9/8.12.9/Submit) id hAH4Z4Za021679 for pgsql-sql@postgresql.org; Mon, 17 Nov 2003 04:35:04 GMT From: "Randolf Richardson, DevNet SysOp 29" X-Newsgroups: comp.databases.postgresql.sql Subject: Re: Oracle 'connect by prior' now eaiser in 7.3? Date: Mon, 17 Nov 2003 04:35:04 +0000 (UTC) Organization: Inter-Corporate Computer & Network Services, Inc. Lines: 19 Message-ID: References: <3F6FC51F.6090105@joeconway.com> X-Complaints-To: usenet@news.hub.org User-Agent: Xnews/5.04.25 X-Face: +kXh]8'{:R`HzXla-aT~$s8a+C)k/B%RBr$_3sP`[kA}cl7#mD^9Z:oM`HpoC_kUEH['RZ*Ob%pz\ww^q&x)~zc`.xd]VQ4WN/3t2nS-BvI%LF\B4:\9$EI:/|<)`?8I_; xzG@SOYFir/gk_eB4"Rl43-h%)8O0sR$b&Mp3XHR(0j= X-Face-Author: Randolf Richardson (composed with Adobe Photoshop) To: pgsql-sql@postgresql.org X-Virus-Scanned: by amavisd-new at postgresql.org X-Archive-Number: 200311/224 X-Sequence-Number: 16039 [sNip] > See connectby() in contrib/tablefunc. Someone was working on SQL99 > recursive queries but it didn't get done for 7.4 -- perhaps it will be > in 7.5. In the meantime, connectby() is in 7.3 and might work for you. Oracle 8i doesn't seem to have any special indexing to handle this efficiently. Do you happen to know if PostgreSQL will have a special indexing option for this feature? If it does, it will very likely provide a major performance advantage over Oracle. -- Randolf Richardson - rr@8x.ca Inter-Corporate Computer & Network Services, Inc. Vancouver, British Columbia, Canada http://www.8x.ca/ This message originated from within a secure, reliable, high-performance network ... a Novell NetWare network.