Received: from localhost (postgresql.org [64.49.215.8]) by postgresql.org (Postfix) with ESMTP id 92B8B475D64 for ; Tue, 3 Sep 2002 18:07:22 -0400 (EDT) Received: from candle.pha.pa.us (momjian.navpoint.com [207.106.42.251]) by postgresql.org (Postfix) with ESMTP id B367E475B99 for ; Tue, 3 Sep 2002 18:07:20 -0400 (EDT) Received: (from pgman@localhost) by candle.pha.pa.us (8.11.6/8.10.1) id g83M72e03006; Tue, 3 Sep 2002 18:07:02 -0400 (EDT) From: Bruce Momjian Message-Id: <200209032207.g83M72e03006@candle.pha.pa.us> Subject: Re: tree structures in sql - my point of view (with request In-Reply-To: <1889.203.145.131.140.1031090394.squirrel@mail.trade-india.com> To: mallah@trade-india.com Date: Tue, 3 Sep 2002 18:07:02 -0400 (EDT) Cc: oleg@sai.msu.su, depesz@depesz.pl, pgsql-sql@postgresql.org X-Mailer: ELM [version 2.4ME+ PL99 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: by AMaViS new-20020517 X-Archive-Number: 200209/20 X-Sequence-Number: 9297 mallah@trade-india.com wrote: > > Yep! ltree is Faaaast , and i use it at the moment. > > But will it work in INGRES,DB2 or ORACLE ? > what if tommorow my boss ask me to use ORACLE? > > I have similar issues in using intarray & arrays in PGSQL > > though reasons of shifting to others dbs are diminishing > with every major release of PG ;-) No it will only work on PostgreSQL. If those other apps had loadable types, you might be able to do it by rewriting the code to match their API. -- 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