Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id 9C8EC1337999 for ; Thu, 2 Dec 2010 03:32:15 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 58466-01 for ; Thu, 2 Dec 2010 07:32:08 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from fe3.vsnl.net (fe3.vsnl.net [203.200.235.173]) by mail.postgresql.org (Postfix) with ESMTP id EBCC6133740B for ; Thu, 2 Dec 2010 03:32:06 -0400 (AST) Received: from vsnl.net ([172.16.28.44]) by fe3.internal.vsnl.net (vsnl mail server fe3) with ESMTP id <0LCS00H76I4JBRC0@fe3.internal.vsnl.net> for pgsql-hackers@postgresql.org; Thu, 02 Dec 2010 12:59:07 +0530 (IST) Received: from [172.16.28.177] (Forwarded-For: [117.195.35.71]) by store3.internal.vsnl.net (mshttpd); Thu, 02 Dec 2010 12:29:07 +0500 Date: Thu, 02 Dec 2010 12:29:07 +0500 From: ghatpande@vsnl.net Subject: Re: Proposal: First step towards Intelligent, integrateddatabase In-reply-to: <4CF662C5.70109@dunslane.net> To: Andrew Dunstan Cc: Tom Lane , Dann Corbit , pgsql hackers Message-id: MIME-version: 1.0 X-Mailer: Sun Java(tm) System Messenger Express 6.2-6.01 (built Apr 3 2006) Content-type: text/plain; charset=us-ascii Content-language: en Content-transfer-encoding: 7BIT Content-disposition: inline X-Accept-Language: en References: <"87F42982BF2B434F831FCEF4C45FC33 E4209B193"@EXCHANGE.corporate.connx.com> <15327.1291214468@sss.pgh.pa.us> <4CF662C5.70109@dunslane.net> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.909 tagged_above=-5 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RFC_ABUSE_POST=0.001, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201012/140 X-Sequence-Number: 175402 If possible can you provide glimpses of History. Corrected History will always help for future. Success rate also increases if we could avoid mistakes we made in history. regards, Vijay. Experience the Excellence...... ----- Original Message ----- From: Andrew Dunstan Date: Wednesday, December 1, 2010 8:32 pm Subject: Re: [HACKERS] Proposal: First step towards Intelligent,integrateddatabase To: Tom Lane Cc: ghatpande@vsnl.net, Dann Corbit , pgsql hackers > > > On 12/01/2010 09:41 AM, Tom Lane wrote: > > ghatpande@vsnl.net writes: > >> Create domain is only useful for abstracting common constraints > on fields into single location for maintenance. It may not be > useful to link tables. > > It's still unclear what this does that you don't get from > inheritance,> typed tables, use of a table's rowtype as a field > type, or CREATE TABLE > > LIKE. This isn't exactly virgin territory. > > > > > > Yeah. Actually, the whole thing reminded me somewhat of the pre- > RDBMS > data stores I worked with 25 years or so ago. "Those who cannot > remember > history are doomed to repeat it." > > cheers > > andrew > > -- > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers >