Return-Path: Delivered-To: apmail-db-jdo-dev-archive@www.apache.org Received: (qmail 35106 invoked from network); 31 Aug 2005 01:25:58 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (209.237.227.199) by minotaur.apache.org with SMTP; 31 Aug 2005 01:25:58 -0000 Received: (qmail 47672 invoked by uid 500); 31 Aug 2005 01:25:58 -0000 Mailing-List: contact jdo-dev-help@db.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: jdo-dev@db.apache.org Delivered-To: mailing list jdo-dev@db.apache.org Received: (qmail 47659 invoked by uid 99); 31 Aug 2005 01:25:57 -0000 Received: from asf.osuosl.org (HELO asf.osuosl.org) (140.211.166.49) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 30 Aug 2005 18:25:57 -0700 X-ASF-Spam-Status: No, hits=0.0 required=10.0 tests=HTML_60_70,HTML_MESSAGE X-Spam-Check-By: apache.org Received-SPF: pass (asf.osuosl.org: local policy) Received: from [192.18.98.36] (HELO brmea-mail-4.sun.com) (192.18.98.36) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 30 Aug 2005 18:26:12 -0700 Received: from fe2.sun.com ([192.18.108.79]) by brmea-mail-4.sun.com (8.12.10/8.12.9) with ESMTP id j7V1PtTW023030 for ; Tue, 30 Aug 2005 19:25:55 -0600 (MDT) Received: from conversion-daemon.fe2.sun.com by fe2.sun.com (Sun Java System Messaging Server 6.1 HotFix 0.02 (built Aug 25 2004)) id <0IM200M01ASQKL00@fe2.sun.com> (original mail from Craig.Russell@Sun.COM) for jdo-dev@db.apache.org; Tue, 30 Aug 2005 19:25:55 -0600 (MDT) Received: from [192.168.0.10] ([24.6.172.77]) by fe2.sun.com (Sun Java System Messaging Server 6.1 HotFix 0.02 (built Aug 25 2004)) with ESMTPSA id <0IM200EEHBZ6HFL1@fe2.sun.com> for jdo-dev@db.apache.org; Tue, 30 Aug 2005 19:25:55 -0600 (MDT) Date: Tue, 30 Aug 2005 18:25:55 -0700 From: Craig Russell Subject: Re: Typos in spec dtd In-reply-to: <886c7bc3be15836995f26ef7f3957c98@solarmetric.com> To: JDO Expert Group Cc: jdo-dev@db.apache.org Message-id: <5458E30D-8F9E-4E2E-AF76-94C7390B64E0@Sun.COM> MIME-version: 1.0 X-Mailer: Apple Mail (2.734) Content-type: multipart/signed; protocol="application/pkcs7-signature"; boundary=Apple-Mail-144--1032015682; micalg=sha1 References: <43138A41.40204@sun.com> <08172A58-866D-4BE2-B80F-6F56D38078F2@Sun.COM> <4313D30E.6070206@sun.com> <8C12E58C-0447-4A18-A4DC-44ECFEA05297@Sun.COM> <72173803-DB78-4418-9B63-DA2CEFE77161@Sun.COM> <886c7bc3be15836995f26ef7f3957c98@solarmetric.com> X-Virus-Checked: Checked by ClamAV on apache.org X-Spam-Rating: minotaur.apache.org 1.6.2 0/1000/N --Apple-Mail-144--1032015682 Content-Type: multipart/alternative; boundary=Apple-Mail-143--1032016638 --Apple-Mail-143--1032016638 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Hi Abe, Thanks for your comments. I'm happy to put column* into both. Could you please suggest what the semantics of mapping a single field to multiple columns means? Are you thinking of a multi-column foreign key usage for references (relationships) or do you see it applying to primitive values as well? Thanks, Craig On Aug 30, 2005, at 2:43 PM, Abe White wrote: >> 1. Why multiple columns in the jdo version of property? I think it >> should be a single optional "column?". >> >> 2. Why not multiple columns in the orm version? I think one is >> enough. >> > > Why should we limit interface members to single-column mappings? I > vote for keeping column* > > Craig Russell Architect, Sun Java Enterprise System http://java.sun.com/products/jdo 408 276-5638 mailto:Craig.Russell@sun.com P.S. A good JDO? O, Gasp! --Apple-Mail-143--1032016638 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=ISO-8859-1 Hi Abe,

Thanks for your comments. = I'm happy to put column* into both.

Could you please suggest = what the semantics of mapping a single field to multiple columns means? = Are you thinking of a multi-column foreign key usage for references = (relationships) or do you see it applying to primitive values as = well?

Thanks,

Craig

On Aug 30, 2005, at 2:43 PM, Abe White wrote:

1. Why multiple columns in the = jdo version of property? I think it should be a single optional = "column?".

2. Why not multiple columns in the orm version? I = think one is enough.


Why should we = limit interface members to single-column mappings?=A0 I vote for keeping = column*



Craig Russell

Architect, Sun Java = Enterprise System http://java.sun.com/products/jdo=

408 = 276-5638 mailto:Craig.Russell@sun.com

P.S. A = good JDO? O, Gasp!


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