Re: Class::DBI 1.00 (almost)

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From: Tim Bunce
Subject: Re: Class::DBI 1.00 (almost)
Date: 00:08 on 25 Jun 2005
On Fri, Jun 24, 2005 at 11:23:45AM +0100, Tony Bowden wrote:
> On Fri, Jun 24, 2005 at 11:03:19AM +0100, Tim Bunce wrote:
> > MySQL is non-standard in this area. They regarded it as a 'feature' that
> > the 'rows affected' count meant 'rows actually changed' and not 'rows matched'.
> > Every other database I've come across returns 'rows matched'.
> 
> So, with the proposed change to update() to die on rows = 0, it should
> be perfectly safe to issue an UPDATE that updates zero rows, as long
> as there was a row that could have been updated, and the exception will
> only be thrown if the row with the relevant PK no longer exists?

Yes.

> Either way, I think I'll refactor this slightly so that the throwing
> of the exception happens in a no_rows_updated() method, or some such,

(I'd prefer updated_no_rows() so it sorts next to update :-)

> just in case any databases happen to handle this differently. Or, indeed,
> so that people who want the behaviour to be a simple return rather than
> an exception can have their wishes. (Or vice versa, depending on which
> we go with).

Sounds good to me.

Thanks Tony.

Tim.

(message missing)

Class::DBI 1.00 (almost)
Tony Bowden 12:57 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Will Hawes 14:56 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 15:15 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Will Hawes 15:50 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 18:56 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Matt S Trout 16:39 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Andy Grundman 16:41 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 18:58 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Peter Speltz 19:34 on 21 Jun 2005

Re: Class::DBI 1.00 (almost)
Tim Bunce 23:17 on 21 Jun 2005

Re: Class::DBI 1.00 (almost)
Peter Speltz 19:28 on 22 Jun 2005

Re: Class::DBI 1.00 (almost)
Tim Bunce 09:24 on 23 Jun 2005

Re: Class::DBI 1.00 (almost)
Tim Bunce 11:44 on 23 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 13:06 on 23 Jun 2005

Re: Class::DBI 1.00 (almost)
Michael Peters 13:49 on 23 Jun 2005

Re: Class::DBI 1.00 (almost)
Peter Speltz 15:24 on 23 Jun 2005

Re: Class::DBI 1.00 (almost)
Peter Speltz 17:48 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 18:59 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Peter Speltz 20:48 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 18:05 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 19:04 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 19:12 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 02:15 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 08:07 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Michael G Schwern 20:33 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 22:43 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 23:14 on 18 Jun 2005

Re: Class::DBI 1.00 (almost)
Rhesa Rozendaal 00:06 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 08:49 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Michael G Schwern 03:22 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 08:46 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Edward J. Sabol 04:49 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 08:49 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
William Ross 03:55 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
William Ross 19:22 on 21 Jun 2005

Re: Class::DBI 1.00 (almost)
Brad Bowman 09:23 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 13:48 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Peter Speltz 14:31 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 15:25 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Edward J. Sabol 18:21 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 18:38 on 19 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 03:52 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Michael G Schwern 04:16 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Edward J. Sabol 04:21 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 04:50 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Edward J. Sabol 04:59 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 08:26 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Edward J. Sabol 16:35 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 16:50 on 20 Jun 2005

Class::DBI 1.00 (almost)
Hartmaier Alexander 10:08 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 10:47 on 20 Jun 2005

->create or ->insert (was: Class::DBI 1.00 (almost))
=?ISO-8859-1?Q?Ask_Bj=F8rn_Hansen?= 20:14 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 15:03 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Charles Bailey 15:18 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 15:30 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Charles Bailey 17:28 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 18:17 on 20 Jun 2005

Class::DBI 1.00 (almost)
Hartmaier Alexander 11:40 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 12:45 on 20 Jun 2005

Class::DBI 1.00 (almost)
Hartmaier Alexander 13:33 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 13:39 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Michael Peters 13:34 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
William Ross 14:04 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 14:27 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Perrin Harkins 14:42 on 20 Jun 2005

Class::DBI 1.00 (almost)
Hartmaier Alexander 14:03 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Cees Hek 14:13 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 14:15 on 20 Jun 2005

Class::DBI 1.00 (almost)
Hartmaier Alexander 14:55 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
merlyn (Randal L. Schwartz) 15:42 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 15:56 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Edward J. Sabol 17:11 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 17:38 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Matt S Trout 18:00 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Edward J. Sabol 18:16 on 20 Jun 2005

Class::DBI 1.00 (almost)
Hartmaier Alexander 17:40 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 08:11 on 24 Jun 2005

Re: Class::DBI 1.00 (almost)
Tim Bunce 10:03 on 24 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 10:23 on 24 Jun 2005

Re: Class::DBI 1.00 (almost)
Tim Bunce 00:08 on 25 Jun 2005

Class::DBI 1.00 (almost)
Hartmaier Alexander 17:45 on 20 Jun 2005

Re: Class::DBI 1.00 (almost)
Andy Grundman 23:49 on 21 Jun 2005

Re: Class::DBI 1.00 (almost)
Hartmaier Alexander 13:26 on 23 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 14:09 on 23 Jun 2005

Re: Class::DBI 1.00 (almost)
Hartmaier Alexander 14:27 on 23 Jun 2005

RE: Class::DBI 1.00 (almost)
Andrew O'Brien 23:12 on 23 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 07:43 on 24 Jun 2005

Re: Class::DBI 1.00 (almost)
=?ISO-8859-1?Q?Ask_Bj=F8rn_Hansen?= 07:48 on 24 Jun 2005

RE: Class::DBI 1.00 (almost)
Andrew O'Brien 07:53 on 24 Jun 2005

Re: Class::DBI 1.00 (almost)
Tony Bowden 08:00 on 24 Jun 2005

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