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sybperl-l Archive
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From: Michael Peppler <mpeppler at peppler dot org>
Subject: Re: Patch to DBD::SYbase 1.01 for nsql deadlock retry logic
Date: Nov 12 2003 6:27PM
On Wed, 2003-11-12 at 08:55, Phil.Moore@morganstanley.com wrote:
> Mike --
>
> Please apply this patch to the next release of DBD::Sybase. The
> nsql() implementation has a critical flaw in the deadlock retry logic
> upon which many of us depend.
>
> When a failure occurs the errors is stashed in $err, and if that error
> is a deadlock (Message 1205), and the application has configured the
> various retry attributes, then the SQL is resubmitted correctly.
>
> However, if a subsequent execute succeeds, the $err variable still has
> the value from the previous failure, and the code then returns no
> data. $err needs to be reset per invocation od the DEADLOCK block.
Ouch!
Thanks - applied.
Michael
--
Michael Peppler Data Migrations, Inc.
mpeppler@peppler.org http://www.mbay.net/~mpeppler
Sybase T-SQL/OpenClient/OpenServer/C/Perl developer available for short or
long term contract positions - http://www.mbay.net/~mpeppler/resume.html
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