Re: [COMMITTERS] pgsql: Work around perl bug in SvPVutf8(). - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: [COMMITTERS] pgsql: Work around perl bug in SvPVutf8().
Date
Msg-id 1325802590-sup-3427@alvh.no-ip.org
Whole thread Raw
In response to Re: [COMMITTERS] pgsql: Work around perl bug in SvPVutf8().  (Andrew Dunstan <andrew@dunslane.net>)
Responses Re: [COMMITTERS] pgsql: Work around perl bug in SvPVutf8().  (Andrew Dunstan <andrew@dunslane.net>)
List pgsql-hackers
Excerpts from Andrew Dunstan's message of jue ene 05 19:06:54 -0300 2012:
>
> On 01/05/2012 12:05 PM, Andrew Dunstan wrote:
> > Work around perl bug in SvPVutf8().
> >
> > Certain things like typeglobs or readonly things like $^V cause
> > perl's SvPVutf8() to die nastily and crash the backend. To avoid
> > that bug we make a copy of the object, which will subsequently be
> > garbage collected.
> >
> > Back patched to 9.1 where we first started using SvPVutf8().
> >
> > Per -hackers discussion. Original problem reported by David Wheeler.
> >
>
> Ugh. This broke the regression tests. I'll get it fixed.

Yeah, notice that it's causing crashes, not just different results.

--
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support


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