Re: BUG #2971: 8.1.7/8.2.2 break constraint checking for 'update'

Hi Tom,

Tom Lane [2007-02-06 11:25 -0500]:
> "Martin Pitt" <martin(at)piware(dot)de> writes:
> > db> create table foo (bar VARCHAR(20) NOT NULL check (bar in
> > ('FOO','BAR')));
> > CREATE TABLE
>
> > db> insert into foo (bar) values ('FOO');
> > INSERT 0 1
>
> > db> update foo set bar = 'BAR';
> > ERROR: attribute 1 has wrong type
> > DETAIL: Table has type character varying, but query expects character varying.
>
> Sigh. The trouble with security patches is that by nature they can't
> get very wide testing :-(. I think we shall have to do something like
> the attached. Arguably this problem is exposing bugs elsewhere in the
> system, but for now ExecEvalVar() is going to have to be less
> aggressive.

I confirm that this patch fixes the problem.

Thanks for the fast reaction!

Martin
--
Martin Pitt http://www.piware.de
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