From: | Pierre-Yves LANDURE <pylandur(at)ifremer(dot)fr> |
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To: | PostgreSQL Patches <pgsql-patches(at)postgresql(dot)org> |
Subject: | Re: Polygon contrib |
Date: | 2002-08-08 07:25:50 |
Message-ID: | 1028791550.829.13.camel@timbeure |
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Lists: | pgsql-patches |
The used query is :
SELECT @@polygon(box '((120,-10),(160,15))')
it's a query that use a C code which normally is not bug.. ;)
Pierre-Yves Landuré
Le jeu 08/08/2002 à 09:20, Tom Lane a écrit :
> Pierre-Yves LANDURE <pylandur(at)ifremer(dot)fr> writes:
> > (gdb) bt
> > #0 0x08152bd9 in pg_detoast_datum ()
> > #1 0x4001ab72 in poly_center () from
> > /usr/lib/postgresql/lib/polygons_utils.so
> > #2 0x08151c5e in fmgr_internal_function ()
> > #3 0x080c50bd in ExecMakeFunctionResult ()
>
> Hm. And the query that triggers this is what exactly?
>
> Judging from the stack trace, this cannot be poly_center's fault
> directly. It looks like a bad input value is being passed to
> poly_center and then to pg_detoast_datum. I'm wondering whether
> the bad value is a NULL ... if so, your mistake is not to have
> marked the CREATE FUNCTION command "isStrict". The internally-defined
> functions you've copied are all marked strict so that they don't
> have to think about null inputs.
>
> regards, tom lane
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