2010/11/8 Vick Khera <vivek@khera.org>:
> On Mon, Nov 8, 2010 at 5:23 AM, Thom Brown <thom@linux.com> wrote:
>> Implicit casting might bite you since that was removed in 8.3.
>>
>
> Also if you use bytea fields to store binary data, the encoding format
> on return of the data is different. Make sure your client library
> handles that for you (or explicitly code for it).
>
> These are the two major issues we had to address between our
> 8.1->8.3->9.0 update over the last few years.
It is also possible to hit issues with plpgsql code quality.
>
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Cédric Villemain 2ndQuadrant
http://2ndQuadrant.fr/ PostgreSQL : Expertise, Formation et Support
