Evan D. Hoffman wrote on 11.10.2012 20:54:
>> Is there any way to disable the guessing of missing columns in a
>> group-by (the feature added in 9.1)?
>
> Because we have both 9.0 and 9.1 running, and a query that succeeds
> under 9.1 was failing under 9.0. Can I assume the answer then is
> "no"?
>
If you cannot upgrade the 9.0 installation, the only way how you can solve that problem is to develop the statements using 9.0