=?ISO-8859-2?Q?Miroslav_=A9ulc?= <miroslav(dot)sulc(at)startnet(dot)cz> writes:
> The problem is that I have application deployed both on pg 8.0 and pg
> 8.1. This syntax (using USING) is only valid for 8.1+ and syntax without
> USING is only valid for 8.0 and not for 8.1. I could write it using IN
> operators which works in both versions but the slowdown is not acceptable.
Set add_missing_from TRUE ...
regards, tom lane