"Phillip Smith" <phillip.smith@weatherbeeta.com.au> writes:
> Now PostgreSQL complains at me with the following error:
> 2007-07-25 11:52:05 EST @ []DETAIL: The data directory was initialized by
> PostgreSQL version 8.3, which is not compatible with this version 8.2.4.
> As far as I'm aware, 8.3 doesn't exist!
You seem to have pulled a development snapshot from someplace ...
> I'm assuming the problem is because the PG_VERSION file in the data
> directory says 8.3, so I'm making a copy of the directory, changing that to
> 8.2 and see if it will start with that.
There is exactly 0 chance that that will work. The PG_VERSION test is
there to save you from worse and more obscure failures involving
incompatible system catalog layouts.
regards, tom lane