Re: Is PG a moving target?

On Monday 11 February 2008 14:49, Jeff Davis wrote:
> On Mon, 2008-02-11 at 09:09 +0100, Peter Eisentraut wrote:
> > Ken Johanson wrote:
> > > Is there anything now, or in the works, for compatibility emulation?
> > > For example to setup my session to act like 8.2 and allow less-strict
> > > typing.
> >
> > The best way to ensure 8.2 compatibility is to use 8.2.  But as casts are
> > user definable, you can add back any casts you want.  Just don't add
> > dozens of implicit casts and then come back here wondering why your
> > application is behaving strangely. :)
>
> As I understand it, it's tricky (or impossible) to get the 8.2 behavior
> back just by adding/modifying casts.
>
> If not, couldn't we just publish those casts so people can be backwards
> compatible if they want?
>

that was the idea behind castcompat, which didn't get far out of the gate
before several examples cropped up showing how backwards-compatible casting
would break new 8.3 system expectations.

--
Robert Treat
Build A Brighter LAMP :: Linux Apache {middleware} PostgreSQL