On Jan 3, 2011, at 11:51 AM, Tom Lane wrote:
> 1. Doesn't work if you're upgrading an installation that has more than
> one database using the extension. There's only one library directory.
>
> 2. Not possible from a permissions standpoint. Even if you think it'd
> be smart to have the postgres daemon privileged enough to overwrite its
> own executables, there is 0 chance of getting that past any distro.
Okay, got it.
Best,
David
