Re: [WIP] In-place upgrade

On Thu, 6 Nov 2008, Tom Lane wrote:

>> -Is it worth considering making CRCs an optional compile-time feature, and
>> that (for now at least) you couldn't get them and the in-place upgrade at
>> the same time?
>
> Hmm ... might be better than not offering them in 8.4 at all, but the
> thing is that then you are asking packagers to decide for their
> customers which is more important.  And I'd bet you anything you want
> that in-place upgrade would be their choice.

I was thinking of something similar to how --enable-thread-safety has been 
rolled out.  It could be hanging around there and available to those who 
want it in their build, even though it might not be available by default 
in a typical mainstream distribution.  Since there's already a GUC for 
toggling the checksums in the code, internally it could work like 
debug_assertions where you only get that option if support was compiled in 
appropriately.  Just a thought I wanted to throw out there, if it makes 
eventual upgrades from 8.4 more complicated it may not be worth even 
considering.

--
* Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD