Out of curiosity does Firefox do anything special w/ regard to how they
manage Sqlite? I can't imagine this problem is totally unique to us.
Kind Regards,
Anthony Laforge
Technical Program Manager
Mountain View, CA
On Tue, Oct 6, 2009 at 5:35 PM, Scott Hess <sh...@chromium.org> wrote:
>
> On Tue, Oct 6, 2009 at 5:24 PM, Dan Kegel <d...@kegel.com> wrote:
> > 1) zfs was right: checksums are a good idea. Can we add them to sqlite?
>
> I believe so, but I'm still working through the details. And by
> "working" I mean "thinking". The challenge is in finding places to
> tuck things away where they won't break compatibility. I _think_ we
> could tuck page-level checksums into unused space w/in the page (and
> arrange for unused space to exist). Then row-level checksums to
> handle overflow pages (which I don't think allow the same unused-space
> trick). I haven't dug in to figure out the free list.
>
> Note, though, that checksums only get you so far, the real challenge
> might be in finding all the places to check the checksums. Checking
> them at read time is unsatisfactory, given this research!
>
> -scott
>
> >
>
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