On 2013-04-09 00:09, Kevin Grittner wrote:
> I'm not sure that what we're doing now is correct, but updating
> things as if a normal vacuum had been done would *not* be the thing
> to do. For starters, VACUUM FULL blows away the free space map and
> visibility map for a table. Among other things, that means that
> index-only scans will cease to work until the table has a normal
> vacuum.
Ah, now it makes sense. Thank you, that's what I was looking for.
And I agree with Jeff that this could be documented in more detail.
Thanks,
crl
