Jim Nasby <jim.na...@bluetreble.com> writes:
> Just a heads-up: each of those ALTER's will rewrite the table, so unless your
> database is tiny this will be a slow process. There's ways to work around
> that, but they're significantly more complicated.
I think he's trying to get rid of all the blank-padding he's got right
now, so table rewrites are unavoidable.
regards, tom lane
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