Tom Lane wrote:
> "Jim C. Nasby" <jnasby@pervasive.com> writes:
> > On Tue, Jan 03, 2006 at 11:26:51AM -0500, Tom Lane wrote:
> >> Such an ALTER would certainly require exclusive lock on the table,
> >> so I'm not sure that I see much use-case for doing it like that.
> >> You'd want to do the ALTER and commit so as not to lock other people
> >> out of the table entirely while doing the bulk data-pushing.
>
> > Maybe this just isn't clear, but would EXCLUSIVE block writes from all
> > other sessions then?
>
> I don't think it should (which implies that EXCLUSIVE is a bad name).
Agreed, EXCLUSIVE was used to mean an _exclusive_ writer. The new words
I proposed were PRESERVE or STABLE.
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