On Oct 23, 2010, at 7:52 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I still prefer the idea of not changing rows once they're
> inserted, though
Me too. But I really dislike the idea of having a failure mode where we can't insert for no reason that the user can understand. So I'm trying to think of a better option.
Why would you need to lock out type comparisons? Locking out concurrent DDL seems sufficient.
...Robert