On Fri, Mar 25, 2011 at 1:00 AM, Heikki Linnakangas
<heikki.linnakangas@enterprisedb.com> wrote:
> 1. The table has been created or truncated in the same transaction
> 2. We are not in a subtransaction (or the table was created and truncated in
> the same subtransaction)
> 3. There are no open portals
> 4. Executing the COPY doesn't need to run any "unsafe" code that might
> access the same table. This includes triggers, check constraints and input
> functions. An expression is safe if it is immutable.
It sounds like these cases would, at the very least, be met by some
forms of pg_restore...that's a highly desirable property, I feel.
--
fdr
