On Thu, Dec 15, 2011 at 10:17 AM, Eliot Gable
<egable+pgsql-general(at)gmail(dot)com> wrote:
> Is this bogus, or is it an upcoming feature?
>
> http://wiki.postgresql.org/wiki/Lock_database
The page says: "This functionality is not implemented in PostgreSQL,
and is not planned to be yet" So I'd gues it's an ansi SQL Spec
command that is not implemented and just included for completeness.