Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> It's a major undertaking trying to write software that runs against
> PostgreSQL for more than one release. We should be making that easier,
> not harder.
None of the proposals would make it impossible to write a LOCK statement
that works on all available releases, so I think the above argument is
a tad off-topic.
regards, tom lane