Re: Transaction-scope advisory locks

Merlin Moncure <mmoncure@gmail.com> writes:
> Not that I'm necessarily against the proposal, but what does this do
> that can't already be done by locking a table or a table's row?

I agree with Andres' point about this: sometimes it'd be more convenient
for an advisory lock to be released automatically at transaction end.
If you have a mix of clients that want that behavior with others that
want a persistent hold on the same locks, you can't do it with regular
locks.
        regards, tom lane