Manfred Koizar <mkoi-pg@aon.at> writes:
> This has been discussed before and I know I'm going to get flamed for
> this, but IMHO having now() (which is a synonym for CURRENT_TIMESTAMP)
> return the start time of the current transaction is a bug, or at least
> it is not conforming to the standard.
As you say, it's been discussed before. We concluded that the spec
defines the behavior as implementation-dependent, and therefore we
can pretty much do what we want.
If you want exact current time, there's always timeofday().
regards, tom lane