Robert Haas <robertmhaas@gmail.com> writes:
> No matter what we end up doing here it will be consistent with
> something; I am reminded of the phrase "the good thing about standards
> is that there are so many to choose from...".
Well, FWIW I vote for making the new columns be float8 msec. If you
don't want to change total_time to match, I guess there's no law that
says it *has* to be consistent ...
regards, tom lane