Robert Haas <robertmhaas@gmail.com> writes:
> Yeah, I'm of two minds on that. I thought that it made sense to use
> integer identifiers internally for speed, but now I'm worried that the
> effort to translate back and forth between strings and integers is
> going to end up being more than any speed we might save.
We do that for nodetags in stored query/expression trees, and I've never
seen any indication that it costs enough to notice. It's definitely a
huge win for anything that changes regularly, which seems like it'll be
a pretty good description of event tags for at least the next few years.
regards, tom lane
