Chris Browne <cbbrowne@acm.org> writes:
> In the interests of personal laziness ;-), I'll throw the question to
> this list: how may we expect the imprecisions of FP affect text-based
> database dumps, if at all?
If the platform's float I/O routines conform fully to spec, you can
expect FP values to reload exactly. We dump them with a couple of
"extra" digits of precision to make this possible.
regards, tom lane