>>>>> "Andrew" == Andrew Gierth <and...@tao11.riddles.org.uk> writes:
Andrew> 2. How far do we need to go to support existing uses of Andrew> extra_float_digits? For example, do we need a way for clients to Andrew> request that they get the exact same output as previously for Andrew> extra_float_digits=2 or 3, rather than just assuming that any Andrew> round-trip-exact value will do? Andrew> (this would likely mean adding a new GUC, rather than basing Andrew> everything off extra_float_digits as the patch does now) So it turns out, for reasons that should have been obvious in advance, that _of course_ we need this, because otherwise there's no way to do the cross-version upgrade regression check. So we need something like exact_float_output='on' (default) that can be selectively set to 'off' to restore the previous behavior of extra_float_digits. Thoughts? -- Andrew (irc:RhodiumToad)