Peter Eisentraut <peter_e@gmx.net> writes:
> What's concerning me about the way this is written is that it calls
> setlocale() for each formatting instance, which will be very slow.

Perhaps, the first time the info is needed, do setlocale(), ask strftime
for the 12+7 strings we need and save them away, then revert to C locale
and proceed from there.

regards, tom lane

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