Ron Mayer wrote:
> Tom Lane wrote:
>> you need is 'yyy-mm dd hh:mm:ss' where you omit yyy-mm if
>> zeroes, omit dd if zero, omit hh:mm:ss if zeroes (but maybe
>> only if dd is also 0? otherwise your output is just dd which
>> is uncomfortably ambiguous).
Oh, and if both parts are 0, I guess we desire
the (more comfortable than the alternatives) '0'?
