Ron Mayer <rm...@cheapcomplexdevices.com> writes:
> It still accepts one odd input that 8.3 rejected:
>     regression=# select interval '1 1' hour;
> Perhaps the additional patch below fixes that?

Hmm, not sure about that one.  We decided a week or two back that we
don't want the thing discarding higher-order field values, and this
seems pretty close to that.  As the code is set up (plus my patch)
I think it's the case that only the rightmost field specification
of the interval qualifier makes any difference for parsing the value;
the leftmost field doesn't really affect what we think the constant
means.  That seems like a nice simple consistency property ...

                        regards, tom lane

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