Re: Boolean partitions syntax

Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp> writes:
> At least partition bound *must* be a constant. Any expression
> that can be reduced to a constant at parse time ought to be
> accepted but must not be accepted if not.

My point is that *any* expression can be reduced to a constant,
we just have to do so.

> Maybe we could explicitly control that by having pseudo functions
> like eval().
> ... where sold_date = eval_on_parse('today');
> ... where sold_date = eval_on_exec('today');

This strikes me as far outside the immediate requirements.  In fact,
if we had such functions, they'd be irrelevant to this requirement.

            regards, tom lane