Jeff Davis <pg...@j-davis.com> writes:
> On Sat, 2010-10-09 at 23:28 +0000, Corin wrote:
>> I'd consider this a bug as "NOT x IS NULL" is the same as "x IS NOT NULL".
> That is false.
It's true for scalar input datatypes, though.
I had been wary of this idea because I didn't see any suitably cheap
place to insert the necessary processing, but after some reflection
and rejiggering of eval_const_expression's responsibilities, it's
done.
regards, tom lane
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