On 23 June 2010 02:49, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Thom Brown <thombrown@gmail.com> writes:
>> Is that the right behaviour though? Shouldn't the signed value reach
>> the cast step rather than the absolute value? Or maybe Postgres could
>> implicitly accept -12345::integer to be (-12345)::integer. Is there a
>> blocking reason as to why it must work this way?
>
> Yes. There is no reason to assume that - means the same thing for every
> datatype. In general, :: should (and does) bind tighter than *every*
> operator, to ensure that the appropriately typed operator is applied.
>
Okay. I'll admit that this won't be a common case, but could the
error message make reference to the value it took?
Thom
