On 23 June 2010 02:49, Tom Lane <[email protected]> wrote:
> Thom Brown <[email protected]> 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

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