Peter Eisentraut <peter.eisentraut@enterprisedb.com> writes:
> On 07.07.21 09:20, Etsuro Fujita wrote:
>> * Modified nodeModifyTable.c and copyfrom.c so that they don't compute
>> generated columns for FDWs anymore.
> I don't agree with that change. What is the point of declaring a
> generated column on a foreign table if you ignore it? Then you might as
> well prohibit declaring such columns in the first place.
Maybe what we need here is some documentation clarifying exactly what
the point of a generated column on a foreign table actually *is*.
When would you do it, and what relationship if any has it got to the
generation status of the underlying remote column?
regards, tom lane