> On Mar 13, 2021, at 1:51 PM, David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>
>
>> On Sat, Mar 13, 2021 at 1:41 PM Ulrich Goebel <ml(at)fam-goebel(dot)de> wrote:
>> But it could help to get a reference to the default value.
>
> There is no such thing as a "default value". There is a "default expression" though. It should be available in the system catalogs as part of the definition of a table. But I'm of the general impression that attributing some special significance to a value in the database because it happens to have been computed by a default expression instead of some explicitly supplied value is generally a wrong approach to take. The data should be interpreted in an internally self-sufficient way.
>
> David J.
Can you distinguish the case of the actual value matching the (computed) default?