Okay, no problem. I just encountered this issue and was experiencing some inconvenience as a user. If I have more detailed thoughts, I can add them later. Thank you for your reply anyway.
Best regards Yuanchao Zhang David G. Johnston <[email protected]> 于2026年2月27日周五 22:12写道： > On Friday, February 27, 2026, yuanchao zhang <[email protected]> > wrote: > >> Hi, >> I created a domain object named `numeric` using the following statement: >> `CREATE DOMAIN numeric AS NUMERIC(12,2) DEFAULT 0 CHECK (VALUE >= 0);` >> After executing this SQL, it indicated that the domain was created >> successfully. However, when I executed `\dD` in psql, the created domain >> could not be displayed. >> >> The reason is that the name I used is the same as a built-in type (of >> course, similar issues exist not only with domains). However, our manual >> for the `\dD` command lacks relevant explanations, which can mislead users. >> Users might think an object was successfully created, but the `\d` command >> doesn't display it, which could make beginners doubt whether the object was >> created successfully. I suggest adding necessary explanations to the `\d` >> command's manual. >> > > As explained in your bug report the documentation already covers > namespaces, types, and the pattern argument to the \d meta commands. > Covering all of that within the scope of the specific “\dD” meta command to > explain your example case is very unappealing. I honestly don’t see this > going anywhere unless you propose specific text and location suggestions > for what such a patch should look like. A real patch is even better, but > with solid enough ideas someone might volunteer to bundle it all into sgml > format. > > David J. > >
