Frank van Vugt <ftm(dot)van(dot)vugt(at)foxi(dot)nl> writes:
> I noticed that the result of '\dl' in psql shows a second column
> 'Description'. I'd like to use that, but does anybody know how?
This is a psql artifact, not a feature supported by the backend.
If you want to do likewise, emulate the code in src/bin/psql/large_obj.c.
regards, tom lane