Re: BUG #3925: You can delete enum elements from pg_enum, but it is used in a table

"Stefan Kunick" <stefan@kunick.org> writes:
> I create a enumeration. After this, i used the enumeration in a table. I
> delete the enumeration in the table pg_enum (delete from pg_enum where
> enumtypid=16631 and enumlabel='center'; The delete don't check, that the
> element is used in a table.

Manual modifications of the system catalogs are not supported.  If you
choose to do that, it's on your own head whether the results are sane.

            regards, tom lane