Nico Williams <nico@cryptonector.com> writes:
> Text+encoding can be just like bytea with a one- or two-byte prefix
> indicating what codeset+encoding it's in. That'd be how to encode
> such text values on the wire, though on disk the column's type should
> indicate the codeset+encoding, so no need to add a prefix to the value.
The precedent of BOMs (byte order marks) suggests strongly that
such a solution would be horrible to use.
regards, tom lane