Nico Williams <n...@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