"Stephen R. van den Berg" <srb@cuci.nl> writes:
> case 16: // _bool
> case 17: // _bytea
> case 18: // _char
> case 20: // _int8
> case 21: // _int2
> case 23: // _int4
> case 25: // _text
> case 142: // _xml
> case 829: // _macaddr
> case 869: // _inet
> case 1042: // _bpchar
> case 1043: // _varchar
> case 1700: // _numeric
> case 2950: // _uuid
> How large is the probability of these numbers ever changing?
Not very, but just on code readability grounds, you should use the
macros from pg_type.h instead of writing literal constants.
regards, tom lane