Larry Rosenman <ler@lerctr.org> writes:
> 1) should quote_literal find a ::text conversion on it's own?
It won't, because the pg_cast entry for inet->text is marked "explicit
casts only". In general I don't like implicit casts across datatype
categories, and am hoping to move in the direction of marking more such
casts as explicit-only.
> 2) can text(cidr) be added to the default pg_cast table?
I'll make that happen for 7.4.
> 3) how can I add text(cidr) myself?
Read the pg_cast description in
http://www.postgresql.org/docs/view.php?version=7.3&idoc=0&file=catalogs.html
Insert a suitable row.
regards, tom lane