On 09/06/10 17:34, Tom Lane wrote:
> Heikki Linnakangas<heikki.linnakangas@enterprisedb.com> writes:
>> We have two options:
>
>> 1. Make pg_get_expr() handle arbitrary (possibly even malicious) input
>> gracefully.
>
>> 2. Restrict pg_get_expr() to superusers only.
>
> I think #1 is a fool's errand. There is far too much structure to a
> node tree that is outside the scope of what readfuncs.c is capable of
> understanding.
That's why I said that ruleutils.c will need to understand and complain
about the rest.
Are you thinking we should restrict pg_get_expr() to superusers then?
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com