On lör, 2010-08-21 at 15:30 -0400, Tom Lane wrote:
> The only thing that seems like it might need discussion is the name
> to give the datatype. My first instinct was pg_expr or pg_expression,
> but there are some cases where this doesn't exactly fit. In
> particular,
> pg_rewrite.ev_action contains a whole Query, in fact a list of them.
Perhaps pg_node then.