Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> On lr, 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.
pg_node sounds like there's just one. Maybe pg_node_tree?
regards, tom lane