Merlin Moncure <mmoncure@gmail.com> writes:
> hm, it's the 'group by' -- for example if you add group by
> pg_namespace.oid, group by pg_namespace.oid || 'abc', you can invent
> columns that come back into the rowtype.
Yeah, the whole-row variable is evidently picking up "resjunk" columns
from the inner query. Haven't looked to see exactly where.
regards, tom lane
