Tom Lane wrote:
> I think it might be better to fix the problem in
> pull_up_union_leaf_queries instead; given that it wasn't broken till
> recently, I think it's arguably that function's fault.
Not sure what you mean. pull_up_union_leaf_queries was introduced at the
same time as the rest of the logic to pull up UNION ALL subqueries, in
8.2, and has been broken ever since.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com