On Thu, Apr 21, 2022 at 5:33 AM Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>
wrote:
>
> it seems there's something wrong with CTE inlining when there's a view
> containing a correlated subquery referencing the CTE.
>
BTW, seems view is not a necessary condition to reproduce this issue.
For instance:
create table t (a int, b int);
explain (costs off) select a from
(
with t_cte as (select a, b from t)
select
a,
(select b from t_cte where t_cte.a = t.a) AS t_sub
from t
) sub;
Thanks
Richard