=?UTF-8?Q?Torsten_F=C3=B6rtsch?= <tfoertsch...@gmail.com> writes:
> postgres=# with i(x) as (values (1::int)), j(y) as (values (2::int)) select
> x from (select x from i union all select y from j) b;
> x
> ---
> 1
> 2
> (2 rows)
> postgres=# with i(x) as (values (1::int)), j(y) as (values (2::int)) select
> max(x) from (select x from i union all select y from j) b;
> ERROR: could not find plan for CTE "i"
Yup, sure looks like a bug to me, especially since it seems to work as
expected before 9.5. No idea offhand what broke it.
regards, tom lane
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