On 5/23/19 1:45 AM, David Rowley wrote:
> On Thu, 23 May 2019 at 15:31, Jonathan S. Katz <
jkatz@postgresql.org> wrote:
>> Attached is
>> v3 of the patch, along with a diff.
>
> Minor details, but this query is not valid:
>
>> WITH c AS MATERIALIZED (
>> SELECT * FROM a WHERE a.x % 4
>> )
>> SELECT * FROM c JOIN d ON d.y = a.x;
>
> a.x % 4 is not a boolean clause, and "a" is not in the main query, so
> a.x can't be referenced there.
...that's the only gotcha I'm actually embarrassed about. Fixed.