Re: pgsql: Fix calculation of relid sets for partitionwise child joins.

On Fri, 2023-07-21 at 16:00 +0000, Tom Lane wrote:
> Fix calculation of relid sets for partitionwise child joins.

In CI, I'm seeing a compiler warning here:

https://cirrus-ci.com/task/6112262960709632

[22:28:11.772] joinrels.c: In function ‘try_partitionwise_join’:
[22:28:11.772] joinrels.c:1546:11: error: variable ‘child_joinrelids’
set but not used [-Werror=unused-but-set-variable]
[22:28:11.772]  1546 |   Relids  child_joinrelids;
[22:28:11.772]       |           ^~~~~~~~~~~~~~~~
[22:28:11.772] cc1: all warnings being treated as errors

Regards,
    Jeff Davis