PG Bug reporting form <noreply@postgresql.org> writes:
> Given this schema:
> ...
> Running this query:
> ...
> produces the following error:
> ERROR: wrong varnullingrels (b) (expected (b 4)) for Var 2/1
Thanks for the clear report! We've seen a few variants of this,
and apparently yours is among the cases that are recently fixed.
Trying this example on a fresh 16-tip build (more or less 16.7)
just emits
DO
regards, tom lane