07.03.2023 21:43, Tom Lane wrote:
> I've looked into this a bit more, and both of these symptoms reduce
> to the same thing: after we've plugged the modified view's query
> into the upper query, we have an RTE_SUBQUERY RTE whose eref->colnames
> list is shorter than the number of columns actually available from the
> subquery. This breaks assorted code that is expecting that it can
> use list_length(eref->colnames) as a quick guide to the number of
> output columns.
Thanks for the fix!
I've tested all my cases on REL_15_STABLE, master and found no
anomalies in this area.
Best regards,
Alexander