Re: Attribute of type record has wrong type error with MERGE ... WHEN NOT MATCHED BY SOURCE THEN DELETE

I wrote:
> Ugh.  I supposed that it was okay that 317aba70e etc. didn't touch
> outfuncs/readfuncs, but I did not think of
> -DWRITE_READ_PARSE_PLAN_TREES.

> Perhaps a good hack to deal with that is to make setrefs.c clear
> out relid for RTE_SUBQUERY RTEs in those branches.  Then, in the
> same way that the rte->function hack doesn't escape the planner,
> this one wouldn't either.

Double ugh: that doesn't fix it, because we also do a round of
WRITE_READ_PARSE_PLAN_TREES checks on the rewriter output.
Not sure how to fix this, unless we lobotomize that write/read
check somehow.

            regards, tom lane