Robert Haas <robertmhaas@gmail.com> writes:
> It's not quite the same complaint, because the earlier complaint was
> that it was actually being done at parse time, and this complaint is
> that it is scribbling on a parse-time data structure.
Ah, right. But that's still not the direction we want to be
going in [1].
regards, tom lane
[1] https://www.postgresql.org/message-id/2531459.1743871597%40sss.pgh.pa.us