I wrote an optimizer talk that explains memoize, slides 24-25:
https://momjian.us/main/writings/pgsql/beyond.pdf#page=25
During two presentations, I was asked if negative cache entries were
created for cases where inner-side lookups returned no rows.
It seems we don't do that. Has this been considered or is it planned?
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EDB https://enterprisedb.com
Embrace your flaws. They make you human, rather than perfect,
which you will never be.
