On Thu, Sep 8, 2022 at 9:03 PM Amit Langote <amitlangot...@gmail.com> wrote: > While testing Alvaro's "cataloguing NOT NULL constraints" patch [1], I > noticed a behavior of inherited column merging during ALTER TABLE that > I thought might be a bug (though see at the bottom). > > I feel like we may have discussed this before and decided that the > $subject is left that way intentionally, but wanted to bring this up > again in the light of Alvaro's patch which touches nearby code. > Should we try to fix this?
I found a not-so-old email where we indeed called this (allowing a child table's column to be nullable when it is marked NOT NULL in a parent) a bug that should be fixed: https://www.postgresql.org/message-id/CA%2BHiwqEPy72GnNa88jMkHMJaiAYiE7-zgcdPBMwNP-zWi%2Beifw%40mail.gmail.com -- Thanks, Amit Langote EDB: http://www.enterprisedb.com
