Comment 2 for bug 1850162

I was able to get akonadi to work with postgresql using a different set of instructions, located here, modified as necessary for kubuntu:

https://vinzv.de/en/bringing-kmail-and-postgresql-together/

I did have to delete everything in ~/.local/share/akoandi and ~/,config/akonadi

This does not change the fact that it still does not work with mysql-8.x