villagesql-boolean

Packages the upstream vsql-boolean extension (a strict BOOLEAN column type
(STRICTBOOL) with aggregates) as a separate snap that plugs into the
villagesql snap through the content interface:

sudo snap install villagesql-boolean
sudo snap connect villagesql:extensions villagesql-boolean:extensions
sudo snap restart villagesql
sudo villagesql.mysql -uroot -e "INSTALL EXTENSION vsql_boolean;"