I know it is a matter of choice, but why was MySQL chosen instead of PostgreSQL? The latter seems to be more popular on Hacker News.
TLDR; Because go-mysql-server existed.
https://www.dolthub.com/blog/2022-03-28-have-postgres-want-d...
We have a Postgres version of Dolt in the works called Doltgres.
https://github.com/dolthub/doltgresql
We might have a go-postgres-server package factored out eventually.