> Esqueleto offically supports a single database, Postgres. This is not so. It supports at least persistent-mysql, persistent-postgresql, persistent-sqlite, a

> Esqueleto offically supports a single database, Postgres. This is not so. It supports at least persistent-mysql, persistent-postgresql, persistent-sqlite, according to https://github.com/prowdsponsor/esqueleto/ https://github.com/prowdsponsor/esqueleto/ Perhaps you are thinking of Opaleye, which does only support Postgres.