// Utility function to get the database from a datasource.
func GetDb(cxt cookoo.Context, dbname string) (*sql.DB, error) {
dbO, ok := cxt.HasDatasource(dbname)
if !ok {
return nil, &cookoo.FatalError{fmt.Sprintf("No DB datasource named '%s' found.", dbname)}
}
return dbO.(*sql.DB), nil
}