code: func NewDbMap(dbConnect string, maxOpenConns int) (*gorp.DbMap, error) {
  	var err error
  	var config *mysql.Config
  
  	config, err = mysql.ParseDSN(dbConnect)
  	if err != nil {
  		return nil, err
  	}
  
  	return NewDbMapFromConfig(config, maxOpenConns)
  }
docs: // NewDbMap creates the root gorp mapping object. Create one of these for each
  // database schema you wish to map. Each DbMap contains a list of mapped
  // tables. It automatically maps the tables for the primary parts of Boulder
  // around the Storage Authority.