code: func SelectCertificates(s dbSelector, q string, args map[string]interface{}) ([]core.Certificate, error) {
  	var models []core.Certificate
  	_, err := s.Select(
  		&models,
  		"SELECT "+certFields+" FROM certificates "+q, args)
  	return models, err
  }
docs: // SelectCertificates selects all fields of multiple certificate objects