code: func BindType(driverName string) int {
  	switch driverName {
  	case "postgres", "pgx", "pq-timeouts", "cloudsqlpostgres", "ql":
  		return DOLLAR
  	case "mysql":
  		return QUESTION
  	case "sqlite3":
  		return QUESTION
  	case "oci8", "ora", "goracle":
  		return NAMED
  	case "sqlserver":
  		return AT
  	}
  	return UNKNOWN
  }
docs: // BindType returns the bindtype for a given database given a drivername.