jdbc获取mysql enum

CREATE TABLE example (
    id INT AUTO_INCREMENT PRIMARY KEY,
    status ENUM('active', 'inactive', 'pending')
);

import java.sql.*;

public class JDBCEnumExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            String sql = "SELECT status FROM example";
            try (Statement stmt = conn.createStatement();
                 ResultSet rs = stmt.executeQuery(sql)) {
                while (rs.next()) {
                    String status = rs.getString("status");
                    System.out.println("Status: " + status);
                }
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

import java.sql.*;

public class JDBCEnumValuesExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            String sql = "SELECT COLUMN_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'example' AND COLUMN_NAME = 'status'";
            try (Statement stmt = conn.createStatement();
                 ResultSet rs = stmt.executeQuery(sql)) {
                if (rs.next()) {
                    String columnType = rs.getString("COLUMN_TYPE");
                    String enumValues = columnType.substring(columnType.indexOf('(') + 1, columnType.indexOf(')'));
                    System.out.println("ENUM Values: " + enumValues);
                }
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

String sql = "SELECT IFNULL(status, 'unknown') AS status FROM example";