import java.sql.*;

public class ExecuteAddColumns {
    public static void main(String[] args) {
        String url = "jdbc:dm://192.168.0.145:30236?charset=utf8";
        String username = "WATERSHED";
        String password = "WaterShed./1224";
        
        Connection conn = null;
        Statement stmt = null;
        
        try {
            Class.forName("dm.jdbc.driver.DmDriver");
            conn = DriverManager.getConnection(url, username, password);
            stmt = conn.createStatement();
            
            System.out.println("Connected to database successfully!");
            
            // 添加字段
            String[] addColumnSqls = {
                "ALTER TABLE BUSINESS_SCENE ADD COLUMN THIRD_PERSON_CAMERA_HEADING DECIMAL(10,6)",
                "ALTER TABLE BUSINESS_SCENE ADD COLUMN THIRD_PERSON_CAMERA_PITCH DECIMAL(10,6)",
                "ALTER TABLE BUSINESS_SCENE ADD COLUMN THIRD_PERSON_CAMERA_ROLL DECIMAL(10,6)",
                "ALTER TABLE BUSINESS_SCENE ADD COLUMN THIRD_PERSON_CAMERA_DIRECTION VARCHAR(200)",
                "ALTER TABLE BUSINESS_SCENE ADD COLUMN THIRD_PERSON_CAMERA_UP VARCHAR(200)"
            };
            
            for (String sql : addColumnSqls) {
                try {
                    stmt.execute(sql);
                    System.out.println("Success: " + sql);
                } catch (SQLException e) {
                    System.out.println("Skip (may already exist): " + sql);
                    System.out.println("Error: " + e.getMessage());
                }
            }
            
            System.out.println("\nAll columns added successfully!");
            
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (stmt != null) stmt.close();
                if (conn != null) conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}