public static void main()

in src/main/java/com/aliyun/odps/jdbc/JdbcTest.java [35:70]

31 lines of code
4 McCabe index (conditional complexity)


  public static void main(String[] args) throws SQLException {
    if (args.length < 2) {
      System.out.println(
          "Usage: java -cp odps-jdbc-...-jar-with-dependencies.jar com.aliyun.odps.jdbc.JdbcTest connection_string sql");
      System.out.println(
          "   eg. JdbcTest 'jdbc:odps:http://service.odps.aliyun.com/api?project=odpsdemo&accessId=...&accessKey=...&charset=UTF-8' 'select * from dual'");
      System.exit(1);
    }
    String connectionString = args[0];
    String sql = args[1];

    try {
      String driverName = "com.aliyun.odps.jdbc.OdpsDriver";
      Class.forName(driverName);
    } catch (ClassNotFoundException e) {
      e.printStackTrace();
      System.exit(1);
    }

    System.out.println("Connection: " + connectionString);
    Connection conn = DriverManager.getConnection(connectionString);
    ResultSet res;

    System.out.println("Running   : " + sql);
    if (sql.trim().equalsIgnoreCase("show tables")) {
      res = conn.getMetaData().getTables(null, null, null, null);
    } else {
      Statement stmt = conn.createStatement();
      res = stmt.executeQuery(sql);
    }

    System.out.println("Result    :");
    printResultSet(res);

    conn.close();
  }