public static void main2(String[] args) {
    AdjacentLocListGenerator generator = new AdjacentLocListGenerator();
    Connection conn;
    try {
      conn = DataLoader.getBeijingConn();
      AdjacentLocList list = generator.getListFromDB(conn);

      conn.setAutoCommit(false);
      PreparedStatement stmt =
          conn.prepareStatement(
              "INSERT INTO AdjacentLocation_Clustered"
                  + "(SiteId1, SiteId2, UserCount, TotalCount)"
                  + "VALUES (?, ?, ?, ?)");
      for (Site loc : list.getSites().values()) {
        for (AdjacentLocPair pair : loc.getNextSites()) {
          int siteId1 = pair.getSite1().getSiteId();
          int siteId2 = pair.getSite2().getSiteId();
          if (pair.getUsersCount() == 0) continue;
          stmt.setInt(1, siteId1);
          stmt.setInt(2, siteId2);
          stmt.setInt(3, pair.getUsersCount());
          stmt.setInt(4, pair.getTotalCount());
          stmt.addBatch();
        }
        stmt.executeBatch();
        conn.commit();
        System.out.println(loc.getSiteId() + " succeed.");
      }
    } catch (SQLException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }
  public static void main(String[] args) {
    Connection conn = null;
    try {
      conn = DataLoader.getBeijingConn();
      Statement stmt = conn.createStatement();
      PreparedStatement stmt2 =
          conn.prepareStatement("INSERT INTO ttttttttt" + "(SiteId, ConnHour)" + " VALUES (?, ?)");
      ResultSet rs = stmt.executeQuery("SELECT * FROM FilteredSiteInfo");
      while (rs.next()) {
        int siteid = rs.getInt("SiteId");
        for (int i = 0; i < 24; ++i) {
          stmt2.setInt(1, siteid);
          stmt2.setInt(2, i);
          stmt2.addBatch();
        }
      }
      stmt2.executeBatch();
      conn.commit();
    } catch (Exception ex) {

    }
    try {
      conn.close();
    } catch (SQLException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }