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Сделать пару правок в программе на Java

11 USD
Databases & SQL, Java

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  1. Vitalii Cherniak
    247  
    1 day11 USD

    Здравствуйте, если остальные задания такие же, много времени правки не займут, да и в бюджет впишемся. В общем, обращайтесь, обсудим.

     
  2.
    Bogdan Gochachko
    235    10  0
    1 day11 USD

    Здравствуйте. Готов взяться за правки, нужно немного уточнить ТЗ.

     
    3. Another 2 proposals concealed
  • Oleg Polyakov
    13 April 2019, 13:54 |

    В архиве нету исходников...
  • Vitalii Valchuk
    13 April 2019, 17:45 |

    что неправильного в 

     String sqllUpdate = "UPDATE spider_car.telephone  SET count_node=count_node+1 WHERE author_id='" + newFormat + "'";

                
  • Vladimir G.
    14 April 2019, 6:34 |

    откуда вы взяли эту строчку ? ну во первых max (id) должно быть
  • Vladimir G.
    14 April 2019, 6:34 |

    вернее count_node=max(count_node)+1 
  • Vitalii Valchuk
    14 April 2019, 8:17 |

    С кода программы
  • Vladimir G.
    14 April 2019, 8:39 |

    в каком файле ? и как вы получили код из class файла ?
  • Vladimir G.
    14 April 2019, 9:10 |

    а вот я сам нашел 

    while(rs.next()) {
    new Integer(rs.getString("count_node"));
    String sqllUpdate = "UPDATE spider_car.telephone  SET count_node=count_node+1 WHERE author_id='" + newFormat + "'";
    System.out.println("   " + sqllUpdate);
    stmt2.executeUpdate(sqllUpdate);
}

    бла бла бла только не знаю если изменить то будет ли компилироваться
  • Vitalii Valchuk
    14 April 2019, 9:41 |

    а почему нет? только ваши правки нужно менять - сначала нужно найти max
  • Vitalii Valchuk
    14 April 2019, 9:43 | 
     new Integer(rs.getString("count_node"));   - вот этот код для чего? он не используется. и я бы использовал запрос с параметрами, а не через конкат
  • Vitalii Valchuk
    14 April 2019, 10:35 |

    вообще не понятно что этим хотели сказать


    String sqll = "SELECT *  FROM spider_car.telephone WHERE author_id='" + newFormat + "';";

              System.out.println("sql query=   " + sqll);

              Statement stmt = c.createStatement();

              Statement stmt2 = c.createStatement();

              ResultSet rs = stmt.executeQuery(sqll);

              System.out.println("select from telephone   " + sqll);

              Integer telcount = Integer.valueOf(1);

              while (rs.next())

              {

                telcount = new Integer(rs.getString("count_node"));

                String sqllUpdate = "UPDATE spider_car.telephone  SET count_node=count_node+1 WHERE author_id='" + newFormat + "'";

                

                System.out.println("   " + sqllUpdate);

                

                int i = stmt2.executeUpdate(sqllUpdate);

              }

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Client
 Dmitry Preobrazhensky Автовыкуп Киев
Ukraine Kyiv  6  0
Project published
7 years back
187 views