Insert CLOB values problem with 9.2 drivers and not with 10

Question

Hi
We are using Oracle 9.2.0.5. We need to insert values bigger than 4000bytes using thin connection, so we've decided to use CLOB fields. With the 9.2.0.5 driver we can't do it, obtaining the classical exception explaining the data is bigger than the supported size but with the 10g driver (and, of course, same java code) it worked. The problem is that we want to mantain the equivalence between the database and driver not using the 10g driver with the 9.2.0.5 version of the db.
Here it's the test code we've used:
Data generation:     
          String data = "";
          Random rnd = new Random();
          long cont = 10000;
          while (cont > 0){               
               int result = rnd.nextInt(255);
               data = data + result;
               cont--;
          Integer id = new Integer(2);
Data insertion:
               String queryString="INSERT INTO TMP_BUG_ORACLE (ID, VALOR) VALUES (?,?)";
               preparedStatement = connection.prepareStatement(queryString);
               preparedStatement.setInt(1,1);
               preparedStatement.setString(2,this.datos);
               int numero = preparedStatement.executeUpdate();               
               System.out.println("Items inserted: " + numero);
               preparedStatement.close();
               connection.close();
Table structure
     Name:          Type:
     ID           NUMBER
     VALOR      CLOB
Response (only with 9.2.0.5 driver):
java.sql.SQLException: El tamaño de los datos es mayor que el tamaño máximo para este tipo: 25708 (Data size is bigger than the maximum for this type: 25708)
Thank you very much for all

Answer 1

Hi,
I had exactly the same problem. on Oracle 9.2 I wanted to insert a template file bigger than 4K. with the ojdbc14.jar from Oracle 9.2 it was not possible.
What I did was this:
I have used a JDBCwrapper to fix this issue. I can send it to you, if you send me your email.
When I use the ojdbc14.jar from Oracle 10, I cannot insert a bigger file.
How did you code your programm to insert big size data into a CLOB field with ojdbc14.jar driver from 10?
thank you for your response