test/jdbc/network/Connection/ConnTest24.java

   1 //Create connection, set auto-commit false, create Statement, insert 10 tuples, rollback the transaction, close connection
   2 //Open another connection and check the number of tuples. It should be Zero.
   3 import java.sql.*;
   4 public class ConnTest24
   5 {
   6     public static void main(String[] args)
   7     {
   8        try
   9        {
  10            Class.forName("csql.jdbc.JdbcSqlDriver");
  11            Connection con = DriverManager.getConnection("jdbc:csql://localhost:5678", "root", "manager");
  12            con.setAutoCommit(false);
  13            Statement cStmt = con.createStatement();
  14            int ret = 0;
  15            cStmt.execute("CREATE TABLE T1 (f1 integer, f2 char (20));");
  16            PreparedStatement stmt = null;
  17                for (int i=0; i <10 ; i++)
  18                {
  19                stmt = con.prepareStatement("INSERT INTO T1 VALUES (?, ?);");
  20                stmt.setInt(1, i);
  21                stmt.setString(2, String.valueOf(i));
  22                ret = stmt.executeUpdate();
  23                if (ret !=1) break;
  24                stmt.close();
  25                }
  26            con.rollback();
  27            con.close();
  28            con = DriverManager.getConnection("jdbc:csql","root","manager");
  29            int count = 0;
  30            cStmt = con.createStatement();
  31            ResultSet rs = cStmt.executeQuery("SELECT * from T1;");
  32            while(rs.next())
  33            {
  34                     count++;
  35            }
  36            rs.close();
  37            System.out.println("Total rows selected " + count);
  38            cStmt.execute("DROP TABLE T1;");
  39            con.close();
  40            if (count != 0) System.exit(1); else System.exit (0);
  41         }catch(Exception e) {
  42            System.out.println("Exception in Test: "+e);
  43            e.printStackTrace();
  44            System.exit(1);
  45         }
  46     }
  47 }