test/jdbc/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 //Author: XieLiang
   4 import java.sql.*;
   5 public class ConnTest24
   6 {
   7     public static void main(String[] args)
   8     {
   9        try
  10        {
  11            Class.forName("csql.jdbc.JdbcSqlDriver");
  12            Connection con = DriverManager.getConnection("jdbc:csql", "root", "manager");
  13            con.setAutoCommit(false);
  14            Statement cStmt = con.createStatement();
  15            int ret = 0;
  16            cStmt.execute("CREATE TABLE T1 (f1 integer, f2 char (20));");
  17            PreparedStatement stmt = null;
  18                for (int i=0; i <10 ; i++)
  19                {
  20                stmt = con.prepareStatement("INSERT INTO T1 VALUES (?, ?);");
  21                stmt.setInt(1, i);
  22                stmt.setString(2, String.valueOf(i));
  23                ret = stmt.executeUpdate();
  24                if (ret !=1) break;
  25                stmt.close();
  26                }
  27            con.rollback();
  28            con.close();
  29            con = DriverManager.getConnection("jdbc:csql","root","manager");
  30            int count = 0;
  31            cStmt = con.createStatement();
  32            ResultSet rs = cStmt.executeQuery("SELECT * from T1;");
  33            while(rs.next())
  34            {
  35                     count++;
  36            }
  37            rs.close();
  38            System.out.println("Total rows selected " + count);
  39            cStmt.execute("DROP TABLE T1;");
  40            con.close();
  41            if (count != 0) System.exit(1); else System.exit (0);
  42         }catch(Exception e) {
  43            System.out.println("Exception in Test: "+e);
  44            e.printStackTrace();
  45            System.exit(1);
  46         }
  47     }
  48 }