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import java.io.*;
import java.lang.*;
import java.sql.*;
class JDBC_Test
{
public JDBC_Test()
{
}
public static void main(String argv[])
{
String url = new String(argv[0]);
Connection db;
Statement s;
ResultSet rs;
// Load the driver
try
{
Class.forName("postgresql.Driver");
} catch (ClassNotFoundException e) {
System.err.println("Exception: " + e.toString());
}
// Lets do a few things -- it doesn't do everything, but
// it tests out basic functionality
try
{
System.out.println("Connecting to Database URL = " + url);
db = DriverManager.getConnection(url, "adrian", "");
System.out.println("Connected...Now creating a statement");
s = db.createStatement();
System.out.println("Ok...now we will create a table");
s.executeUpdate("create table test (a int2, b int2)");
System.out.println("Now we will insert some columns");
s.executeUpdate("insert into test values (1, 1)");
s.executeUpdate("insert into test values (2, 1)");
s.executeUpdate("insert into test values (3, 1)");
System.out.println("Inserted some data");
System.out.println("Now lets try a select");
rs = s.executeQuery("select a, b from test");
System.out.println("Back from the select...the following are results");
int i = 0;
while (rs.next())
{
int a = rs.getInt("a");
int b = rs.getInt("b");
System.out.println("row " + i + " " + a + " " + b);
i++;
}
System.out.println("Ok...dropping the table");
s.executeUpdate("drop table test");
System.out.println("Now closing the connection");
s.close();
db.close();
} catch (SQLException e) {
System.out.println("Exception: " + e.toString());
}
}
}
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