import java.sql.*;

public class PreviousTest {

	public static void main(String args[]) throws Exception {
		Class.forName("org.postgresql.Driver");
		Connection conn = DriverManager.getConnection("jdbc:postgresql://localhost:5750/template1","jurka","");

		Statement stmt = conn.createStatement();
		ResultSet rs = stmt.executeQuery("SELECT * FROM pg_class WHERE relname='tablethatdoesnotexist'");
		rs.next();
		rs.next();
		rs.next();
		rs.previous();

		rs.close();
		stmt.close();

		conn.close();
	}

}