import java.sql.*;

public class Vacuum {

	public static void main(String args[]) throws Exception {
		Class.forName("org.postgresql.Driver");
		Connection conn = DriverManager.getConnection("jdbc:postgresql://localhost:5432/jurka?loglevel=1","jurka","");
		Statement stmt = conn.createStatement();
		stmt.execute("VACUUM VERBOSE");
		SQLWarning warn = stmt.getWarnings();
		System.out.println(warn);
		while (warn != null) {
			warn = warn.getNextWarning();
			System.out.println(warn);
		}
		stmt.close();
		conn.close();
	}
}