#include <iostream>
#include <stdlib.h>
#include <mysql-cppconn/jdbc/mysql_connection.h>
#include <mysql-cppconn/jdbc/cppconn/driver.h>
#include <mysql-cppconn/jdbc/cppconn/exception.h>
#include <mysql-cppconn/jdbc/cppconn/resultset.h>
#include <mysql-cppconn/jdbc/cppconn/statement.h>


using namespace std;

int main() {
  // clear the console screen
  system("clear");

  cout << endl;
  cout << "Running 'SELECT 'Hello World!' AS _message'..." << endl;

  try{
    sql::Driver *driver;
    sql::Connection *conn;
    sql::Statement *stmt;
    sql::ResultSet *res;

    // create connection
    driver = get_driver_instance();
    conn = driver->connect("tcp://127.0.0.1:3306", "root", "test");
    // connect to MySQL datbase
    conn->setSchema("R42");

    stmt = conn->createStatement();
    res = stmt->executeQuery("SELECT 'Hello World' AS _message");
    while(res->next()) {
      cout << "\t... MySQL replies: ";
      // access column data by alias or column name
      cout << res->getString("_message") << endl;
      cout << "\t... MySQL says it again: ";
      // access column data by numeric offset, 1 is the first column
      cout << res->getString(1) << endl;
    }
    delete res;
    delete stmt;
    delete conn;
  } catch (sql::SQLException &e) {
    cout << "# ERR: SQLException in " << __FILE__;
    cout << "(" << __FUNCTION__ << ") on line " << __LINE__ << endl;
    cout << "# ERR: " << e.what();
    cout << " MySQL Error Code; " << e.getErrorCode();
    cout << ", SQLState: " << e.getSQLState() << " )" << endl;
  }
  cout << endl;

  return EXIT_SUCCESS;
}