text: /*
   * Copyright (c) 2013 - 2016, Roland Bock
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *
   *  * Redistributions of source code must retain the above copyright notice,
   *    this list of conditions and the following disclaimer.
   *  * Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
   * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "TabSample.h"
  #include <cassert>
  #include <sqlpp11/alias_provider.h>
  #include <sqlpp11/functions.h>
  #include <sqlpp11/insert.h>
  #include <sqlpp11/mysql/connection.h>
  #include <sqlpp11/remove.h>
  #include <sqlpp11/select.h>
  #include <sqlpp11/transaction.h>
  #include <sqlpp11/update.h>
  
  #include <iostream>
  #include <vector>
  
  const auto library_raii = sqlpp::mysql::scoped_library_initializer_t{0, nullptr, nullptr};
  
  namespace sql = sqlpp::mysql;
  const auto tab = TabSample{};
  
  void testPreparedStatementResult(sql::connection& db)
  {
    auto preparedInsert = db.prepare(insert_into(tab).set(tab.beta = parameter(tab.beta)));
    preparedInsert.params.beta = sqlpp::null;
    db(preparedInsert);
    preparedInsert.params.beta = "17";
    db(preparedInsert);
    preparedInsert.params.beta = sqlpp::value_or_null<sqlpp::text>(sqlpp::null);
    db(preparedInsert);
    preparedInsert.params.beta = sqlpp::value_or_null("17");
    db(preparedInsert);
  
    auto preparedSelectAll = db.prepare(sqlpp::select(count(tab.alpha)).from(tab).unconditionally());
    auto preparedUpdateAll = db.prepare(sqlpp::update(tab).set(tab.gamma = false).unconditionally());
  
    {
      // explicit result scope
      // if results are released update should execute without exception
      auto result = db(preparedSelectAll);
      std::ignore = result.front().count;
    }
  
    db(preparedUpdateAll);
  }
  
  int Prepared(int, char*[])
  {
    auto config = std::make_shared<sql::connection_config>();
    config->user = "root";
    config->database = "sqlpp_mysql";
    config->debug = true;
    try
    {
      sql::connection db(config);
    }
    catch (const sqlpp::exception& e)
    {
      std::cerr << "For testing, you'll need to create a database sqlpp_mysql for user root (no password)" << std::endl;
      std::cerr << e.what() << std::endl;
      return 1;
    }
    try
    {
      sql::connection db(config);
      db.execute(R"(DROP TABLE IF EXISTS tab_sample)");
      db.execute(R"(CREATE TABLE tab_sample (
  		alpha bigint(20) AUTO_INCREMENT,
  			beta varchar(255) DEFAULT NULL,
  			gamma bool DEFAULT NULL,
  			PRIMARY KEY (alpha)
  			))");
      db.execute(R"(DROP TABLE IF EXISTS tab_foo)");
      db.execute(R"(CREATE TABLE tab_foo (
  		omega bigint(20) DEFAULT NULL
  			))");
  
      testPreparedStatementResult(db);
    }
    catch (const std::exception& e)
    {
      std::cerr << "Exception: " << e.what() << std::endl;
      return 1;
    }
    return 0;
  }
  