sqlpp11/tests/sqlite3/usage/DynamicSelect.cpp

/*
 * 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 "Tables.h"
#include <sqlpp11/core/name/alias_provider.h>
#include <sqlpp11/functions.h>
#include <sqlpp11/core/clause/insert.h>
#include <sqlpp11/core/clause/remove.h>
#include <sqlpp11/core/clause/select.h>
#include <sqlpp11/sqlite3/database/connection.h>
#include <sqlpp11/core/database/transaction.h>
#include <sqlpp11/core/clause/update.h>

#ifdef SQLPP_USE_SQLCIPHER
#include <sqlcipher/sqlite3.h>
#else
#include <sqlite3.h>
#endif
#include <iostream>
#include <vector>

template <typename T>
std::ostream& operator<<(std::ostream& os, const ::sqlpp::optional<T>& t) {
  if (not t)
    return os << "NULL";
  return os << t.value();
}

SQLPP_ALIAS_PROVIDER(left)

namespace sql = sqlpp::sqlite3;
int DynamicSelect(int, char*[])
{
  sql::connection_config config;
  config.path_to_database = ":memory:";
  config.flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
  config.debug = true;

  sql::connection db(config);
  test::createTabSample(db);

  const auto tab = test::TabSample{};

  auto i = insert_into(tab).columns(tab.beta, tab.gamma);
  i.add_values(tab.beta = "rhabarbertorte", tab.gamma = false);
  // i.add_values(tab.beta = "cheesecake", tab.gamma = false)
  // i.add_values(tab.beta = "kaesekuchen", tab.gamma = true)
  auto last_insert_rowid = db(i);

  std::cerr << "last insert rowid: " << last_insert_rowid << std::endl;

  // Just to demonstrate that you can call basically any function
  std::cerr << "last insert rowid: "
            << db(select(sqlpp::verbatim<sqlpp::integer>("last_insert_rowid()").as(tab.alpha))).front().alpha
            << std::endl;

#warning: add tests with optional columns
  return 0;
}