sqlpp11/tests/sqlite3/usage/DynamicLoadingTest.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 "TabSample.h"
#include <sqlpp11/alias_provider.h>
#include <sqlpp11/functions.h>
#include <sqlpp11/insert.h>
#include <sqlpp11/remove.h>
#include <sqlpp11/select.h>
#include <sqlpp11/sqlite3/connection.h>
#include <sqlpp11/transaction.h>
#include <sqlpp11/update.h>

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

#include <sqlpp11/sqlite3/dynamic_libsqlite3.h>

SQLPP_ALIAS_PROVIDER(left)

namespace sql = sqlpp::sqlite3;
int main()
{
  sql::connection_config config;
  config.path_to_database = ":memory:";
  config.flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
  config.debug = true;

  sql::connection db(config);
  db.execute("CREATE TABLE tab_sample (\
        alpha bigint(20) DEFAULT NULL,\
            beta varchar(255) DEFAULT NULL,\
            gamma bool DEFAULT NULL\
            )");

  const auto tab = TabSample{};

  auto i = insert_into(tab).columns(tab.beta, tab.gamma);
  i.values.add(tab.beta = "rhabarbertorte", tab.gamma = false);
  // i.values.add(tab.beta = "cheesecake", tab.gamma = false)
  // i.values.add(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;

  // select a static (alpha) and a dynamic column (beta)
  auto s = dynamic_select(db).dynamic_columns(tab.alpha.as(left)).from(tab).unconditionally();
  s.selected_columns.add(tab.beta);
  s.selected_columns.add(tab.gamma);
  for (const auto& row : db(s))
  {
    std::cerr << "row.alpha: " << row.left << ", row.beta: " << row.at("beta") << ", row.gamma: " << row.at("gamma")
              << std::endl;
  };
  return 0;
}