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mirror of https://github.com/rbock/sqlpp11.git synced 2024-12-27 16:41:08 +08:00
sqlpp11/tests/mysql/usage/MoveConstructor.cpp
MeanSquaredError 9b49afa306
Add is_transaction_active() to all connectors (#550)
* Document the connector API method is_transaction_active()
* Move mysql::connection_base::is_transaction_active() to the other transaction-handling methods.
* Add more tests for mysql::connection::is_transaction_active()
* Add postgresql::connection_base::is_transaction_active()
* Add tests for postgresql::connection_base::is_transaction_active()
* Change the type of the SQLite3 transaction status from transaction_status_type to a boolean flag.
* Add sqlite3::connection_base::is_transaction_active()
* Add tests for sqlite3::connection_base::is_transaction_active()
* When closing a transaction do it in the following order: report (if any), execute SQL command, set transaction active flag to false.
2024-01-05 08:59:42 +01:00

87 lines
3.2 KiB
C++

/*
* Copyright (c) 2013 - 2015, 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 "make_test_connection.h"
#include "TabSample.h"
#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 <cassert>
#include <iostream>
#include <vector>
namespace sql = sqlpp::mysql;
int MoveConstructor(int, char*[])
{
sql::global_library_init();
auto config = sql::make_test_config();
try
{
std::vector<sql::connection> connections;
connections.emplace_back(sql::connection(config));
connections.at(0).execute(R"(DROP TABLE IF EXISTS tab_sample)");
connections.at(0).execute(R"(CREATE TABLE tab_sample (
alpha bigint(20) DEFAULT NULL,
beta varchar(255) DEFAULT NULL,
gamma bool DEFAULT NULL
))");
assert(connections.at(0).is_transaction_active() == false);
connections.at(0).start_transaction();
auto db = std::move(connections.at(0));
assert(db.is_transaction_active());
const auto tab = TabSample{};
db(insert_into(tab).set(tab.gamma = true));
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);
db(i);
auto s = dynamic_select(db).dynamic_columns(tab.alpha).from(tab).unconditionally();
s.selected_columns.add(tab.beta);
for (const auto& row : db(s))
{
std::cerr << "row.alpha: " << row.alpha << ", row.beta: " << row.at("beta") << std::endl;
};
db.commit_transaction();
assert(db.is_transaction_active() == false);
}
catch (const std::exception& e)
{
std::cerr << "Exception: " << e.what() << std::endl;
return 1;
}
return 0;
}