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bda77c620b
sqlpp::optional is an alias for std::optional for C++17 and beyond. Otherwise, it is a simple and incomplete backport. For older versions of C++, the library offers simple back Similar for string_view and span.
127 lines
4.7 KiB
C++
127 lines
4.7 KiB
C++
/*
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* Copyright (c) 2013 - 2015, Roland Bock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <cassert>
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#include <iostream>
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#include <vector>
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#include <sqlpp11/postgresql/exception.h>
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#include <sqlpp11/postgresql/postgresql.h>
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#include <sqlpp11/sqlpp11.h>
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#include "TabDateTime.h"
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#include "make_test_connection.h"
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namespace
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{
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const auto now = ::date::floor<::std::chrono::microseconds>(std::chrono::system_clock::now());
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const auto today = ::date::floor<::sqlpp::chrono::days>(now);
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const auto yesterday = today - ::sqlpp::chrono::days{1};
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const auto current = now - today;
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template <typename L, typename R>
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auto require_equal(int line, const L& l, const R& r) -> void
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{
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if (l != r)
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{
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std::cerr << line << ": ";
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serialize(::sqlpp::wrap_operand_t<L>{l}, std::cerr);
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std::cerr << " != ";
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serialize(::sqlpp::wrap_operand_t<R>{r}, std::cerr);
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throw std::runtime_error("Unexpected result");
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}
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}
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} // namespace
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int DateTime(int, char*[])
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{
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namespace sql = sqlpp::postgresql;
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sql::connection db = sql::make_test_connection();
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db.execute(R"(DROP TABLE IF EXISTS tabdatetime;)");
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db.execute(R"(CREATE TABLE tabdatetime
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(
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c_timepoint timestamp with time zone,
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c_time time with time zone,
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c_day date
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))");
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model::TabDateTime tab = {};
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try
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{
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db(insert_into(tab).default_values());
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for (const auto& row : db(select(all_of(tab)).from(tab).unconditionally()))
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{
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require_equal(__LINE__, row.c_day.has_value(), false);
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require_equal(__LINE__, row.c_time.has_value(), false);
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require_equal(__LINE__, row.c_timepoint.has_value(), false);
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}
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db(update(tab).set(tab.c_day = today, tab.c_time = current, tab.c_timepoint = now).unconditionally());
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for (const auto& row : db(select(all_of(tab)).from(tab).unconditionally()))
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{
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require_equal(__LINE__, row.c_day.value(), today);
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require_equal(__LINE__, row.c_time.value(), current);
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require_equal(__LINE__, row.c_timepoint.value(), now);
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}
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db(update(tab).set(tab.c_day = yesterday, tab.c_timepoint = today).unconditionally());
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for (const auto& row : db(select(all_of(tab)).from(tab).unconditionally()))
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{
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require_equal(__LINE__, row.c_day.value(), yesterday);
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require_equal(__LINE__, row.c_time.value(), current);
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require_equal(__LINE__, row.c_timepoint.value(), today);
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}
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auto prepared_update = db.prepare(update(tab)
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.set(tab.c_day = parameter(tab.c_day),
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tab.c_time = parameter(tab.c_time),
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tab.c_timepoint = parameter(tab.c_timepoint))
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.unconditionally());
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prepared_update.params.c_day = today;
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prepared_update.params.c_time = current;
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prepared_update.params.c_timepoint = now;
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std::cout << "---- running prepared update ----" << std::endl;
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db(prepared_update);
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std::cout << "---- finished prepared update ----" << std::endl;
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for (const auto& row : db(select(all_of(tab)).from(tab).unconditionally()))
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{
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require_equal(__LINE__, row.c_day.value(), today);
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require_equal(__LINE__, row.c_time.value(), current);
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require_equal(__LINE__, row.c_timepoint.value(), now);
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}
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}
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catch (const sql::failure& e)
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{
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std::cerr << "Exception: " << e.what() << std::endl;
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return 1;
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}
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return 0;
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}
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