ulib/3party/sqlpp11/tests/core/usage/Update.cpp
tqcq 99c258107b
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feat/support_orm (#2)
Co-authored-by: tqcq <99722391+tqcq@users.noreply.github.com>
Reviewed-on: #2
2024-01-06 13:56:45 +00:00

79 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 "MockDb.h"
#include "Sample.h"
#include "is_regular.h"
#include <iostream>
#include <sqlpp11/sqlpp11.h>
int Update(int, char*[])
{
MockDb db;
MockDb::_serializer_context_t printer = {};
const auto t = test::TabBar{};
{
using T = decltype(update(t));
static_assert(sqlpp::is_regular<T>::value, "type requirement");
}
{
using T = decltype(update(t).set(t.gamma = false).where(t.beta != "transparent"));
static_assert(sqlpp::is_regular<T>::value, "type requirement");
}
{
using T = decltype(dynamic_update(db, t).dynamic_set(t.gamma = false).dynamic_where());
static_assert(sqlpp::is_regular<T>::value, "type requirement");
}
serialize(update(t), printer).str();
serialize(update(t).set(t.gamma = false), printer).str();
serialize(update(t).set(t.gamma = false).where(t.beta != "transparent"), printer).str();
serialize(update(t).set(t.beta = "opaque").where(t.beta != t.beta + "this is nonsense"), printer).str();
auto u = dynamic_update(db, t).dynamic_set(t.gamma = false).dynamic_where();
u.assignments.add(t.beta = "cannot update gamma a second time");
u.where.add(t.gamma != false);
printer.reset();
std::cerr << serialize(u, printer).str() << std::endl;
db(u);
auto values = [&t]() { return std::make_tuple(t.delta += t.alpha, t.beta = "no cake this time"); };
db(update(t).set(t.delta = sqlpp::verbatim<sqlpp::integer>("17+4")).unconditionally());
db(update(t)
.set(t.delta = sqlpp::verbatim<sqlpp::integer>("17+4"))
.where(sqlpp::verbatim<sqlpp::text>("'hansi'") == "hansi"));
db(update(t).set(t.delta = sqlpp::null).unconditionally());
db(update(t).set(t.delta = sqlpp::default_value).unconditionally());
db(update(t).set(t.delta += t.alpha * 2, t.beta += " and cake").unconditionally());
db(update(t).set(values()).unconditionally());
return 0;
}