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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "sqlitebasestatement.h"
namespace Sqlite {
template<int ResultCount, int BindParameterCount = 0>
class ReadStatement final
: protected StatementImplementation<BaseStatement, ResultCount, BindParameterCount>
{
using Base = StatementImplementation<BaseStatement, ResultCount, BindParameterCount>;
public:
ReadStatement(Utils::SmallStringView sqlStatement, Database &database)
: Base{sqlStatement, database}
{
checkIsReadOnlyStatement();
Base::checkBindingParameterCount(BindParameterCount);
Base::checkColumnCount(ResultCount);
}
using Base::optionalValue;
using Base::range;
using Base::rangeWithTransaction;
using Base::readCallback;
using Base::readTo;
using Base::toValue;
using Base::value;
using Base::values;
template<typename ResultType, typename... QueryTypes>
auto valueWithTransaction(const QueryTypes &...queryValues)
{
DeferredTransaction transaction{Base::database()};
auto resultValue = Base::template value<ResultType>(queryValues...);
transaction.commit();
return resultValue;
}
template<typename ResultType, typename... QueryTypes>
auto optionalValueWithTransaction(const QueryTypes &...queryValues)
{
DeferredTransaction transaction{Base::database()};
auto resultValue = Base::template optionalValue<ResultType>(queryValues...);
transaction.commit();
return resultValue;
}
template<typename ResultType, typename... QueryTypes>
auto valuesWithTransaction(std::size_t reserveSize, const QueryTypes &...queryValues)
{
DeferredTransaction transaction{Base::database()};
auto resultValues = Base::template values<ResultType>(reserveSize, queryValues...);
transaction.commit();
return resultValues;
}
template<typename Callable, typename... QueryTypes>
void readCallbackWithTransaction(Callable &&callable, const QueryTypes &...queryValues)
{
DeferredTransaction transaction{Base::database()};
Base::readCallback(std::forward<Callable>(callable), queryValues...);
transaction.commit();
}
template<typename Container, typename... QueryTypes>
void readToWithTransaction(Container &container, const QueryTypes &...queryValues)
{
DeferredTransaction transaction{Base::database()};
Base::readTo(container, queryValues...);
transaction.commit();
}
protected:
void checkIsReadOnlyStatement()
{
if (!Base::isReadOnlyStatement())
throw NotReadOnlySqlStatement(
"SqliteStatement::SqliteReadStatement: is not read only statement!");
}
};
template<int ResultCount>
ReadStatement(ReadStatement<ResultCount> &) -> ReadStatement<ResultCount>;
template<int ResultCount>
ReadStatement(const ReadStatement<ResultCount> &) -> ReadStatement<ResultCount>;
} // namespace Sqlite
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