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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#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)
{
return withImplicitTransaction(Base::database(), [&] {
return Base::template value<ResultType>(queryValues...);
});
}
template<typename ResultType, typename... QueryTypes>
auto optionalValueWithTransaction(const QueryTypes &...queryValues)
{
return withImplicitTransaction(Base::database(), [&] {
return Base::template optionalValue<ResultType>(queryValues...);
});
}
template<typename ResultType, std::size_t capacity = 32, typename... QueryTypes>
auto valuesWithTransaction(const QueryTypes &...queryValues)
{
return withImplicitTransaction(Base::database(), [&] {
return Base::template values<ResultType, capacity>(queryValues...);
});
}
template<typename Callable, typename... QueryTypes>
void readCallbackWithTransaction(Callable &&callable, const QueryTypes &...queryValues)
{
withImplicitTransaction(Base::database(), [&] {
Base::readCallback(std::forward<Callable>(callable), queryValues...);
});
}
template<typename Container, typename... QueryTypes>
void readToWithTransaction(Container &container, const QueryTypes &...queryValues)
{
withImplicitTransaction(Base::database(), [&] { Base::readTo(container, queryValues...); });
}
protected:
void checkIsReadOnlyStatement()
{
if (!Base::isReadOnlyStatement())
throw NotReadOnlySqlStatement();
}
};
template<int ResultCount>
ReadStatement(ReadStatement<ResultCount> &) -> ReadStatement<ResultCount>;
template<int ResultCount>
ReadStatement(const ReadStatement<ResultCount> &) -> ReadStatement<ResultCount>;
} // namespace Sqlite
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