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//
// Copyright (C) 2004-2008 Maciej Sobczak, Stephen Hutton
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
//
#ifndef SOCI_INTO_ROW_H_INCLUDED
#define SOCI_INTO_ROW_H_INCLUDED
#include "soci/into-type.h"
#include "soci/exchange-traits.h"
#include "soci/row.h"
#include "soci/statement.h"
// std
#include <cstddef>
namespace soci
{
namespace details
{
// Support selecting into a row for dynamic queries
template <>
class into_type<row>
: public into_type_base // bypass the standard_into_type
{
public:
into_type(row & r) : r_(r) {}
into_type(row & r, indicator &) : r_(r) {}
private:
// special handling for Row
void define(statement_impl & st, int & /* position */) override
{
st.set_row(&r_);
// actual row description is performed
// as part of the statement execute
}
void pre_exec(int /* num */) override {}
void pre_fetch() override {}
void post_fetch(bool gotData, bool /* calledFromFetch */) override
{
r_.reset_get_counter();
if (gotData)
{
// this is used only to re-dispatch to derived class, if any
// (the derived class might be generated automatically by
// user conversions)
convert_from_base();
}
}
void clean_up() override {}
std::size_t size() const override { return 1; }
virtual void convert_from_base() {}
row & r_;
SOCI_NOT_COPYABLE(into_type)
};
template <>
struct exchange_traits<row>
{
typedef basic_type_tag type_family;
};
} // namespace details
} // namespace soci
#endif
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