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sqlpp11/include/sqlpp11/table.h
2015-12-15 18:20:33 +03:00

121 lines
3.9 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.
*/
#ifndef SQLPP_TABLE_H
#define SQLPP_TABLE_H
#include <sqlpp11/type_traits.h>
#include <sqlpp11/table_alias.h>
#include <sqlpp11/all_of.h>
#include <sqlpp11/column.h>
#include <sqlpp11/detail/type_set.h>
#include <sqlpp11/join.h>
#include <sqlpp11/no_value.h>
namespace sqlpp
{
struct table_base_t
{
};
template <typename Table, typename... ColumnSpec>
struct table_t : public table_base_t, public ColumnSpec::_alias_t::template _member_t<column_t<Table, ColumnSpec>>...
{
using _traits = make_traits<no_value_t, tag::is_raw_table, tag::is_table>;
using _nodes = detail::type_vector<>;
using _provided_tables = detail::type_set<Table>;
static_assert(sizeof...(ColumnSpec), "at least one column required per table");
using _required_insert_columns =
typename detail::make_type_set_if<require_insert_t, column_t<Table, ColumnSpec>...>::type;
using _column_tuple_t = std::tuple<column_t<Table, ColumnSpec>...>;
template <typename AliasProvider, typename T>
using _foreign_table_alias_t = table_alias_t<AliasProvider, T, ColumnSpec...>;
template <typename AliasProvider>
using _alias_t = table_alias_t<AliasProvider, Table, ColumnSpec...>;
template <typename T>
join_t<inner_join_t, Table, T> join(T t) const
{
return {*static_cast<const Table*>(this), t, {}};
}
template <typename T>
join_t<inner_join_t, Table, T> inner_join(T t) const
{
return {*static_cast<const Table*>(this), t, {}};
}
template <typename T>
join_t<outer_join_t, Table, T> outer_join(T t) const
{
return {*static_cast<const Table*>(this), t, {}};
}
template <typename T>
join_t<left_outer_join_t, Table, T> left_outer_join(T t) const
{
return {*static_cast<const Table*>(this), t, {}};
}
template <typename T>
join_t<right_outer_join_t, Table, T> right_outer_join(T t) const
{
return {*static_cast<const Table*>(this), t, {}};
}
template <typename AliasProvider>
_alias_t<AliasProvider> as(const AliasProvider&) const
{
return {*static_cast<const Table*>(this)};
}
const Table& ref() const
{
return *static_cast<const Table*>(this);
}
};
template <typename Context, typename X>
struct serializer_t<
Context,
X,
typename std::enable_if<std::is_base_of<table_base_t, X>::value and not is_pseudo_table_t<X>::value, void>::type>
{
using _serialize_check = consistent_t;
using T = X;
static Context& _(const T&, Context& context)
{
context << name_of<T>::char_ptr();
return context;
}
};
}
#endif