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92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
#pragma once
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/*
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* Copyright (c) 2013-2016, Roland Bock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sqlpp11/join_types.h>
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#include <sqlpp11/pre_join.h>
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#include <sqlpp11/on.h>
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namespace sqlpp
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{
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template <typename PreJoin, typename On>
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struct join_t
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{
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using _traits = make_traits<no_value_t, tag::is_table, tag::is_join>;
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using _nodes = detail::type_vector<PreJoin, On>;
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using _can_be_null = std::false_type;
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using _provided_tables = provided_tables_of<PreJoin>;
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using _required_tables = detail::make_difference_set_t<required_tables_of<On>, _provided_tables>;
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template <typename T>
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auto join(T t) const -> decltype(::sqlpp::join(*this, t))
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{
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return ::sqlpp::join(*this, t);
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}
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template <typename T>
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auto inner_join(T t) const -> decltype(::sqlpp::inner_join(*this, t))
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{
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return ::sqlpp::inner_join(*this, t);
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}
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template <typename T>
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auto left_outer_join(T t) const -> decltype(::sqlpp::left_outer_join(*this, t))
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{
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return ::sqlpp::left_outer_join(*this, t);
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}
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template <typename T>
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auto right_outer_join(T t) const -> decltype(::sqlpp::right_outer_join(*this, t))
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{
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return ::sqlpp::right_outer_join(*this, t);
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}
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template <typename T>
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auto outer_join(T t) const -> decltype(::sqlpp::outer_join(*this, t))
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{
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return ::sqlpp::outer_join(*this, t);
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}
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template <typename T>
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auto cross_join(T t) const -> decltype(::sqlpp::cross_join(*this, t))
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{
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return ::sqlpp::cross_join(*this, t);
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}
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PreJoin _pre_join;
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On _on;
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};
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template <typename Context, typename PreJoin, typename On>
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Context& serialize(const join_t<PreJoin, On>& t, Context& context)
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{
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serialize(t._pre_join, context);
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serialize(t._on, context);
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return context;
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}
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} // namespace sqlpp
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