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85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
#pragma once
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/*
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* Copyright (c) 2013-2015, 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/char_sequence.h>
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#include <sqlpp11/data_types/time_point/data_type.h>
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namespace sqlpp
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{
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struct current_timestamp_alias_t
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{
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struct _alias_t
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{
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static constexpr const char _literal[] = "current_timestamp_";
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using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
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template <typename T>
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struct _member_t
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{
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T current_timestamp;
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T& operator()()
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{
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return current_timestamp;
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}
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const T& operator()() const
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{
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return current_timestamp;
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}
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};
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};
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};
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struct current_timestamp_t : public expression_operators<current_timestamp_t, time_point>, public alias_operators<current_timestamp_t>
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{
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using _traits = make_traits<time_point, tag::is_expression, tag::is_selectable>;
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using _nodes = detail::type_vector<>;
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using _can_be_null = std::false_type;
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using _auto_alias_t = current_timestamp_alias_t;
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constexpr current_timestamp_t()
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{
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}
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current_timestamp_t(const current_timestamp_t&) = default;
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current_timestamp_t(current_timestamp_t&&) = default;
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current_timestamp_t& operator=(const current_timestamp_t&) = default;
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current_timestamp_t& operator=(current_timestamp_t&&) = default;
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~current_timestamp_t() = default;
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};
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template <typename Context>
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Context& serialize(const current_timestamp_t& t, Context& context)
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{
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context << "CURRENT_TIMESTAMP";
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return context;
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}
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constexpr current_timestamp_t current_timestamp{};
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} // namespace sqlpp
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