mirror of
https://github.com/rbock/sqlpp11.git
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207 lines
7.0 KiB
C++
207 lines
7.0 KiB
C++
/*
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* Copyright (c) 2014-2015, niXman (i dot nixman dog gmail dot com)
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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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#ifndef _sqlpp__ppgen_h
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#define _sqlpp__ppgen_h
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#include <boost/preprocessor/config/config.hpp>
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// enable the Clang support
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#if defined(__clang__) && !BOOST_PP_VARIADICS
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# undef BOOST_PP_VARIADICS
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# define BOOST_PP_VARIADICS 1
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#endif // defined(__clang__)
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// tools
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#include <sqlpp11/ppgen/wrap_seq.h>
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// table props
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#include <sqlpp11/ppgen/engine.h>
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#include <sqlpp11/ppgen/character_set.h>
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// col props
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#include <sqlpp11/ppgen/auto_increment.h>
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#include <sqlpp11/ppgen/blob.h>
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#include <sqlpp11/ppgen/bool.h>
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#include <sqlpp11/ppgen/comment.h>
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#include <sqlpp11/ppgen/datetime.h>
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#include <sqlpp11/ppgen/default.h>
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#include <sqlpp11/ppgen/floating_point.h>
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#include <sqlpp11/ppgen/index.h>
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#include <sqlpp11/ppgen/integer.h>
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#include <sqlpp11/ppgen/not_null.h>
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#include <sqlpp11/ppgen/null.h>
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#include <sqlpp11/ppgen/primary_key.h>
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#include <sqlpp11/ppgen/text.h>
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#include <sqlpp11/ppgen/timestamp.h>
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#include <sqlpp11/ppgen/unique.h>
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#include <sqlpp11/ppgen/varchar.h>
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// boost.preprocessor
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/facilities/expand.hpp>
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#include <boost/preprocessor/punctuation/comma_if.hpp>
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#include <boost/preprocessor/comparison/less.hpp>
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#include <boost/preprocessor/arithmetic/add.hpp>
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#include <boost/preprocessor/seq/for_each.hpp>
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#include <boost/preprocessor/seq/for_each_i.hpp>
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#include <boost/preprocessor/stringize.hpp>
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#include <boost/preprocessor/tuple/elem.hpp>
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#include <boost/preprocessor/tuple/size.hpp>
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#include <boost/preprocessor/tuple/pop_front.hpp>
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#include <boost/preprocessor/tuple/to_seq.hpp>
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/***************************************************************************/
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// tools
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#define SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table) \
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BOOST_PP_TUPLE_ELEM(0, BOOST_PP_EXPAND table)
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#define SQLPP_DECLARE_TABLE_GET_TABLE_PROPS(table) \
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BOOST_PP_TUPLE_POP_FRONT(BOOST_PP_EXPAND table)
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#define SQLPP_DECLARE_COLUMN_GET_COLUMN_NAME(col) \
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BOOST_PP_TUPLE_ELEM(0, col)
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#define SQLPP_DECLARE_TABLE_ENUM_COLUMNS(unused, table, elem) \
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,table::SQLPP_DECLARE_COLUMN_GET_COLUMN_NAME(elem)
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/***************************************************************************/
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// columns
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#define SQLPP_DECLARE_COLUMN_GEN_TRAITS_AUX(unused, size, idx, elem) \
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BOOST_PP_CAT( \
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SQLPP_DECLARE_COLUMN_GEN_TRAITS_ \
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,BOOST_PP_CAT(SQLPP_DECLARE_COLUMN_GET_TRAITS_LAZY_, elem) \
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)(elem) \
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BOOST_PP_COMMA_IF(BOOST_PP_LESS(BOOST_PP_ADD(idx, 1), size))
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#define SQLPP_DECLARE_COLUMN_GEN_TRAITS(props) \
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BOOST_PP_SEQ_FOR_EACH_I( \
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SQLPP_DECLARE_COLUMN_GEN_TRAITS_AUX \
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,BOOST_PP_TUPLE_SIZE(props) \
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,BOOST_PP_TUPLE_TO_SEQ(props) \
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)
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#define SQLPP_DECLARE_COLUMN(unused, data, elem) \
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struct SQLPP_DECLARE_COLUMN_GET_COLUMN_NAME(elem) { \
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struct _alias_t { \
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static constexpr const char _literal[] = \
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BOOST_PP_STRINGIZE(SQLPP_DECLARE_COLUMN_GET_COLUMN_NAME(elem)); \
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using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>; \
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\
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template<typename T> \
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struct _member_t { \
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T SQLPP_DECLARE_COLUMN_GET_COLUMN_NAME(elem); \
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\
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T& operator()() { return SQLPP_DECLARE_COLUMN_GET_COLUMN_NAME(elem); } \
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const T& operator()() const { return SQLPP_DECLARE_COLUMN_GET_COLUMN_NAME(elem); } \
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}; /* struct _member_t */ \
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}; /* struct _alias_t */ \
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\
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using _traits = sqlpp::make_traits< \
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SQLPP_DECLARE_COLUMN_GEN_TRAITS(BOOST_PP_TUPLE_POP_FRONT(elem)) \
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>; \
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\
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}; /* struct SQLPP_DECLARE_COLUMN_GET_COLUMN_NAME(elem) */
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/***************************************************************************/
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// table props
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#define SQLPP_DECLARE_TABLE_GEN_PROPS_AUX(unused1, unused2, elem) \
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BOOST_PP_CAT( \
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SQLPP_DECLARE_TABLE_GEN_ \
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,BOOST_PP_CAT(SQLPP_DECLARE_TABLE_GET_PROC_LAZY_, elem) \
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)(elem)
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#define SQLPP_DECLARE_TABLE_GEN_PROPS(table) \
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BOOST_PP_SEQ_FOR_EACH( \
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SQLPP_DECLARE_TABLE_GEN_PROPS_AUX \
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,~ \
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,BOOST_PP_TUPLE_TO_SEQ(BOOST_PP_TUPLE_POP_FRONT(table)) \
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)
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/***************************************************************************/
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// main
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#define SQLPP_DECLARE_TABLE_IMPL(table, cols) \
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namespace SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table) { \
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namespace BOOST_PP_CAT(SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table), _) { \
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BOOST_PP_SEQ_FOR_EACH( \
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SQLPP_DECLARE_COLUMN \
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,~ \
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,cols \
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) \
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} /* namespace BOOST_PP_CAT(SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table), _) */ \
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\
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struct SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table) \
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: sqlpp::table_t< \
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SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table) \
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BOOST_PP_SEQ_FOR_EACH( \
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SQLPP_DECLARE_TABLE_ENUM_COLUMNS \
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,BOOST_PP_CAT(SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table), _) \
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,cols \
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) \
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> \
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{ \
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BOOST_PP_IF( \
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BOOST_PP_LESS(BOOST_PP_TUPLE_SIZE(table), 2) \
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,BOOST_PP_TUPLE_EAT() \
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,SQLPP_DECLARE_TABLE_GEN_PROPS \
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)(BOOST_PP_EXPAND table) \
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\
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struct _alias_t { \
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static constexpr const char _literal[] = \
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BOOST_PP_STRINGIZE(SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table)); \
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using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>; \
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\
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template<typename T> \
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struct _member_t { \
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T SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table); \
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\
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T& operator()() { return SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table); } \
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const T& operator()() const { return SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table); } \
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\
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}; /* struct _member_t */ \
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\
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}; /* struct _alias_t */ \
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\
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}; /* struct SQLPP_DECLARE_TABLE_GET_TABLE_NAME(table) */ \
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\
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}
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/***************************************************************************/
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#define SQLPP_DECLARE_TABLE(table, cols) \
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SQLPP_DECLARE_TABLE_IMPL( \
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BOOST_PP_CAT(SQLPP_WRAP_SEQUENCE_X table, 0) \
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,BOOST_PP_CAT(SQLPP_WRAP_SEQUENCE_X cols, 0) \
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)
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/***************************************************************************/
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#endif // _sqlpp__ppgen_h
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