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Added alias operators to wrapped value operands

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rbock 2014-08-18 21:10:58 +02:00
parent f859f7fe4a
commit e5e97d10b6
4 changed files with 50 additions and 11 deletions
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2
include/sqlpp11/basic_expression_operators.h
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@ -32,7 +32,7 @@
#include <sqlpp11/expression_fwd.h>
#include <sqlpp11/in_fwd.h>
#include <sqlpp11/is_null_fwd.h>
#include <sqlpp11/wrap_operand.h>
#include <sqlpp11/wrap_operand_fwd.h>
#include <sqlpp11/detail/logic.h>
namespace sqlpp

17
include/sqlpp11/wrap_operand.h
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@ -28,8 +28,10 @@
#define SQLPP_DETAIL_WRAP_OPERAND_H
#include <string>
#include <sqlpp11/wrap_operand_fwd.h>
#include <sqlpp11/serializer.h>
#include <sqlpp11/type_traits.h>
#include <sqlpp11/basic_expression_operators.h>
namespace sqlpp
{
@ -38,7 +40,7 @@ namespace sqlpp
struct floating_point;
struct text;
struct boolean_operand
struct boolean_operand: public alias_operators<boolean_operand>
{
using _traits = make_traits<::sqlpp::boolean, ::sqlpp::tag::is_expression, ::sqlpp::tag::is_wrapped_value>;
using _recursive_traits = make_recursive_traits<>;
@ -76,7 +78,7 @@ namespace sqlpp
}
};
struct integral_operand
struct integral_operand: public alias_operators<integral_operand>
{
using _traits = make_traits<::sqlpp::integral, ::sqlpp::tag::is_expression, ::sqlpp::tag::is_wrapped_value>;
using _recursive_traits = make_recursive_traits<>;
@ -115,7 +117,7 @@ namespace sqlpp
};
struct floating_point_operand
struct floating_point_operand: public alias_operators<floating_point_operand>
{
using _traits = make_traits<::sqlpp::floating_point, ::sqlpp::tag::is_expression, ::sqlpp::tag::is_wrapped_value>;
using _recursive_traits = make_recursive_traits<>;
@ -153,7 +155,7 @@ namespace sqlpp
}
};
struct text_operand
struct text_operand: public alias_operators<text_operand>
{
using _traits = make_traits<::sqlpp::text, ::sqlpp::tag::is_expression, ::sqlpp::tag::is_wrapped_value>;
using _recursive_traits = make_recursive_traits<>;
@ -191,7 +193,7 @@ namespace sqlpp
}
};
template<typename T, typename Enable = void>
template<typename T, typename Enable>
struct wrap_operand
{
using type = T;
@ -221,11 +223,6 @@ namespace sqlpp
using type = text_operand;
};
// FIXME: Need to allow std::ref arguments
template<typename T>
using wrap_operand_t = typename wrap_operand<T>::type;
}
#endif

40
include/sqlpp11/wrap_operand_fwd.h Normal file
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@ -0,0 +1,40 @@
/*
* Copyright (c) 2013-2014, 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_DETAIL_WRAP_OPERAND_FWD_H
#define SQLPP_DETAIL_WRAP_OPERAND_FWD_H
namespace sqlpp
{
template<typename T, typename Enable = void>
struct wrap_operand;
template<typename T>
using wrap_operand_t = typename wrap_operand<T>::type;
}
#endif

2
tests/SelectTest.cpp
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@ -92,5 +92,7 @@ int main()
printer.reset();
std::cerr << serialize(stat, printer).str() << std::endl;
select(sqlpp::value(7).as(t.alpha));
return 0;
}