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mirror of https://github.com/rbock/sqlpp11.git synced 2024-11-15 20:31:16 +08:00

Removed the dreaded make_expression_tuple and make_flag_tuple

This commit is contained in:
rbock 2014-02-07 23:51:21 +01:00
parent 0a744455ec
commit c5ef725106
4 changed files with 2 additions and 141 deletions

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@ -1,64 +0,0 @@
/*
* Copyright (c) 2013, 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_MAKE_EXPRESSION_TUPLE_H
#define SQLPP_DETAIL_MAKE_EXPRESSION_TUPLE_H
namespace sqlpp
{
namespace detail
{
template<typename Expr>
auto make_single_expression_tuple(Expr expr)
-> typename std::enable_if<is_named_expression_t<Expr>::value, decltype(std::make_tuple(expr))>::type
{
return std::make_tuple(expr);
};
template<typename Expr>
auto make_single_expression_tuple(Expr expr)
-> typename std::enable_if<is_select_flag_t<Expr>::value, std::tuple<>>::type
{
return {};
};
template<typename... Expr>
auto make_single_expression_tuple(std::tuple<Expr...> t)
-> std::tuple<Expr...>
{
return t;
};
template<typename... Expr>
auto make_expression_tuple(Expr... expr)
-> decltype(std::tuple_cat(make_single_expression_tuple(expr)...))
{
return std::tuple_cat(make_single_expression_tuple(expr)...);
};
}
}
#endif

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@ -1,70 +0,0 @@
/*
* Copyright (c) 2013, 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_MAKE_FLAG_TUPLE_H
#define SQLPP_DETAIL_MAKE_FLAG_TUPLE_H
namespace sqlpp
{
namespace detail
{
// accept select flags
template<typename Expr>
auto make_single_flag_tuple(Expr expr) -> typename std::enable_if<is_select_flag_t<Expr>::value, decltype(std::make_tuple(expr))>::type
{
return std::make_tuple(expr);
};
// ignore named expressions
template<typename Expr>
auto make_single_flag_tuple(Expr expr) -> typename std::enable_if<is_named_expression_t<Expr>::value, std::tuple<>>::type
{
return {};
};
// ignore tables
template<typename Tab>
auto make_single_flag_tuple(Tab tab) -> typename std::enable_if<is_table_t<Tab>::value, std::tuple<>>::type
{
return {};
};
// ignore tuples of expressions
template<typename... Expr>
auto make_single_flag_tuple(std::tuple<Expr...> t) -> std::tuple<>
{
return {};
};
template<typename... Expr>
auto make_flag_tuple(Expr... expr) -> decltype(std::tuple_cat(make_single_flag_tuple(expr)...))
{
return std::tuple_cat(make_single_flag_tuple(expr)...);
};
}
}
#endif

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@ -28,7 +28,6 @@
#define SQLPP_MULTI_COLUMN_H #define SQLPP_MULTI_COLUMN_H
#include <sqlpp11/no_value.h> #include <sqlpp11/no_value.h>
#include <sqlpp11/detail/make_expression_tuple.h>
#include <sqlpp11/detail/logic.h> #include <sqlpp11/detail/logic.h>
namespace sqlpp namespace sqlpp
@ -74,13 +73,13 @@ namespace sqlpp
{ {
template<typename AliasProvider, typename... Expr> template<typename AliasProvider, typename... Expr>
using make_multi_column_t = using make_multi_column_t =
multi_column_t<AliasProvider, decltype(make_expression_tuple(std::declval<Expr>()...))>; multi_column_t<AliasProvider, std::tuple<Expr...>>;
} }
template<typename AliasProvider, typename... NamedExpr> template<typename AliasProvider, typename... NamedExpr>
detail::make_multi_column_t<AliasProvider, NamedExpr...> multi_column(const AliasProvider& aliasProvider, NamedExpr... namedExpr) detail::make_multi_column_t<AliasProvider, NamedExpr...> multi_column(const AliasProvider& aliasProvider, NamedExpr... namedExpr)
{ {
return { detail::make_expression_tuple(namedExpr...)}; return { std::tuple<NamedExpr...>(namedExpr...)};
} }
} }

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@ -48,10 +48,6 @@
#include <sqlpp11/vendor/policy.h> #include <sqlpp11/vendor/policy.h>
#include <sqlpp11/vendor/policy_update.h> #include <sqlpp11/vendor/policy_update.h>
#include <sqlpp11/detail/make_flag_tuple.h>
#include <sqlpp11/detail/make_expression_tuple.h>
namespace sqlpp namespace sqlpp
{ {
namespace detail namespace detail