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Added prepare_check

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rbock
2014-11-25 17:56:51 +01:00
parent 809d42e4a1
commit 7ba973d9af
2 changed files with 41 additions and 2 deletions
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30
include/sqlpp11/type_traits.h
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@@ -257,7 +257,7 @@ namespace sqlpp
template<typename Context, typename... T>
using serialize_check_of = detail::get_first_if<is_inconsistent_t, consistent_t, typename serializer_t<Context, T>::_serialize_check...>;
struct assert_statement_or_prepared_t
struct assert_run_statement_or_prepared_t
{
using type = std::false_type;
@@ -268,10 +268,21 @@ namespace sqlpp
};
};
struct assert_prepare_statement_t
{
using type = std::false_type;
template<typename T = void>
static void _()
{
static_assert(wrong_t<T>::value, "connection cannot prepare something that is not a statement");
};
};
template<typename T, typename Enable = void>
struct run_check
{
using type = assert_statement_or_prepared_t;
using type = assert_run_statement_or_prepared_t;
};
template<typename T>
@@ -283,6 +294,21 @@ namespace sqlpp
template<typename T>
using run_check_t = typename run_check<T>::type;
template<typename T, typename Enable = void>
struct prepare_check
{
using type = assert_prepare_statement_t;
};
template<typename T>
struct prepare_check<T, typename std::enable_if<is_statement_t<T>::value>::type>
{
using type = typename T::_prepare_check;
};
template<typename T>
using prepare_check_t = typename prepare_check<T>::type;
template<typename Context, typename T, typename Enable = void>
struct serialize_check