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Fixed hidden return type parts in custom query

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rbock 2016-08-23 18:09:25 +02:00
parent 82278f80ae
commit 33992a6651
1 changed files with 13 additions and 1 deletions
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14
include/sqlpp11/custom_query.h
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@ -40,11 +40,23 @@ namespace sqlpp
namespace detail
{
template <typename T>
struct unhide
{
using type = T;
};
template <typename Clause>
struct unhide<hidden_t<Clause>>
{
using type = Clause;
};
template <typename Db, typename... Parts>
struct custom_parts_t
{
using _custom_query_t = custom_query_t<Db, Parts...>;
using _result_type_provider = detail::get_first_if<is_return_value_t, noop, Parts...>;
using _maybe_hidden_result_type_provider = detail::get_first_if<is_return_value_t, noop, Parts...>;
using _result_type_provider = typename unhide<_maybe_hidden_result_type_provider>::type;
using _result_methods_t = typename _result_type_provider::template _result_methods_t<_result_type_provider>;
};
}