Merge branch 'develop' of https://github.com/isliser/sqlpp11 into isliser-develop

Conflicts:
	include/sqlpp11/where.h

include/sqlpp11/basic_expression_operators.h

@@ -123,12 +123,23 @@ namespace sqlpp
                                 Expr,
                                 wrap_operand_t<T>>;
 
+    // workaround for msvs bug
+    //	template <template <typename Lhs, typename... Rhs> class NewExpr, typename... T>
+    //    using _new_nary_expression_t =
+    //        new_nary_expression_t<logic::all_t<check_rhs_comparison_operand_t<ValueType,
+    //        wrap_operand_t<T>>::value...>,
+    //                              NewExpr,
+    //                              Expr,
+    //                              wrap_operand_t<T>...>;
     template <template <typename Lhs, typename... Rhs> class NewExpr, typename... T>
-    using _new_nary_expression_t =
+    struct _new_nary_expression
+    {
+      using type =
           new_nary_expression_t<logic::all_t<check_rhs_comparison_operand_t<ValueType, wrap_operand_t<T>>::value...>,
                                 NewExpr,
                                 Expr,
                                 wrap_operand_t<T>...>;
+    };
 
     template <typename T>
     _new_binary_expression_t<equal_to_t, T> operator==(T t) const
@@ -205,18 +216,32 @@ namespace sqlpp
     }
 
     // Hint: use value_list wrapper for containers...
+    // workaround for msvs bug
+    //	template <typename... T>
+    //	_new_nary_expression_t<in_t, T...> in(T... t) const
+    //	{
+    //		check_rhs_in_arguments_t<ValueType, wrap_operand_t<T>...>::_();
+    //		return {*static_cast<const Expr*>(this), wrap_operand_t<T>{t}...};
+    //	}
     template <typename... T>
-    _new_nary_expression_t<in_t, T...> in(T... t) const
+    typename _new_nary_expression<in_t, T...>::type in(T... t) const
     {
       check_rhs_in_arguments_t<ValueType, wrap_operand_t<T>...>::_();
-      return {*static_cast<const Expr*>(this), wrap_operand_t<T>{t}...};
+      return {*static_cast<const Expr*>(this), typename wrap_operand<T>::type{t}...};
     }
 
+    // workaround for msvs bug
+    //	template <typename... T>
+    //	_new_nary_expression_t<not_in_t, T...> not_in(T... t) const
+    //	{
+    //		check_rhs_in_arguments_t<ValueType, wrap_operand_t<T>...>::_();
+    //		return {*static_cast<const Expr*>(this), wrap_operand_t<T>{t}...};
+    //	}
     template <typename... T>
-    _new_nary_expression_t<not_in_t, T...> not_in(T... t) const
+    typename _new_nary_expression<not_in_t, T...>::type not_in(T... t) const
     {
       check_rhs_in_arguments_t<ValueType, wrap_operand_t<T>...>::_();
-      return {*static_cast<const Expr*>(this), wrap_operand_t<T>{t}...};
+      return {*static_cast<const Expr*>(this), typename wrap_operand<T>::type{t}...};
     }
 
     template <typename Defer = void>

include/sqlpp11/column.h

@@ -104,11 +104,24 @@ namespace sqlpp
     }
   };
 
-  template <typename Context, typename... Args>
+  // workaround for msvs bug https://connect.microsoft.com/VisualStudio/feedback/details/2173053
-  struct serializer_t<Context, column_t<Args...>>
+  //  template <typename Context, typename... Args>
+  //  struct serializer_t<Context, column_t<Args...>>
+  //  {
+  //	  using _serialize_check = consistent_t;
+  //	  using T = column_t<Args...>;
+  //
+  //	  static Context& _(const T&, Context& context)
+  //	  {
+  //		  context << name_of<typename T::_table>::char_ptr() << '.' << name_of<T>::char_ptr();
+  //		  return context;
+  //	  }
+  //  };
+  template <typename Context, typename Args1, typename Args2>
+  struct serializer_t<Context, column_t<Args1, Args2>>
   {
     using _serialize_check = consistent_t;
-    using T = column_t<Args...>;
+    using T = column_t<Args1, Args2>;
 
     static Context& _(const T&, Context& context)
     {

include/sqlpp11/cte.h

@@ -123,9 +123,18 @@ namespace sqlpp
   template <typename AliasProvider, typename Statement>
   using make_cte_t = typename make_cte_impl<AliasProvider, Statement, get_result_row_t<Statement>>::type;
 
+  // workaround for msvc unknown internal error
+  //  template <typename AliasProvider, typename Statement, typename... FieldSpecs>
+  //  struct cte_t
+  //	  : public member_t<cte_column_spec_t<FieldSpecs>, column_t<AliasProvider, cte_column_spec_t<FieldSpecs>>>...
+  template <typename AliasProvider, typename FieldSpec>
+  struct cte_base
+  {
+    using type = member_t<cte_column_spec_t<FieldSpec>, column_t<AliasProvider, cte_column_spec_t<FieldSpec>>>;
+  };
+
   template <typename AliasProvider, typename Statement, typename... FieldSpecs>
-  struct cte_t
+  struct cte_t : public cte_base<AliasProvider, FieldSpecs>::type...
-      : public member_t<cte_column_spec_t<FieldSpecs>, column_t<AliasProvider, cte_column_spec_t<FieldSpecs>>>...
   {
     using _traits = make_traits<no_value_t, tag::is_cte, tag::is_table>;  // FIXME: is table? really?
     using _nodes = detail::type_vector<>;
@@ -137,8 +146,13 @@ namespace sqlpp
 
     using _column_tuple_t = std::tuple<column_t<AliasProvider, cte_column_spec_t<FieldSpecs>>...>;
 
+    // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2086629
+    //	template <typename... T>
+    //	using _check = logic::all_t<is_statement_t<T>::value...>;
     template <typename... T>
-    using _check = logic::all_t<is_statement_t<T>::value...>;
+    struct _check : logic::all_t<is_statement_t<T>::value...>
+    {
+    };
 
     using _result_row_t = result_row_t<void, FieldSpecs...>;
 

include/sqlpp11/data_types/text/like.h

@@ -45,7 +45,9 @@ namespace sqlpp
 
     struct _alias_t
     {
-      static constexpr const char _literal[] = "like_";
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2100550
+      //      static constexpr const char _literal[] = "like_";
+      static constexpr const char _literal[6] = "like_";
       using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
       template <typename T>
       struct _member_t

include/sqlpp11/detail/type_set.h

@@ -246,6 +246,22 @@ namespace sqlpp
 
     template <template <typename> class Transformation, typename T>
     using transform_set_t = typename transform_set<Transformation, T>::type;
+
+    // workaround for msvc bug https://connect.microsoft.com/VisualStudio/feedback/details/2173198
+    template <typename T>
+    struct make_name_of_set
+    {
+      static_assert(wrong_t<make_name_of_set>::value, "invalid argument for transform_set");
+    };
+
+    template <typename... E>
+    struct make_name_of_set<type_set<E...>>
+    {
+      using type = make_type_set_t<typename E::_alias_t::_name_t...>;
+    };
+
+    template <typename T>
+    using make_name_of_set_t = typename make_name_of_set<T>::type;
   }
 }
 

include/sqlpp11/expression_fwd.h

@@ -236,9 +236,17 @@ namespace sqlpp
     };
   }
 
+  // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2086629
+  template <typename Expr>
+  using lhs = detail::lhs_impl<Expr>;
+
   template <typename Expr>
   using lhs_t = typename detail::lhs_impl<Expr>::type;
 
+  // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2086629
+  template <typename Expr>
+  using rhs = detail::rhs_impl<Expr>;
+
   template <typename Expr>
   using rhs_t = typename detail::rhs_impl<Expr>::type;
 }

include/sqlpp11/extra_tables.h

@@ -63,6 +63,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -72,6 +78,13 @@ namespace sqlpp
     {
       using _data_t = extra_tables_data_t<Tables...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : extra_tables{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> extra_tables;
       _impl_t<Policies>& operator()()
       {
@@ -105,6 +118,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -114,6 +133,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_extra_tables{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_extra_tables;
       _impl_t<Policies>& operator()()
       {
@@ -133,8 +159,13 @@ namespace sqlpp
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_extra_tables_t, T>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_table_t<T>::value...>;
       template <typename... T>
-      using _check = logic::all_t<is_table_t<T>::value...>;
+      struct _check : logic::all_t<is_table_t<T>::value...>
+      {
+      };
 
       using _consistency_check = consistent_t;
 
@@ -159,7 +190,9 @@ namespace sqlpp
 
         static constexpr std::size_t _number_of_tables = detail::sum(provided_tables_of<Tables>::size::value...);
         using _unique_tables = detail::make_joined_set_t<provided_tables_of<Tables>...>;
-        using _unique_table_names = detail::transform_set_t<name_of, _unique_tables>;
+        // workaround for msvc bug https://connect.microsoft.com/VisualStudio/feedback/details/2173198
+        //		using _unique_table_names = detail::transform_set_t<name_of, _unique_tables>;
+        using _unique_table_names = detail::make_name_of_set_t<_unique_tables>;
         static_assert(_number_of_tables == _unique_tables::size::value,
                       "at least one duplicate table detected in extra_tables()");
         static_assert(_number_of_tables == _unique_table_names::size::value,

include/sqlpp11/from.h

@@ -71,6 +71,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Table>
       void add(Table table)
       {
@@ -78,7 +84,9 @@ namespace sqlpp
         static_assert(is_table_t<Table>::value, "invalid table argument in from::add()");
         using _known_tables =
             detail::make_joined_set_t<provided_tables_of<Tables>...>;  // Hint: Joins contain more than one table
-        using _known_table_names = detail::transform_set_t<name_of, _known_tables>;
+        // workaround for msvc bug https://connect.microsoft.com/VisualStudio/feedback/details/2173198
+        //		using _known_table_names = detail::transform_set_t<name_of, _known_tables>;
+        using _known_table_names = detail::make_name_of_set_t<_known_tables>;
         static_assert(not detail::is_element_of<typename Table::_alias_t, _known_table_names>::value,
                       "Must not use the same table name twice in from()");
         using _serialize_check = sqlpp::serialize_check_t<typename Database::_serializer_context_t, Table>;
@@ -109,6 +117,13 @@ namespace sqlpp
     {
       using _data_t = from_data_t<Database, Tables...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : from{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> from;
       _impl_t<Policies>& operator()()
       {
@@ -142,6 +157,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -151,6 +172,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_from{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_from;
       _impl_t<Policies>& operator()()
       {
@@ -169,8 +197,13 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_table_t<T>::value...>;
       template <typename... T>
-      using _check = logic::all_t<is_table_t<T>::value...>;
+      struct _check : logic::all_t<is_table_t<T>::value...>
+      {
+      };
 
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_from_t, T>;
@@ -208,7 +241,7 @@ namespace sqlpp
 
         static constexpr std::size_t _number_of_tables = detail::sum(provided_tables_of<Tables>::size::value...);
         using _unique_tables = detail::make_joined_set_t<provided_tables_of<Tables>...>;
-        using _unique_table_names = detail::transform_set_t<name_of, _unique_tables>;
+        using _unique_table_names = detail::make_name_of_set_t<_unique_tables>;
         static_assert(_number_of_tables == _unique_tables::size::value,
                       "at least one duplicate table detected in from()");
         static_assert(_number_of_tables == _unique_table_names::size::value,

include/sqlpp11/group_by.h

@@ -78,6 +78,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Expression>
       void add_ntc(Expression expression)
       {
@@ -119,6 +125,13 @@ namespace sqlpp
     {
       using _data_t = group_by_data_t<Database, Expressions...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : group_by{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> group_by;
       _impl_t<Policies>& operator()()
       {
@@ -154,6 +167,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -163,6 +182,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_group_by{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_group_by;
       _impl_t<Policies>& operator()()
       {
@@ -181,8 +207,13 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_expression_t<T>::value...>;
       template <typename... T>
-      using _check = logic::all_t<is_expression_t<T>::value...>;
+      struct _check : logic::all_t<is_expression_t<T>::value...>
+      {
+      };
 
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_group_by_t, T>;

include/sqlpp11/having.h

@@ -74,6 +74,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Expression>
       void add_ntc(Expression expression)
       {
@@ -115,6 +121,13 @@ namespace sqlpp
     {
       using _data_t = having_data_t<Database, Expressions...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : having{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> having;
       _impl_t<Policies>& operator()()
       {
@@ -150,6 +163,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -159,6 +178,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_having{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_having;
       _impl_t<Policies>& operator()()
       {
@@ -177,8 +203,13 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_expression_t<T>::value...>;
       template <typename... T>
-      using _check = logic::all_t<is_expression_t<T>::value...>;
+      struct _check : logic::all_t<is_expression_t<T>::value...>
+      {
+      };
 
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_having_t, T>;

include/sqlpp11/insert_value_list.h

@@ -78,6 +78,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -87,6 +93,13 @@ namespace sqlpp
     {
       using _data_t = insert_default_values_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : default_values{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> default_values;
       _impl_t<Policies>& operator()()
       {
@@ -111,7 +124,7 @@ namespace sqlpp
   struct insert_list_data_t
   {
     insert_list_data_t(Assignments... assignments)
-        : _assignments(assignments...), _columns({assignments._lhs}...), _values(assignments._rhs...)
+        : _assignments(assignments...), _columns(assignments._lhs...), _values(assignments._rhs...)
     {
     }
 
@@ -142,27 +155,71 @@ namespace sqlpp
   SQLPP_PORTABLE_STATIC_ASSERT(assert_insert_dynamic_set_statement_dynamic_t,
                                "dynamic_set must not be called in a static statement");
 
+  // workaround for msvc bugs https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269 &
+  // https://connect.microsoft.com/VisualStudio/Feedback/Details/2173198
+  //  template <typename... Assignments>
+  //  using check_insert_set_t = static_combined_check_t<
+  //      static_check_t<logic::all_t<is_assignment_t<Assignments>::value...>::value, assert_insert_set_assignments_t>,
+  //      static_check_t<not detail::has_duplicates<lhs_t<Assignments>...>::value, assert_insert_set_no_duplicates_t>,
+  //      static_check_t<logic::none_t<must_not_insert_t<lhs_t<Assignments>>::value...>::value,
+  //                     assert_insert_set_prohibited_t>,
+  //      static_check_t<sizeof...(Assignments) == 0 or
+  //                         detail::make_joined_set_t<required_tables_of<lhs_t<Assignments>>...>::size::value == 1,
+  //                     assert_insert_set_one_table_t>>;
+
+  template <typename Expr>
+  struct must_not_insert
+  {
+    static const bool value = must_not_insert_t<lhs_t<Expr>>::value;
+  };
+
   template <typename... Assignments>
   using check_insert_set_t = static_combined_check_t<
-      static_check_t<logic::all_t<is_assignment_t<Assignments>::value...>::value, assert_insert_set_assignments_t>,
+      static_check_t<logic::all_t<detail::is_assignment_impl<Assignments>::type::value...>::value,
-      static_check_t<not detail::has_duplicates<lhs_t<Assignments>...>::value, assert_insert_set_no_duplicates_t>,
+                     assert_insert_set_assignments_t>,
-      static_check_t<logic::none_t<must_not_insert_t<lhs_t<Assignments>>::value...>::value,
+      static_check_t<not detail::has_duplicates<typename lhs<Assignments>::type...>::value,
-                     assert_insert_set_prohibited_t>,
+                     assert_insert_set_no_duplicates_t>,
-      static_check_t<sizeof...(Assignments) == 0 or
+      static_check_t<logic::none_t<must_not_insert<Assignments>::value...>::value, assert_insert_set_prohibited_t>,
-                         detail::make_joined_set_t<required_tables_of<lhs_t<Assignments>>...>::size::value == 1,
+      static_check_t<
+          sizeof...(Assignments) == 0 or
+              detail::make_joined_set_t<required_tables_of<typename lhs<Assignments>::type>...>::size::value == 1,
           assert_insert_set_one_table_t>>;
 
+  // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+  //  template <typename... Assignments>
+  //  using check_insert_static_set_t =
+  //      static_combined_check_t<check_insert_set_t<Assignments...>,
+  //                              static_check_t<sizeof...(Assignments) != 0, assert_insert_static_set_count_args_t>,
+  //                              static_check_t<detail::have_all_required_columns<lhs_t<Assignments>...>::value,
+  //                                             assert_insert_static_set_all_required_t>>;
   template <typename... Assignments>
-  using check_insert_static_set_t =
+  struct check_insert_static_set
-      static_combined_check_t<check_insert_set_t<Assignments...>,
+  {
+    using type = static_combined_check_t<
+        check_insert_set_t<Assignments...>,
         static_check_t<sizeof...(Assignments) != 0, assert_insert_static_set_count_args_t>,
-                              static_check_t<detail::have_all_required_columns<lhs_t<Assignments>...>::value,
+        static_check_t<detail::have_all_required_columns<typename lhs<Assignments>::type...>::value,
                        assert_insert_static_set_all_required_t>>;
+  };
 
+  template <typename... Assignments>
+  using check_insert_static_set_t = typename check_insert_static_set<Assignments...>::type;
+
+  // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+  //  template <typename Database, typename... Assignments>
+  //  using check_insert_dynamic_set_t = static_combined_check_t<
+  //      static_check_t<not std::is_same<Database, void>::value, assert_insert_dynamic_set_statement_dynamic_t>,
+  //      check_insert_set_t<Assignments...>>;
   template <typename Database, typename... Assignments>
-  using check_insert_dynamic_set_t = static_combined_check_t<
+  struct check_insert_dynamic_set
+  {
+    using type = static_combined_check_t<
         static_check_t<not std::is_same<Database, void>::value, assert_insert_dynamic_set_statement_dynamic_t>,
         check_insert_set_t<Assignments...>>;
+  };
+
+  template <typename Database, typename... Assignments>
+  using check_insert_dynamic_set_t = typename check_insert_dynamic_set<Database, Assignments...>::type;
 
   SQLPP_PORTABLE_STATIC_ASSERT(
       assert_no_unknown_tables_in_insert_assignments_t,
@@ -188,6 +245,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Assignment>
       void add_ntc(Assignment assignment)
       {
@@ -234,6 +297,13 @@ namespace sqlpp
     {
       using _data_t = insert_list_data_t<Database, Assignments...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : insert_list{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> insert_list;
       _impl_t<Policies>& operator()()
       {
@@ -259,7 +329,8 @@ namespace sqlpp
   template <typename... Columns>
   struct column_list_data_t
   {
-    column_list_data_t(Columns... cols) : _columns(simple_column_t<Columns>{cols}...)
+    // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+    column_list_data_t(Columns... cols) : _columns(simple_column_t<Columns>(cols)...)
     {
     }
 
@@ -292,6 +363,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename... Assignments>
       void add(Assignments... assignments)
       {
@@ -326,6 +403,13 @@ namespace sqlpp
     {
       using _data_t = column_list_data_t<Columns...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : values{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> values;
       _impl_t<Policies>& operator()()
       {
@@ -363,6 +447,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -372,6 +462,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_insert_values{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_insert_values;
       _impl_t<Policies>& operator()()
       {
@@ -390,8 +487,13 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _column_check = logic::all_t<is_column_t<T>::value...>;
       template <typename... T>
-      using _column_check = logic::all_t<is_column_t<T>::value...>;
+      struct _column_check : logic::all_t<is_column_t<T>::value...>
+      {
+      };
 
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_insert_value_list_t, T>;

include/sqlpp11/into.h

@@ -71,6 +71,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -80,6 +86,13 @@ namespace sqlpp
     {
       using _data_t = into_data_t<Database, Table>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : into{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> into;
       _impl_t<Policies>& operator()()
       {

include/sqlpp11/limit.h

@@ -64,6 +64,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -73,6 +79,13 @@ namespace sqlpp
     {
       using _data_t = limit_data_t<Limit>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : limit{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> limit;
       _impl_t<Policies>& operator()()
       {
@@ -131,6 +144,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Limit>
       void set(Limit value)
       {
@@ -151,6 +170,13 @@ namespace sqlpp
     {
       using _data_t = dynamic_limit_data_t<Database>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : limit{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> limit;
       _impl_t<Policies>& operator()()
       {
@@ -183,6 +209,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -192,6 +224,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_limit{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_limit;
       _impl_t<Policies>& operator()()
       {

include/sqlpp11/logic.h

@@ -38,9 +38,25 @@ namespace sqlpp
     struct logic_helper;
 
     // see http://lists.boost.org/Archives/boost/2014/05/212946.php :-)
+
+    // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2086629
+    template <bool... B>
+    struct all
+    {
+      using type = std::is_same<logic_helper<B...>, logic_helper<(B or true)...>>;
+    };
+
     template <bool... B>
     using all_t = std::is_same<logic_helper<B...>, logic_helper<(B or true)...>>;
 
+    // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2086629
+    template <bool... B>
+    struct any
+    {
+      using type =
+          std::integral_constant<bool, not std::is_same<logic_helper<B...>, logic_helper<(B and false)...>>::value>;
+    };
+
     template <bool... B>
     using any_t =
         std::integral_constant<bool, not std::is_same<logic_helper<B...>, logic_helper<(B and false)...>>::value>;

include/sqlpp11/offset.h

@@ -66,6 +66,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -75,6 +81,13 @@ namespace sqlpp
     {
       using _data_t = offset_data_t<Offset>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : offset{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> offset;
       _impl_t<Policies>& operator()()
       {
@@ -133,6 +146,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Offset>
       void set(Offset value)
       {
@@ -153,6 +172,13 @@ namespace sqlpp
     {
       using _data_t = dynamic_offset_data_t<Database>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : offset{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> offset;
       _impl_t<Policies>& operator()()
       {
@@ -197,6 +223,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -206,6 +238,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_offset{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_offset;
       _impl_t<Policies>& operator()()
       {

include/sqlpp11/order_by.h

@@ -75,6 +75,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Expression>
       void add_ntc(Expression expression)
       {
@@ -116,6 +122,13 @@ namespace sqlpp
     {
       using _data_t = order_by_data_t<Database, Expressions...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : order_by{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> order_by;
       _impl_t<Policies>& operator()()
       {
@@ -151,6 +164,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -160,6 +179,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2091069
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_order_by{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_order_by;
       _impl_t<Policies>& operator()()
       {
@@ -178,8 +204,13 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_sort_order_t<T>::value...>;
       template <typename... T>
-      using _check = logic::all_t<is_sort_order_t<T>::value...>;
+      struct _check : logic::all_t<is_sort_order_t<T>::value...>
+      {
+      };
 
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_order_by_t, T>;

include/sqlpp11/select_column_list.h

@@ -184,6 +184,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename NamedExpression>
       void add_ntc(NamedExpression namedExpression)
       {
@@ -231,6 +237,13 @@ namespace sqlpp
     {
       using _data_t = select_column_list_data_t<Database, Columns...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : selected_columns{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> selected_columns;
       _impl_t<Policies>& operator()()
       {
@@ -380,6 +393,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -389,6 +408,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_selected_columns{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_selected_columns;
       _impl_t<Policies>& operator()()
       {
@@ -407,8 +433,13 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<(is_selectable_t<T>::value or is_multi_column_t<T>::value)...>;
       template <typename... T>
-      using _check = logic::all_t<(is_selectable_t<T>::value or is_multi_column_t<T>::value)...>;
+      struct _check : logic::all_t<(is_selectable_t<T>::value or is_multi_column_t<T>::value)...>
+      {
+      };
 
       template <typename... T>
       static constexpr auto _check_tuple(std::tuple<T...>) -> _check<T...>

include/sqlpp11/select_flag_list.h

@@ -71,6 +71,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Flag>
       void add_ntc(Flag flag)
       {
@@ -112,6 +118,13 @@ namespace sqlpp
     {
       using _data_t = select_flag_list_data_t<Database, Flags...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : select_flags{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> select_flags;
       _impl_t<Policies>& operator()()
       {
@@ -144,6 +157,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -153,6 +172,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_select_flags{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_select_flags;
       _impl_t<Policies>& operator()()
       {
@@ -171,8 +197,13 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_select_flag_t<T>::value...>;
       template <typename... T>
-      using _check = logic::all_t<is_select_flag_t<T>::value...>;
+      struct _check : logic::all_t<detail::is_select_flag_impl<T>::type::value...>
+      {
+      };
 
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_select_flag_list_t, T>;

include/sqlpp11/simple_column.h

@@ -38,6 +38,12 @@ namespace sqlpp
     using _column_t = Column;
     _column_t _column;
 
+    // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+    simple_column_t() = default;
+    simple_column_t(const _column_t& column) : _column{column}
+    {
+    }
+
     using _traits = make_traits<no_value_t, tag::is_noop>;
     using _nodes = detail::type_vector<>;
   };

include/sqlpp11/single_table.h

@@ -73,6 +73,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -82,6 +88,13 @@ namespace sqlpp
     {
       using _data_t = single_table_data_t<Database, Table>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : from{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> from;
       _impl_t<Policies>& operator()()
       {

include/sqlpp11/statement.h

@@ -84,10 +84,17 @@ namespace sqlpp
       template <typename Expression>
       using _no_unknown_tables = detail::is_subset_of<required_tables_of<Expression>, _known_tables>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2086629
+      //	  template <typename... Expressions>
+      //      using _no_unknown_aggregates =
+      //          logic::any_t<_all_provided_aggregates::size::value == 0,
+      //                       logic::all_t<is_aggregate_expression_t<_all_provided_aggregates,
+      //                       Expressions>::value...>::value>;
       template <typename... Expressions>
       using _no_unknown_aggregates =
           logic::any_t<_all_provided_aggregates::size::value == 0,
-                       logic::all_t<is_aggregate_expression_t<_all_provided_aggregates, Expressions>::value...>::value>;
+                       logic::all_t<detail::is_aggregate_expression_impl<_all_provided_aggregates,
+                                                                         Expressions>::type::value...>::value>;
 
       template <template <typename> class Predicate>
       using any_t = logic::any_t<Predicate<Policies>::value...>;
@@ -193,10 +200,17 @@ namespace sqlpp
     {
     }
 
+    // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+    //	template <typename Statement, typename Term>
+    //	statement_t(Statement statement, Term term)
+    //		: Policies::template _base_t<_policies_t>{typename Policies::template _impl_t<_policies_t>{
+    //		detail::pick_arg<typename Policies::template _base_t<_policies_t>>(statement, term)}}...
+    //	{
+    //	}
     template <typename Statement, typename Term>
     statement_t(Statement statement, Term term)
-        : Policies::template _base_t<_policies_t>{typename Policies::template _impl_t<_policies_t>{
+        : Policies::template _base_t<_policies_t>(typename Policies::template _impl_t<_policies_t>(
-              detail::pick_arg<typename Policies::template _base_t<_policies_t>>(statement, term)}}...
+              detail::pick_arg<typename Policies::template _base_t<_policies_t>>(statement, term)))...
     {
     }
 
@@ -265,6 +279,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -274,6 +294,13 @@ namespace sqlpp
     {
       using _data_t = NameData;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : statement_name{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> statement_name;
       _impl_t<Policies>& operator()()
       {

include/sqlpp11/table.h

@@ -41,8 +41,11 @@ namespace sqlpp
   {
   };
 
+  // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173198
+  //  template <typename Table, typename... ColumnSpec>
+  //  struct table_t : public table_base_t, public member_t<ColumnSpec, column_t<Table, ColumnSpec>>...
   template <typename Table, typename... ColumnSpec>
-  struct table_t : public table_base_t, public member_t<ColumnSpec, column_t<Table, ColumnSpec>>...
+  struct table_t : public table_base_t, public ColumnSpec::_alias_t::template _member_t<column_t<Table, ColumnSpec>>...
   {
     using _traits = make_traits<no_value_t, tag::is_raw_table, tag::is_table>;
 

include/sqlpp11/table_alias.h

@@ -35,8 +35,11 @@
 
 namespace sqlpp
 {
+  // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173198
+  //  template <typename AliasProvider, typename Table, typename... ColumnSpec>
+  //  struct table_alias_t : public member_t<ColumnSpec, column_t<AliasProvider, ColumnSpec>>...
   template <typename AliasProvider, typename Table, typename... ColumnSpec>
-  struct table_alias_t : public member_t<ColumnSpec, column_t<AliasProvider, ColumnSpec>>...
+  struct table_alias_t : public ColumnSpec::_alias_t::template _member_t<column_t<AliasProvider, ColumnSpec>>...
   {
     // FIXME: Need to add join functionality
     using _traits = make_traits<value_type_of<Table>,

include/sqlpp11/union.h

@@ -78,7 +78,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
-    public:
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -88,6 +93,13 @@ namespace sqlpp
     {
       using _data_t = union_data_t<Database, Flag, Lhs, Rhs>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : union_{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> union_;
       _impl_t<Policies>& operator()()
       {
@@ -137,6 +149,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -146,6 +164,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_union{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_union;
       _impl_t<Policies>& operator()()
       {
@@ -164,8 +189,11 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_statement_t<T>::value...>;
       template <typename... T>
-      using _check = logic::all_t<is_statement_t<T>::value...>;
+      using _check = typename logic::all<is_statement_t<T>::value...>::type;
 
       template <typename Check, typename T>
       using _new_statement_t = union_statement_t<Check::value, T>;

include/sqlpp11/update_list.h

@@ -71,6 +71,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Assignment>
       void add_ntc(Assignment assignment)
       {
@@ -116,6 +122,13 @@ namespace sqlpp
     {
       using _data_t = update_list_data_t<Database, Assignments...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : assignments{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> assignments;
       _impl_t<Policies>& operator()()
       {
@@ -152,6 +165,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -161,6 +180,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_assignments{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_assignments;
       _impl_t<Policies>& operator()()
       {
@@ -179,8 +205,13 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_assignment_t<T>::value...>;
       template <typename... T>
-      using _check = logic::all_t<is_assignment_t<T>::value...>;
+      struct _check : public logic::all_t<is_assignment_t<T>::value...>
+      {
+      };
 
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_update_list_t, T>;

include/sqlpp11/using.h

@@ -69,6 +69,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Table>
       void add(Table table)
       {
@@ -102,6 +108,13 @@ namespace sqlpp
     {
       using _data_t = using_data_t<Database, Tables...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : using_{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> using_;
       _impl_t<Policies>& operator()()
       {
@@ -136,6 +149,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -145,6 +164,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_using{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_using;
       _impl_t<Policies>& operator()()
       {
@@ -163,8 +189,13 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_table_t<T>::value...>;
       template <typename... T>
-      using _check = logic::all_t<is_table_t<T>::value...>;
+      struct _check : logic::all_t<is_table_t<T>::value...>
+      {
+      };
 
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_using_t, T>;

include/sqlpp11/where.h

@@ -75,6 +75,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       template <typename Expression>
       void add_ntc(Expression expression)
       {
@@ -118,6 +124,13 @@ namespace sqlpp
     {
       using _data_t = where_data_t<Database, Expressions...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : where{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> where;
       _impl_t<Policies>& operator()()
       {
@@ -160,6 +173,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -169,6 +188,13 @@ namespace sqlpp
     {
       using _data_t = where_data_t<void, bool>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : where{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> where;
       _impl_t<Policies>& operator()()
       {
@@ -231,6 +257,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -240,6 +272,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_where{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_where;
       _impl_t<Policies>& operator()()
       {
@@ -258,6 +297,14 @@ namespace sqlpp
 
       using _database_t = typename Policies::_database_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      //	  template <typename... T>
+      //	  using _check = logic::all_t<is_expression_t<T>::value...>;
+      template <typename... T>
+      struct _check : logic::all_t<is_expression_t<T>::value...>
+      {
+      };
+
       template <typename Check, typename T>
       using _new_statement_t = new_statement_t<Check::value, Policies, no_where_t, T>;
 

include/sqlpp11/with.h

@@ -79,7 +79,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
-    public:
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -89,6 +94,13 @@ namespace sqlpp
     {
       using _data_t = with_data_t<Database, Expressions...>;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : with{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> with;
       _impl_t<Policies>& operator()()
       {
@@ -122,6 +134,12 @@ namespace sqlpp
     template <typename Policies>
     struct _impl_t
     {
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      _impl_t() = default;
+      _impl_t(const _data_t& data) : _data(data)
+      {
+      }
+
       _data_t _data;
     };
 
@@ -131,6 +149,13 @@ namespace sqlpp
     {
       using _data_t = no_data_t;
 
+      // workaround for msvc bug https://connect.microsoft.com/VisualStudio/Feedback/Details/2173269
+      template <typename... Args>
+      _base_t(Args&&... args)
+          : no_with{std::forward<Args>(args)...}
+      {
+      }
+
       _impl_t<Policies> no_with;
       _impl_t<Policies>& operator()()
       {