insert has one progress

include/matador/sql/object_parameter_binder.hpp

@@ -38,9 +38,9 @@ public:
     pk_binder_.bind(*x, index_++, *binder_);
   }
   template<class Type, template < class ... > class Pointer>
-  void on_has_one(const char * /*id*/, Pointer<Type> &x, const utils::foreign_attributes &/*attr*/) {
-    pk_binder_.bind(*x, index_++, *binder_);
-  }
+  static void on_has_one(const char * /*id*/,
+                         Pointer<Type> &/*x*/,
+                         const utils::foreign_attributes &/*attr*/) {}
   template<class ContainerType>
   static void on_has_many(const char * /*id*/,
                           ContainerType &/*c*/,

include/matador/sql/query_context.hpp

@@ -5,8 +5,6 @@
 
 #include "matador/sql/resolver_service.hpp"
 
-#include "matador/utils/types.hpp"
-
 namespace matador::sql {
 enum class sql_command {
   Unknown,
@@ -33,12 +31,10 @@ struct query_context {
   std::string sql;
   size_t sql_hash{};
   sql_command command{};
-  std::string command_name{};
   std::string schema_name{};
   std::string table_name{};
   std::vector<object::attribute> prototype{};
   std::vector<std::string> bind_vars{};
-  // std::vector<utils::database_type> bind_types{};
   // Data for resolving query result
   std::shared_ptr<resolver_service> resolver{};
   std::type_index result_type = typeid(void);