session update progress

include/matador/query/key_value_generator.hpp

@@ -29,7 +29,7 @@ public:
 
   template < class V >
   void on_primary_key(const char *id, V &x, const utils::primary_key_attribute& /*attr*/ = utils::default_pk_attributes) {
-    result_.emplace_back(id, x);
+    // result_.emplace_back(id, x);
   }
   void on_revision(const char *id, uint64_t &/*rev*/);
 

include/matador/sql/interface/statement_impl.hpp

@@ -26,10 +26,12 @@ public:
   virtual utils::result<std::unique_ptr<query_result_impl>, utils::error> fetch(const parameter_binder& bindings) = 0;
 
   template < class Type >
-  void bind_object(Type &obj, parameter_binder& bindings) {
-    object_parameter_binder object_binder_;
+  size_t bind_object(Type &obj, parameter_binder& bindings) {
+    object_parameter_binder object_binder_(query_.command != sql_command::SQL_UPDATE);
     object_binder_.reset(start_index());
     object_binder_.bind(obj, bindings);
+
+    return object_binder_.current_index();
   }
 
   template < class Type >

include/matador/sql/object_parameter_binder.hpp

@@ -61,6 +61,8 @@ private:
 
 class object_parameter_binder {
 public:
+  explicit object_parameter_binder(bool include_primary_key = true);
+
   template<class Type>
   void bind(Type &obj, utils::attribute_writer &binder) {
     binder_ = &binder;
@@ -69,10 +71,13 @@ public:
   }
 
   void reset(size_t start_index);
+  [[nodiscard]] size_t current_index() const;
 
   template < class Type >
   void on_primary_key(const char * /*id*/, Type &val, const utils::primary_key_attribute& attr = utils::default_pk_attributes) {
-    utils::data_type_traits<Type>::bind_value(*binder_, index_++, val, attr.size());
+    if (include_primary_key_) {
+      utils::data_type_traits<Type>::bind_value(*binder_, index_++, val, attr.size());
+    }
   }
   void on_revision(const char *id, uint64_t &/*rev*/);
 
@@ -109,6 +114,7 @@ private:
   utils::attribute_writer *binder_{};
   size_t index_{0};
   detail::fk_binder fk_binder_;
+  bool include_primary_key_{true};
 };
 
 namespace detail {