changed the interface of on_primary_key to have a third parameter of type primary_key_attribute

include/matador/orm/session_insert_builder.hpp

@@ -9,6 +9,7 @@
 #include "matador/object/schema.hpp"
 
 #include "matador/utils/cascade_type.hpp"
+#include "matador/utils/primary_key_attribute.hpp"
 
 namespace matador::orm {
 struct entity_insert_data {
@@ -62,11 +63,10 @@ public:
   }
 
   template<class V>
-  void on_primary_key(const char *id, V &x, std::enable_if_t<std::is_integral_v<V> && !std::is_same_v<bool, V>> * = nullptr) {
+  void on_primary_key(const char *id, V &x, const utils::primary_key_attribute& /*attr*/ = utils::default_pk_attributes) {
     push(id, x);
   }
 
-  void on_primary_key(const char *id, std::string &, size_t);
   void on_revision(const char *id, unsigned long long &/*rev*/);
 
   template<typename Type>

include/matador/orm/session_query_builder.hpp

@@ -11,6 +11,7 @@
 #include "matador/object/join_columns_collector.hpp"
 #include "matador/object/schema.hpp"
 
+#include "matador/utils/primary_key_attribute.hpp"
 #include "matador/utils/result.hpp"
 #include "matador/utils/value.hpp"
 
@@ -76,7 +77,7 @@ public:
   }
 
   template < class V >
-  void on_primary_key(const char *id, V &, std::enable_if_t<std::is_integral_v<V> && !std::is_same_v<bool, V>>* = nullptr)
+  void on_primary_key(const char *id, V &, const utils::primary_key_attribute& /*attr*/ = utils::default_pk_attributes)
   {
     push(id);
     if (!is_root_entity()) {
@@ -90,10 +91,11 @@ public:
       auto co = std::make_unique<query::condition<sql::column, V>>(c, query::basic_condition::operand_type::EQUAL, v);
       entity_query_data_.where_clause = std::move(co);
       entity_query_data_.pk_column_name = id;
+    } else if (pk_.is_varchar()) {
+      // Todo: handle varchar primary key
     }
   }
 
-  void on_primary_key(const char *id, std::string &, size_t);
   void on_revision(const char *id, unsigned long long &/*rev*/);
 
   template<typename Type>