fixed postgres tests

test/models/author.hpp

@@ -30,7 +30,7 @@ struct author {
         field::attribute(op, "date_of_birth", date_of_birth, 31);
         field::attribute(op, "year_of_birth", year_of_birth);
         field::attribute(op, "distinguished", distinguished);
-        field::has_many(op, "books", books, "author_id", utils::fetch_type::EAGER);
+        field::has_many(op, "books", books, "author_id", utils::fetch_type::LAZY);
     }
 };
 

test/models/person.hpp

@@ -13,7 +13,7 @@ struct person {
     unsigned int id{};
     std::string name;
     unsigned int age{};
-    utils::blob image;
+    utils::blob image{};
 
     template<class Operator>
     void process(Operator &op) {

test/models/recipe.hpp

@@ -16,7 +16,7 @@ struct ingredient
 {
   unsigned int id{};
   std::string name;
-  std::vector<object::object_ptr<recipe>> recipes;
+  std::vector<object::object_ptr<recipe>> recipes{};
 
   template<class Operator>
   void process(Operator &op) {
@@ -31,7 +31,7 @@ struct recipe
 {
   unsigned int id{};
   std::string name;
-  std::vector<object::object_ptr<ingredient>> ingredients;
+  std::vector<object::object_ptr<ingredient>> ingredients{};
 
   template<class Operator>
   void process(Operator &op) {