added date_type_t, time_type_t and timestamp, ensure allocated postgres resources are released, split repository into basic_repository and repository.

test/backends/QueryTest.cpp

@@ -428,8 +428,8 @@ TEST_CASE_METHOD(QueryFixture, "Select statement with foreign key and for single
 }
 
 TEST_CASE_METHOD(QueryFixture, "Select statement with many to many relationship", "[query][join][many_to_many]") {
-  auto result = repo.attach<recipe>("recipes")
-    .and_then( [this] { return repo.attach<ingredient>("ingredients"); } );
+  auto result = repo.attach<ingredient>("ingredients")
+    .and_then( [this] { return repo.attach<recipe>("recipes"); } );
 
   auto obj = object_generator::generate<recipe>(repo.repo(), "recipes");
   auto res = query::create()
@@ -455,7 +455,10 @@ TEST_CASE_METHOD(QueryFixture, "Select statement with many to many relationship"
   REQUIRE(db.exists("ingredients"));
   tables_to_drop.emplace("ingredients");
 
-  obj = object_generator::generate<recipe_ingredient>(repo.repo(), "recipe_ingredients");
+  const auto it = repo.find("recipe_ingredients");
+  REQUIRE(it != repo.end());
+  obj = it->second.node().info().object();
+  // obj = object_generator::generate<recipe_ingredient>(repo.repo(), "recipe_ingredients");
   res = query::create()
     .table(obj->name())
     .columns(obj->attributes())
@@ -512,16 +515,17 @@ TEST_CASE_METHOD(QueryFixture, "Select statement with many to many relationship"
     { 9, 3 }
   };
 
+  using namespace matador::query::meta;
+
   for (const auto & [recipe_id, ingredient_id]: recipe_ingredients) {
     res = query::insert()
-    .into("recipe_ingredients", generator::columns<recipe_ingredient>(repo))
+    .into("recipe_ingredients", RECIPE_INGREDIENT)
     .values({recipe_id, ingredient_id})
     .execute(db);
     REQUIRE(res.is_ok());
     REQUIRE(*res == 1);
   }
 
-  using namespace matador::query::meta;
 
   const auto r = RECIPE.as("r");
   const auto ri= RECIPE_INGREDIENT.as("ri");

test/backends/SessionTest.cpp

@@ -237,7 +237,7 @@ TEST_CASE_METHOD(SessionFixture, "Use session to find all objects with one-to-ma
 
   std::vector<std::unique_ptr<department>> departments;
   departments.emplace_back(new department{1, "Insurance", {}});
-  departments.emplace_back(new department{ 2, "Invoice", {}});
+  departments.emplace_back(new department{2, "Invoice", {}});
 
   for (auto &&a: departments) {
     auto res = ses.insert(a.release());