backends/postgres/src/postgres_connection.cpp

@@ -3,13 +3,12 @@
 #include "postgres_result_reader.hpp"
 #include "postgres_statement.hpp"
 
-#include "matador/object/attribute_definition.hpp"
-
 #include "matador/sql/error_code.hpp"
 #include "matador/sql/record.hpp"
 
 #include "matador/sql/internal/query_result_impl.hpp"
 
+
 #include <sstream>
 
 namespace matador::backends::postgres {
@@ -199,9 +198,9 @@ utils::result<std::vector<object::attribute_definition>, utils::error> postgres_
     // Todo: extract size
     auto type = (string2type(reader.column(2)));
     end = nullptr;
-    object::null_option null_opt{object::null_option::NULLABLE};
+    sql::null_option null_opt{sql::null_option::NULLABLE};
     if (strtoul(reader.column(4), &end, 10) == 0) {
-      null_opt = object::null_option::NOT_NULL;
+      null_opt = sql::null_option::NOT_NULL;
     }
     // f.default_value(res->column(4));
     prototype.emplace_back(name, type, utils::null_attributes, null_opt, index);

demo/main.cpp

@@ -18,7 +18,7 @@
 #include <string>
 
 struct author {
-    unsigned int id{};
+    unsigned long id{};
     std::string first_name;
     std::string last_name;
     std::string date_of_birth;
@@ -38,7 +38,7 @@ struct author {
 };
 
 struct book {
-    unsigned int id{};
+    unsigned long id{};
     matador::object::object_ptr<author> book_author;
     std::string title;
     unsigned short published_in{};
@@ -54,7 +54,7 @@ struct book {
 };
 
 struct payload {
-    unsigned int id{};
+    unsigned long id{};
 
     template<typename Operator>
     void process( Operator& op ) {
@@ -77,7 +77,7 @@ struct job {
         Background
     };
 
-    unsigned int id{};
+    unsigned long id{};
     matador::object::object_ptr<payload> payload;
     std::string type;
     std::string description;

include/matador/object/attribute_definition_generator.hpp

@@ -42,7 +42,7 @@ public:
   template<class Pointer>
   void on_has_one(const char * /*id*/, Pointer &/*x*/, const utils::foreign_attributes &/*attr*/) {}
   template<class ContainerType>
-  void on_has_many(const char * /*id*/, ContainerType &, const char *, const utils::foreign_attributes &/*attr*/) {}
+  void on_has_many(ContainerType &, const char *, const utils::foreign_attributes &/*attr*/) {}
   template<class ContainerType>
   void on_has_many_to_many(const char *id, ContainerType &c, const char *join_column, const char *inverse_join_column, const utils::foreign_attributes &/*attr*/) {}
   template<class ContainerType>
@@ -93,7 +93,7 @@ public:
     columns_.push_back(fk_column_generator_.generate(id, *x, ref_table, ref_column));
   }
   template<class ContainerType>
-  void on_has_many(const char *id, ContainerType &, const char *, const utils::foreign_attributes &/*attr*/) {}
+  void on_has_many(ContainerType &, const char *, const utils::foreign_attributes &/*attr*/) {}
   template<class ContainerType>
   void on_has_many_to_many(const char *id, ContainerType &c, const char *join_column, const char *inverse_join_column, const utils::foreign_attributes &/*attr*/) {}
   template<class ContainerType>

include/matador/object/object_definition.hpp

@@ -9,8 +9,8 @@ namespace matador::object {
 
 class object_definition final {
 private:
-  using column_by_index = std::vector<attribute_definition>;
+  using column_by_index = std::vector<object::attribute_definition>;
-  using column_index_pair = std::pair<std::reference_wrapper<attribute_definition>, column_by_index::difference_type>;
+  using column_index_pair = std::pair<std::reference_wrapper<object::attribute_definition>, column_by_index::difference_type>;
   using column_by_name_map = std::unordered_map<std::string, column_index_pair>;
 
 public:
@@ -18,8 +18,8 @@ public:
   using const_iterator = column_by_index::const_iterator;
 
   object_definition() = default;
-  object_definition(std::initializer_list<attribute_definition> columns);
+  object_definition(std::initializer_list<object::attribute_definition> columns);
-  explicit object_definition(const std::vector<attribute_definition> &columns);
+  explicit object_definition(const std::vector<object::attribute_definition> &columns);
   object_definition(const object_definition &x);
   object_definition& operator=(const object_definition &x);
   object_definition(object_definition&&) noexcept = default;
@@ -27,7 +27,7 @@ public:
   ~object_definition() = default;
 
   [[nodiscard]] bool has_primary_key() const;
-  [[nodiscard]] std::optional<attribute_definition> primary_key() const;
+  [[nodiscard]] std::optional<object::attribute_definition> primary_key() const;
 
   template < typename Type >
   void append(const std::string &name, long size = -1) {
@@ -35,7 +35,7 @@ public:
   }
   void append(attribute_definition col);
 
-  [[nodiscard]] const std::vector<attribute_definition>& columns() const;
+  [[nodiscard]] const std::vector<object::attribute_definition>& columns() const;
 
   [[nodiscard]] const attribute_definition& at(const std::string &name) const;
   [[nodiscard]] const attribute_definition& at(size_t index) const;

include/matador/orm/session_query_builder.hpp

@@ -2,9 +2,11 @@
 #define QUERY_ENTITY_QUERY_BUILDER_HPP
 
 #include "matador/query/condition.hpp"
+#include "matador/query/query.hpp"
 #include "matador/query/query_intermediates.hpp"
 
 #include "matador/sql/connection.hpp"
+#include "matador/sql/query_context.hpp"
 
 #include "matador/object/schema.hpp"
 
@@ -12,7 +14,6 @@
 #include "matador/utils/value.hpp"
 
 #include <stack>
-#include <unordered_set>
 
 namespace matador::orm {
 
@@ -100,7 +101,6 @@ public:
     }
     pk_ = pk;
     table_info_stack_.push(info.value());
-    processed_tables_.insert(info->get().name());
     entity_query_data_ = { info.value().get().name() };
     try {
       access::process(*this, info.value().get().prototype());
@@ -175,33 +175,24 @@ public:
   }
 
   template<class ContainerType>
-  void on_has_many(const char * id, ContainerType &, const char *join_column, const utils::foreign_attributes &attr) {
+  void on_has_many(ContainerType &, const char *join_column, const utils::foreign_attributes &attr)
+  {
     if (attr.fetch() == utils::fetch_type::EAGER) {
       const auto info = schema_.info<typename ContainerType::value_type::value_type>();
       if (!info) {
         throw query_builder_exception{query_build_error::UnknownType};
       }
-
-      auto curr = table_info_stack_.top().get().name();
-      auto next = info.value().get().name();
-      if (processed_tables_.count(next) > 0) {
-        return;
-      }
       table_info_stack_.push(info.value());
-      processed_tables_.insert(next);
       typename ContainerType::value_type::value_type obj;
-      access::process(*this , obj);
+      matador::access::process(*this , obj);
       table_info_stack_.pop();
 
-      auto pk = info->get().definition().primary_key();
+      auto pk = info->prototype.primary_key();
       if (!pk) {
         throw query_builder_exception{query_build_error::MissingPrimaryKey};
       }
 
-      append_join(
+      append_join({table_info_stack_.top().get().name(), table_info_stack_.top().get().definition().primary_key()->name()}, {info->name, join_column});
-        sql::column{std::make_shared<sql::table>(table_info_stack_.top().get().name()), table_info_stack_.top().get().definition().primary_key()->name()},
-        sql::column{std::make_shared<sql::table>(info->get().name()), join_column}
-      );
     }
   }
 
@@ -220,19 +211,13 @@ public:
     matador::access::process(*this , obj);
     table_info_stack_.pop();
 
-    auto pk = info->get().definition().primary_key();
+    auto pk = info->prototype.primary_key();
     if (!pk) {
       throw query_builder_exception{query_build_error::MissingPrimaryKey};
     }
 
-    append_join(
+    append_join(sql::column{table_info_stack_.top().get().name(), table_info_stack_.top().get().definition().primary_key()->name()}, {id, join_column});
-      sql::column{std::make_shared<sql::table>(table_info_stack_.top().get().name()), table_info_stack_.top().get().definition().primary_key()->name()},
+    append_join({id, inverse_join_column}, {info->name, pk->name()});
-      sql::column{std::make_shared<sql::table>(id), join_column}
-    );
-    append_join(
-      sql::column{std::make_shared<sql::table>(id), inverse_join_column},
-      sql::column{std::make_shared<sql::table>(info->get().name()), pk->name()}
-    );
   }
 
   template<class ContainerType>
@@ -250,21 +235,15 @@ public:
     matador::access::process(*this , obj);
     table_info_stack_.pop();
 
-    auto pk = info->get().definition().primary_key();
+    auto pk = info->prototype.primary_key();
     if (!pk) {
       throw query_builder_exception{query_build_error::MissingPrimaryKey};
     }
 
     const auto join_columns = join_column_collector_.collect<typename ContainerType::value_type::value_type>();
 
-    append_join(
+    append_join({table_info_stack_.top().get().name(), table_info_stack_.top().get().definition().primary_key()->name()}, {id, join_columns.inverse_join_column});
-      sql::column{std::make_shared<sql::table>(table_info_stack_.top().get().name()), table_info_stack_.top().get().definition().primary_key()->name()},
+    append_join({id, join_columns.join_column}, {info->name, pk->name()});
-      sql::column{std::make_shared<sql::table>(id), join_columns.inverse_join_column}
-    );
-    append_join(
-      sql::column{std::make_shared<sql::table>(id), join_columns.join_column},
-      sql::column{std::make_shared<sql::table>(info->get().name()), pk->name()}
-    );
   }
 
 private:
@@ -277,7 +256,6 @@ private:
 private:
   utils::value pk_;
   std::stack<std::reference_wrapper<const object::basic_object_info>> table_info_stack_;
-  std::unordered_set<std::string> processed_tables_;
   const object::schema &schema_;
   entity_query_data entity_query_data_;
   int column_index{0};
@@ -292,25 +270,16 @@ void session_query_builder::on_foreign_object(const char *id, Pointer &, const u
     if (!info) {
       throw query_builder_exception{query_build_error::UnknownType};
     }
-    auto curr = table_info_stack_.top().get().name();
-    auto next = info.value().get().name();
-    if (processed_tables_.count(next) > 0) {
-      return;
-    }
-    processed_tables_.insert(next);
     table_info_stack_.push(info.value());
     typename Pointer::value_type obj;
-    access::process(*this, obj);
+    matador::access::process(*this, obj);
     table_info_stack_.pop();
 
     auto pk = info->get().definition().primary_key();
     if (!pk) {
       throw query_builder_exception{query_build_error::MissingPrimaryKey};
     }
-    append_join(
+    append_join(sql::column{table_info_stack_.top().get().name(), id}, sql::column{info->get().name(), pk->name()});
-      sql::column{std::make_shared<sql::table>(table_info_stack_.top().get().name()), id},
-      sql::column{std::make_shared<sql::table>(info->get().name()), pk->name()}
-    );
   } else {
     push(id);
   }

include/matador/sql/column_generator.hpp

@@ -87,7 +87,7 @@ public:
     }
   }
   template<class ContainerType>
-  void on_has_many(const char * /*id*/, ContainerType &, const char *, const utils::foreign_attributes &attr)
+  void on_has_many(ContainerType &, const char *, const utils::foreign_attributes &attr)
   {
     if (attr.fetch() == utils::fetch_type::LAZY || force_lazy_) {
       return;

include/matador/utils/access.hpp

@@ -78,22 +78,22 @@ void belongs_to(Operator &op, const char *id, Type &value) {
 }
 
 template<class Operator, class Type, template<class ...> class ContainerType>
-void has_many(Operator &op, const char *id, ContainerType<Type> &c, const char *join_column, const utils::foreign_attributes &attr) {
+void has_many(Operator &op, const char *id, container<Type, ContainerType> &c, const char *join_column, const utils::foreign_attributes &attr) {
   op.on_has_many(id, c, join_column, attr);
 }
 
 template<class Operator, class Type, template<class ...> class ContainerType>
-void has_many(Operator &op, const char *id, ContainerType<Type> &c, const char *join_column) {
+void has_many(Operator &op, const char *id, container<Type, ContainerType> &c, const char *join_column) {
   op.on_has_many(id, c, join_column);
 }
 
 template<class Operator, class Type, template<class ...> class ContainerType>
-void has_many(Operator &op, const char *id, ContainerType<Type> &c, const utils::foreign_attributes &attr) {
+void has_many(Operator &op, const char *id, container<Type, ContainerType> &c, const utils::foreign_attributes &attr) {
   op.on_has_many(id, c, attr);
 }
 
 template<class Operator, class Type, template<class ...> class ContainerType>
-void has_many(Operator &op, const char *id, ContainerType<Type> &c) {
+void has_many(Operator &op, const char *id, container<Type, ContainerType> &c) {
   op.on_has_many(id, c);
 }
 

include/matador/utils/basic_type_converter.hpp

@@ -3,6 +3,7 @@
 
 #include "matador/utils/convert.hpp"
 
+#include <cstdbool>
 #include <cstdint>
 #include <string>
 

source/core/object/object_definition.cpp

@@ -1,13 +1,13 @@
 #include "matador/object/object_definition.hpp"
 
 namespace matador::object {
-object_definition::object_definition(const std::initializer_list<attribute_definition> columns)
+object_definition::object_definition(std::initializer_list<object::attribute_definition> columns)
 : columns_(columns)
 {
   init();
 }
 
-object_definition::object_definition(const std::vector<attribute_definition> &columns)
+object_definition::object_definition(const std::vector<object::attribute_definition> &columns)
 : columns_(columns)
 {
   init();
@@ -42,7 +42,7 @@ bool object_definition::has_primary_key() const
     return pk_index_ > -1;
 }
 
-std::optional<attribute_definition> object_definition::primary_key() const
+std::optional<object::attribute_definition> object_definition::primary_key() const
 {
   if (!has_primary_key()) {
     return std::nullopt;

source/core/object/schema.cpp

@@ -36,15 +36,7 @@ std::string schema::name() const {
 }
 
 utils::result<std::pair<std::string, std::string>, utils::error> schema::reference( const std::type_index& type_index ) const {
-    const auto result = find_node(type_index);
+    return utils::ok(std::pair<std::string, std::string>{});
-    if (!result) {
-        return utils::failure(result.err());
-    }
-    if (!result->get()->basic_info().definition().has_primary_key()) {
-        return utils::failure(make_error( error_code::Failure, "Primary key not found" ));
-    }
-
-    return utils::ok(std::make_pair(result->get()->name(), result->get()->basic_info().definition().primary_key()->name()));
 }
 
 utils::result<std::shared_ptr<schema_node>, utils::error> schema::attach_node(const std::shared_ptr<schema_node> &node,

source/orm/orm/session.cpp

@@ -2,8 +2,6 @@
 
 #include "matador/sql/backend_provider.hpp"
 
-#include "matador/query/query.hpp"
-
 #include <stdexcept>
 
 namespace matador::orm {

test/core/CMakeLists.txt

@@ -23,9 +23,9 @@ target_include_directories(CoreTests
   ${CMAKE_SOURCE_DIR}/test/models}
 )
 
-#if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-#  target_compile_options(CoreTests PRIVATE -coverage)
+  target_compile_options(CoreTests PRIVATE -coverage)
-#  target_link_options(CoreTests PRIVATE -coverage)
+  target_link_options(CoreTests PRIVATE -coverage)
-#endif ()
+endif ()
 
 add_test(NAME CoreTests COMMAND CoreTests)

test/models/author.hpp

@@ -19,10 +19,11 @@ struct author {
     std::string date_of_birth;
     unsigned short year_of_birth{};
     bool distinguished{false};
-    std::vector<object::object_ptr<book>> books;
+    std::vector<matador::object::object_ptr<book>> books;
 
     template<typename Operator>
-    void process(Operator &op) {
+    void process(Operator &op)
+    {
         namespace field = matador::access;
         field::primary_key(op, "id", id);
         field::attribute(op, "first_name", first_name, 63);
@@ -30,7 +31,7 @@ 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, "author_id", utils::fetch_type::LAZY);
     }
 };
 

test/models/flight.hpp

@@ -21,7 +21,7 @@ struct flight
   : id(id), airplane(plane), pilot_name(std::move(name)) {}
 
   unsigned int id{};
-  object::object_ptr<airplane> airplane;
+  object::object_ptr<test::airplane> airplane;
   std::string pilot_name;
 
   template<class Operator>
@@ -29,7 +29,7 @@ struct flight
     namespace field = matador::access;
     using namespace matador::utils;
     field::primary_key(op, "id", id);
-    field::has_one(op, "airplane_id", airplane, {utils::cascade_type::ALL, utils::fetch_type::EAGER});
+    // field::has_one(op, "airplane_id", airplane, {utils::cascade_type::ALL, utils::fetch_type::EAGER});
     field::attribute(op, "pilot_name", pilot_name, 255);
   }
 };

test/models/product.hpp

@@ -16,8 +16,8 @@ namespace matador::test {
 
 struct product {
     std::string product_name;
-    object::object_ptr<supplier> supplier;
+    object::object_ptr<test::supplier> supplier;
-    object::object_ptr<category> category;
+    object::object_ptr<test::category> category;
     std::string quantity_per_unit;
     unsigned int unit_price;
     unsigned int units_in_stock;

test/models/recipe.hpp

@@ -16,14 +16,14 @@ struct ingredient
 {
   unsigned int id{};
   std::string name;
-  std::vector<object::object_ptr<recipe>> recipes;
+  std::vector<matador::object::object_ptr<recipe>> recipes;
 
   template<class Operator>
   void process(Operator &op) {
     namespace field = matador::access;
     field::primary_key(op, "id", id);
     field::attribute(op, "name", name, 255);
-    field::has_many_to_many(op, "recipe_ingredients", recipes, "ingredient_id", "recipe_id", utils::fetch_type::EAGER);
+    // field::has_many_to_many(op, "recipe_ingredients", recipes, "ingredient_id", "recipe_id", utils::fetch_type::EAGER);
   }
 };
 
@@ -31,14 +31,14 @@ struct recipe
 {
   unsigned int id{};
   std::string name;
-  std::vector<object::object_ptr<ingredient>> ingredients;
+  std::vector<matador::object::object_ptr<ingredient>> ingredients;
 
   template<class Operator>
   void process(Operator &op) {
     namespace field = matador::access;
     field::primary_key(op, "id", id);
     field::attribute(op, "name", name, 255);
-    field::has_many_to_many(op, "recipe_ingredients", ingredients, utils::fetch_type::LAZY);
+    // field::has_many_to_many(op, "recipe_ingredients", ingredients, utils::fetch_type::LAZY);
   }
 };
 

test/models/student.hpp

@@ -17,7 +17,7 @@ struct course;
 struct student {
     unsigned int id{};
     std::string name;
-    std::vector<object::object_ptr<course>> courses;
+    std::vector<matador::object::object_ptr<course>> courses;
 
     student() = default;
     explicit student(unsigned int id, std::string name)
@@ -29,7 +29,7 @@ struct student {
         namespace field = matador::access;
         field::primary_key(op, "id", id);
         field::attribute(op, "name", name, 255);
-        field::has_many_to_many(op, "student_courses", courses, "student_id", "course_id", utils::fetch_type::LAZY);
+        // field::has_many_to_many(op, "student_courses", courses, "student_id", "course_id", utils::fetch_type::LAZY);
     }
 
 };
@@ -37,7 +37,7 @@ struct student {
 struct course {
     unsigned int id{};
     std::string title;
-    std::vector<object::object_ptr<student>> students;
+    std::vector<matador::object::object_ptr<student>> students;
 
     course() = default;
     explicit course(unsigned int id, std::string title)
@@ -49,7 +49,7 @@ struct course {
         namespace field = matador::access;
         field::primary_key(op, "id", id);
         field::attribute(op, "title", title, 255);
-        field::has_many_to_many(op, "student_courses", students, utils::fetch_type::EAGER);
+        // field::has_many_to_many(op, "student_courses", students, utils::fetch_type::EAGER);
     }
 };
 

test/orm/CMakeLists.txt

@@ -29,7 +29,7 @@ add_executable(OrmTests
 
 target_link_libraries(OrmTests matador-orm matador-core Catch2::Catch2WithMain)
 
-#target_compile_options(OrmTests PRIVATE -coverage)
+target_compile_options(OrmTests PRIVATE -coverage)
-#target_link_options(OrmTests PRIVATE -coverage)
+target_link_options(OrmTests PRIVATE -coverage)
 
 add_test(NAME OrmTests COMMAND OrmTests)

test/orm/orm/SessionQueryBuilderTest.cpp

@@ -1,15 +1,11 @@
 #include <catch2/catch_test_macros.hpp>
 
-#include "matador/sql/backend_provider.hpp"
 #include "matador/sql/connection.hpp"
 
 #include "matador/query/query.hpp"
 
 #include "matador/orm/session_query_builder.hpp"
 
-#include "../backend/test_connection.hpp"
-#include "../backend/test_backend_service.hpp"
-
 #include "../../models/airplane.hpp"
 #include "../../models/author.hpp"
 #include "../../models/book.hpp"
@@ -21,7 +17,6 @@
 using namespace matador::object;
 using namespace matador::orm;
 using namespace matador::sql;
-using namespace matador::test;
 
 TEST_CASE("Create sql query data for entity with eager has one", "[query][entity][builder]") {
   using namespace matador::test;
@@ -69,7 +64,6 @@ TEST_CASE("Create sql query data for entity with eager has one", "[query][entity
 
 TEST_CASE("Create sql query data for entity with eager belongs to", "[query][entity][builder]") {
   using namespace matador::test;
-  backend_provider::instance().register_backend("noop", std::make_unique<orm::test_backend_service>());
   connection db("noop://noop.db");
   schema scm("noop");
   auto result = scm.attach<author>("authors")