implemented lazy loading for object_ptr and belongs_to

source/orm/CMakeLists.txt

@@ -1,8 +1,8 @@
 add_library(matador-orm STATIC
   ../../include/matador/orm/error_code.hpp
   ../../include/matador/orm/session.hpp
-  ../../include/matador/orm/session_query_builder.hpp
   ../../include/matador/query/attribute_string_writer.hpp
+  ../../include/matador/query/basic_schema.hpp
   ../../include/matador/query/builder.hpp
   ../../include/matador/query/criteria.hpp
   ../../include/matador/query/criteria/abstract_column_criteria.hpp
@@ -50,10 +50,13 @@ add_library(matador-orm STATIC
   ../../include/matador/query/join_data.hpp
   ../../include/matador/query/key_value_generator.hpp
   ../../include/matador/query/meta_table_macro.hpp
+  ../../include/matador/query/meta_table_macro.hpp
   ../../include/matador/query/query.hpp
+  ../../include/matador/query/query_builder.hpp
   ../../include/matador/query/query_compiler.hpp
   ../../include/matador/query/query_data.hpp
   ../../include/matador/query/query_intermediates.hpp
+  ../../include/matador/query/query_object_resolver.hpp
   ../../include/matador/query/query_part.hpp
   ../../include/matador/query/query_utils.hpp
   ../../include/matador/query/schema.hpp
@@ -76,19 +79,25 @@ add_library(matador-orm STATIC
   ../../include/matador/sql/interface/query_result_reader.hpp
   ../../include/matador/sql/interface/statement_impl.hpp
   ../../include/matador/sql/interface/statement_proxy.hpp
+  ../../include/matador/sql/internal/identifier_reader.hpp
+  ../../include/matador/sql/internal/identifier_statement_binder.hpp
   ../../include/matador/sql/internal/object_result_binder.hpp
   ../../include/matador/sql/internal/query_result_impl.hpp
   ../../include/matador/sql/internal/query_result_pk_resolver.hpp
+  ../../include/matador/sql/internal/resolver_producer.hpp
+  ../../include/matador/sql/internal/statement_object_resolver.hpp
+  ../../include/matador/sql/producer_resolver_factory.hpp
   ../../include/matador/sql/query_context.hpp
+  ../../include/matador/sql/query_record_result.hpp
   ../../include/matador/sql/query_result.hpp
   ../../include/matador/sql/record.hpp
   ../../include/matador/sql/sql_functions.hpp
   ../../include/matador/sql/statement.hpp
+  ../../include/matador/sql/statement_cache.hpp
   orm/error_code.cpp
-  orm/query_builder_exception.cpp
   orm/session.cpp
-  orm/session_query_builder.cpp
   query/attribute_string_writer.cpp
+  query/basic_schema.cpp
   query/builder.cpp
   query/criteria/abstract_column_criteria.cpp
   query/criteria/between_criteria.cpp
@@ -133,7 +142,10 @@ add_library(matador-orm STATIC
   query/internal/query_result_impl.cpp
   query/key_value_generator.cpp
   query/query.cpp
+  query/query_builder.cpp
+  query/query_builder_exception.cpp
   query/query_compiler.cpp
+  query/query_object_resolver.cpp
   query/query_part.cpp
   query/query_utils.cpp
   query/schema.cpp
@@ -153,14 +165,17 @@ add_library(matador-orm STATIC
   sql/interface/query_result_reader.cpp
   sql/interface/statement_impl.cpp
   sql/interface/statement_proxy.cpp
+  sql/internal/identifier_reader.cpp
+  sql/internal/identifier_statement_binder.cpp
   sql/internal/object_result_binder.cpp
   sql/internal/query_result_pk_resolver.cpp
+  sql/internal/resolver_producer.cpp
   sql/object_parameter_binder.cpp
+  sql/producer_resolver_factory.cpp
   sql/query_result.cpp
   sql/record.cpp
   sql/statement.cpp
   sql/statement_cache.cpp
-  ../../include/matador/query/meta_table_macro.hpp
 )
 
 target_include_directories(matador-orm