enabled backend tests for postgres (doesn't compile)

test/backends/QueryFixture.hpp

@@ -1,8 +1,9 @@
 #ifndef MATADOR_QUERY_FIXTURE_HPP
 #define MATADOR_QUERY_FIXTURE_HPP
 
+#include "matador/object/schema.hpp"
+
 #include "matador/sql/connection.hpp"
-#include "matador/sql/schema.hpp"
 
 #include "connection.hpp"
 

test/backends/QueryTest.cpp

@@ -1,8 +1,9 @@
 #include "catch2/catch_test_macros.hpp"
 
-#include "matador/sql/column_definition.hpp"
-#include "matador/sql/condition.hpp"
-#include "matador/sql/query.hpp"
+#include "matador/object/attribute_definition.hpp"
+
+#include "matador/query/condition.hpp"
+#include "matador/query/query.hpp"
 
 #include "QueryFixture.hpp"
 
@@ -13,9 +14,9 @@
 
 using namespace matador::sql;
 using namespace matador::test;
+using namespace matador::query;
 
-TEST_CASE_METHOD(QueryFixture, "Create table with foreign key relation", "[query][foreign][relation]")
-{
+TEST_CASE_METHOD(QueryFixture, "Create table with foreign key relation", "[query][foreign][relation]") {
   schema.attach<airplane>("airplane");
   schema.attach<flight>("flight");
   auto res = query::create()

test/backends/SessionFixture.hpp

@@ -1,7 +1,7 @@
 #ifndef MATADOR_SESSION_FIXTURE_HPP
 #define MATADOR_SESSION_FIXTURE_HPP
 
-#include "matador/sql/session.hpp"
+#include "matador/orm/session.hpp"
 
 #include "connection.hpp"
 
@@ -16,8 +16,8 @@ public:
 
 protected:
   sql::connection_pool<sql::connection> pool;
-  sql::session ses;
   std::stack <std::string> tables_to_drop;
+  orm::session ses;
 
 private:
   void drop_table_if_exists(const std::string &table_name) const;