finished postgres fetch

test/SessionRecordTest.cpp

@@ -1,4 +1,5 @@
 #include <catch2/catch_test_macros.hpp>
+#include <catch2/generators/catch_generators.hpp>
 
 #include <matador/sql/condition.hpp>
 #include <matador/sql/session.hpp>
@@ -66,7 +67,11 @@ TEST_CASE("Create and drop table statement with foreign key", "[session record]"
 }
 
 TEST_CASE("Execute insert record statement", "[session record]") {
-  connection_pool<connection> pool("sqlite://sqlite.db", 4);
+  auto dns = GENERATE(as<std::string>{},
+                      "sqlite://sqlite.db",
+                      "postgres://test:test123@127.0.0.1:5432/matador_test" );
+
+  connection_pool<connection> pool(dns, 4);
   session s(pool);
 
   auto res = s.create()