backend tests progress

backends/postgres/src/postgres_connection.cpp

@@ -145,7 +145,7 @@ sql::record postgres_connection::describe(const std::string &table)
   while (reader.fetch()) {
     char *end = nullptr;
     // Todo: Handle error
-    auto index = strtoul(reader.column(0), &end, 10);
+    auto index = strtoul(reader.column(0), &end, 10) - 1;
     std::string name = reader.column(1);
 
     // Todo: extract size
@@ -156,7 +156,7 @@ sql::record postgres_connection::describe(const std::string &table)
       null_opt = sql::null_option::NOT_NULL;
     }
     // f.default_value(res->column(4));
-    prototype.append({name, type, utils::null_attributes, null_opt});
+    prototype.append({name, type, utils::null_attributes, null_opt, index});
   }
 
   return std::move(prototype);