diff --git a/src/postgresqlqueryresult.cpp b/src/postgresqlqueryresult.cpp
index 4391d3e..61c3209 100644
--- a/src/postgresqlqueryresult.cpp
+++ b/src/postgresqlqueryresult.cpp
@@ -136,7 +136,14 @@ bool PostgreSQLQueryResult::is_null(int column_index)
 }
 
 
-
+/*
+ * in the future we can use single row mode:
+ * https://www.postgresql.org/docs/10/libpq-single-row-mode.html
+ *
+ * or just cursors from database:
+ * https://www.postgresql.org/docs/current/sql-fetch.html
+ *
+ */
 const char * PostgreSQLQueryResult::get_value_from_result(int row, int col)
 {
 	const char * value_str = nullptr;