QIFEMPTY: detected empty for all - fixed

extension/Classes/Sql/function.sql

@@ -81,7 +81,7 @@ CREATE FUNCTION QIFEMPTY(input TEXT, token TEXT)
 BEGIN
   DECLARE output TEXT;
   SET output =
-      IF(ISNULL(input) OR input = '' OR INPUT = '0' OR input = '0000-00-00' OR input = '0000-00-00 00:00:00', token,
+      IF(ISNULL(input) OR input = '' OR input = '0000-00-00' OR input = '0000-00-00 00:00:00', token,
          input);
   RETURN output;
 END;