From 09bf75c9e8e8c1317da638b9999e75290e2ec7c1 Mon Sep 17 00:00:00 2001
From: Argenis Leon <argenisleon@gmail.com>
Date: Thu, 18 Oct 2018 10:58:07 -0500
Subject: [PATCH] Message about issue with monotonically increase

---
 optimus/functions.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/optimus/functions.py b/optimus/functions.py
index 39dbc69e3..9c49175b0 100644
--- a/optimus/functions.py
+++ b/optimus/functions.py
@@ -114,6 +114,8 @@ def append(dfs, like="columns"):
     :return:
     """
 
+    # FIX: Because monotonically_increasing_id can create different sequence for different dataframes the result could be wrong.
+
     if like == "columns":
         temp_dfs = []
         col_temp_name = "id_" + random_int()