From b5ade7496e8b0a8e013ee593ffcb781b838df5e5 Mon Sep 17 00:00:00 2001
From: Paul Bennett <pbennett.uk@gmail.com>
Date: Thu, 20 Jul 2023 14:54:54 +0100
Subject: [PATCH] Update README.md

Adding `upsert` into Readme
---
 README.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/README.md b/README.md
index c4808759..8e3e8447 100644
--- a/README.md
+++ b/README.md
@@ -175,6 +175,24 @@ supabase: Client = create_client(url, key)
 data = supabase.table("countries").update({"country": "Indonesia", "capital_city": "Jakarta"}).eq("id", 1).execute()
 ```
 
+### Update data of duplicate keys
+
+```python
+from supabase import create_client, Client
+
+url: str = os.environ.get("SUPABASE_TEST_URL")
+key: str = os.environ.get("SUPABASE_TEST_KEY")
+supabase: Client = create_client(url, key)
+
+country = {
+  "country": "United Kingdom",
+  "capital_city": "London" # this was missing when it was added
+}
+
+data = supabase.table("countries").upsert(country).execute()
+assert len(data.data) > 0
+```
+
 ### Deletion of Data
 
 ```python