From 67da0bfb31846a6afcb015e8af8159e94fc2d819 Mon Sep 17 00:00:00 2001
From: j82w <j82w@users.noreply.github.com>
Date: Fri, 3 Jun 2022 10:09:13 -0700
Subject: [PATCH] Samples: Adds warning about System.Text.Json and LINQ (#3251)

---
 Microsoft.Azure.Cosmos.Samples/Usage/SystemTextJson/Program.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Microsoft.Azure.Cosmos.Samples/Usage/SystemTextJson/Program.cs b/Microsoft.Azure.Cosmos.Samples/Usage/SystemTextJson/Program.cs
index 739595d262..ac990a4e28 100644
--- a/Microsoft.Azure.Cosmos.Samples/Usage/SystemTextJson/Program.cs
+++ b/Microsoft.Azure.Cosmos.Samples/Usage/SystemTextJson/Program.cs
@@ -115,6 +115,8 @@ private static async Task RunDemo()
             Console.WriteLine($"Created Completed activity with id {createCompletedActivity.Resource.Id} that cost {createCompletedActivity.RequestCharge}");
 
             // Execute queries materializing responses using System.Text.Json
+            // NOTE: GetItemLinqQueryable does not support System.Text.Json attributes. LINQ will not translate the name based on the attributes
+            // which can result in no or invalid results coming back. https://github.com/Azure/azure-cosmos-dotnet-v3/issues/3250
             using FeedIterator<ToDoActivity> iterator = container.GetItemQueryIterator<ToDoActivity>("select * from c where c.status = 'Completed'");
             while (iterator.HasMoreResults)
             {