From 7cd11b4a59d3ca102e15f0596b39cd0934f63076 Mon Sep 17 00:00:00 2001
From: Vincent Biret <vibiret@microsoft.com>
Date: Mon, 31 Mar 2025 14:00:19 -0400
Subject: [PATCH] fix: filter out not found alternate keys properties

---
 src/Microsoft.OpenApi.OData.Reader/Edm/ODataPathProvider.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Microsoft.OpenApi.OData.Reader/Edm/ODataPathProvider.cs b/src/Microsoft.OpenApi.OData.Reader/Edm/ODataPathProvider.cs
index 0c5a17fb..1c12bef6 100644
--- a/src/Microsoft.OpenApi.OData.Reader/Edm/ODataPathProvider.cs
+++ b/src/Microsoft.OpenApi.OData.Reader/Edm/ODataPathProvider.cs
@@ -705,8 +705,9 @@ private void CreateAlternateKeyPath(ODataPath currentPath, IEdmEntityType entity
             IEnumerable<IDictionary<string, IEdmProperty>> alternateKeys = _model.GetAlternateKeysAnnotation(entityType);
             foreach (var keyDict in alternateKeys)
             {
+                if (keyDict.Where(static x => x.Value is not null).ToDictionary(static k => k.Key, static v => v.Value.Name) is not { Count: > 0 } keyMappings)
+                    continue;
                 ODataPath keyPath = currentPath.Clone();
-                IDictionary<string, string> keyMappings = keyDict.ToDictionary(static k => k.Key, static v => v.Value.Name);
                 ODataKeySegment keySegment = new(entityType, keyMappings)
                 {
                     IsAlternateKey = true