From fe2eefe6f3bb9ab43e1f0ce3d1d398c5e71c6092 Mon Sep 17 00:00:00 2001
From: sebbrochet <contact@sebbrochet.com>
Date: Tue, 21 Jun 2022 16:02:26 +0000
Subject: [PATCH] Fix issue #102

---
 code/DeltaKustoLib/KustoModel/MappingModel.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/DeltaKustoLib/KustoModel/MappingModel.cs b/code/DeltaKustoLib/KustoModel/MappingModel.cs
index aac8dc86..fb0873a2 100644
--- a/code/DeltaKustoLib/KustoModel/MappingModel.cs
+++ b/code/DeltaKustoLib/KustoModel/MappingModel.cs
@@ -78,7 +78,7 @@ public override bool Equals(object? obj)
                 var other = obj as MappingElement;
                 var result = other != null
                     && other.Column.Equals(Column)
-                    && other.DataType.Equals(DataType)
+                    && other.DataType != null && other.DataType.Equals(DataType)
                     && other.Properties.Equals(Properties);
 
                 return result;