From 9355ddb2937439d51866777eff1ef95b93df5203 Mon Sep 17 00:00:00 2001
From: Christopher Jolly <chris-jolly_au@hotmail.com>
Date: Sun, 9 Apr 2023 01:14:54 +0800
Subject: [PATCH] LEN propagates nullability

---
 .../ExpressionTranslators/Internal/JetStringMemberTranslator.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/EFCore.Jet/Query/ExpressionTranslators/Internal/JetStringMemberTranslator.cs b/src/EFCore.Jet/Query/ExpressionTranslators/Internal/JetStringMemberTranslator.cs
index 6f4461e..db91e69 100644
--- a/src/EFCore.Jet/Query/ExpressionTranslators/Internal/JetStringMemberTranslator.cs
+++ b/src/EFCore.Jet/Query/ExpressionTranslators/Internal/JetStringMemberTranslator.cs
@@ -30,7 +30,7 @@ namespace EntityFrameworkCore.Jet.Query.ExpressionTranslators.Internal
                instance?.Type == typeof(string)
                 ? _sqlExpressionFactory.Convert(
                     _sqlExpressionFactory.Function(
-                        "LEN", new[] {instance}, false, new[] {false}, returnType),
+                        "LEN", new[] { instance }, true, new[] { true }, returnType),
                     typeof(int))
                 : null;
     }