From 6806843e38cd85b2b01dc80e984f8d7451487a28 Mon Sep 17 00:00:00 2001
From: Alexander Zaytsev <hazzik@gmail.com>
Date: Sun, 17 May 2020 01:32:32 +1200
Subject: [PATCH] Fix detecting entities of left join by IEntityDecider

---
 src/NHibernate/Util/ExpressionsHelper.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/NHibernate/Util/ExpressionsHelper.cs b/src/NHibernate/Util/ExpressionsHelper.cs
index 92476759ce7..08a60aeeb66 100644
--- a/src/NHibernate/Util/ExpressionsHelper.cs
+++ b/src/NHibernate/Util/ExpressionsHelper.cs
@@ -6,6 +6,7 @@
 using System.Runtime.CompilerServices;
 using NHibernate.Engine;
 using NHibernate.Linq;
+using NHibernate.Linq.Clauses;
 using NHibernate.Linq.Expressions;
 using NHibernate.Linq.Functions;
 using NHibernate.Linq.Visitors;
@@ -646,6 +647,11 @@ protected override Expression VisitQuerySourceReference(QuerySourceReferenceExpr
 					return base.Visit(joinClause.InnerSequence);
 				}
 
+				if (node.ReferencedQuerySource is NhOuterJoinClause outerJoinClause)
+				{
+					return base.Visit(outerJoinClause.JoinClause.InnerSequence);
+				}
+
 				// Not supported expression
 				_entityName = null;
 				return node;