Fix mixing implied implicit and left joins in hql (nhibernate#3187)

5.3 specific fix
Fixes nhibernate#3185

Author: bahusoid

build-common/NHibernate.props

@@ -3,9 +3,9 @@
 
   <PropertyGroup>
     <NhVersion     Condition="'$(NhVersion)' == ''"    >5.3</NhVersion>
-    <VersionPatch  Condition="'$(VersionPatch)'  == ''">14</VersionPatch>
+    <VersionPatch  Condition="'$(VersionPatch)'  == ''">15</VersionPatch>
     <!-- Clear VersionSuffix for making release and set it to dev for making development builds -->
-    <VersionSuffix Condition="'$(VersionSuffix)' == ''"></VersionSuffix>
+    <VersionSuffix Condition="'$(VersionSuffix)' == ''">dev</VersionSuffix>
 
     <VersionPrefix Condition="'$(VersionPrefix)' == ''">$(NhVersion).$(VersionPatch)</VersionPrefix>
     <VersionSuffix Condition="'$(VersionSuffix)' != '' AND '$(BuildNumber)' != ''">$(VersionSuffix).$(BuildNumber)</VersionSuffix>

src/NHibernate.Test/Async/Hql/EntityJoinHqlTest.cs

@@ -359,13 +359,17 @@ from x2 in session.Query<NullableOwner>()
 				var withNullOrValidList = await (session.Query<NullableOwner>().Where(x => x.ManyToOne.Id == validManyToOne.Id || x.ManyToOne == null).ToListAsync());
 				var withNullOrValidList2 = await (session.Query<NullableOwner>().Where(x =>  x.ManyToOne == null || x.ManyToOne.Id == validManyToOne.Id).ToListAsync());
 
+				//GH-3185
+				var mixImplicitAndLeftJoinList = await (session.Query<NullableOwner>().Where(x => x.ManyToOne.Id == validManyToOne.Id && x.OneToOne == null).ToListAsync());
+
 				Assert.That(fullList.Count, Is.EqualTo(2));
 				Assert.That(withValidManyToOneList.Count, Is.EqualTo(0));
 				Assert.That(withValidManyToOneList2.Count, Is.EqualTo(0));
 				Assert.That(withNullManyToOneList.Count, Is.EqualTo(2));
 				Assert.That(withNullManyToOneJoinedList.Count, Is.EqualTo(2));
 				Assert.That(withNullOrValidList.Count, Is.EqualTo(2));
 				Assert.That(withNullOrValidList2.Count, Is.EqualTo(2));
+				Assert.That(mixImplicitAndLeftJoinList.Count, Is.EqualTo(1));
 			}
 		}
 

src/NHibernate.Test/Hql/EntityJoinHqlTest.cs

@@ -347,13 +347,17 @@ from x2 in session.Query<NullableOwner>()
 				var withNullOrValidList = session.Query<NullableOwner>().Where(x => x.ManyToOne.Id == validManyToOne.Id || x.ManyToOne == null).ToList();
 				var withNullOrValidList2 = session.Query<NullableOwner>().Where(x =>  x.ManyToOne == null || x.ManyToOne.Id == validManyToOne.Id).ToList();
 
+				//GH-3185
+				var mixImplicitAndLeftJoinList = session.Query<NullableOwner>().Where(x => x.ManyToOne.Id == validManyToOne.Id && x.OneToOne == null).ToList();
+
 				Assert.That(fullList.Count, Is.EqualTo(2));
 				Assert.That(withValidManyToOneList.Count, Is.EqualTo(0));
 				Assert.That(withValidManyToOneList2.Count, Is.EqualTo(0));
 				Assert.That(withNullManyToOneList.Count, Is.EqualTo(2));
 				Assert.That(withNullManyToOneJoinedList.Count, Is.EqualTo(2));
 				Assert.That(withNullOrValidList.Count, Is.EqualTo(2));
 				Assert.That(withNullOrValidList2.Count, Is.EqualTo(2));
+				Assert.That(mixImplicitAndLeftJoinList.Count, Is.EqualTo(1));
 			}
 		}
 

src/NHibernate/Hql/Ast/ANTLR/Tree/FromElement.cs

@@ -590,13 +590,13 @@ public void SetOrigin(FromElement origin, bool manyToMany)
 				}
 				else
 				{
-					if (!Walker.IsInFrom && !Walker.IsInSelect)
+					if (Walker.IsInFrom || Walker.IsInSelect || (this.IsImplied && !this.JoinSequence.IsThetaStyle))
 					{
-						FromClause.AddChild(this);
+						origin.AddChild(this);
 					}
 					else
 					{
-						origin.AddChild(this);
+						FromClause.AddChild(this);
 					}
 				}
 			}