Fix wrong key model of FK for inverse FK side

hibernate-core/src/main/java/org/hibernate/metamodel/mapping/internal/EmbeddedForeignKeyDescriptor.java

@@ -61,6 +61,7 @@ public class EmbeddedForeignKeyDescriptor implements ForeignKeyDescriptor {
 	private AssociationKey associationKey;
 
 	public EmbeddedForeignKeyDescriptor(
+			EmbeddableValuedModelPart keyMappingType,
 			EmbeddableValuedModelPart targetMappingType,
 			String keyTable,
 			SelectableMappings keySelectableMappings,
@@ -72,11 +73,7 @@ public class EmbeddedForeignKeyDescriptor implements ForeignKeyDescriptor {
 		this.targetTable = targetTable;
 		this.targetSelectableMappings = targetSelectableMappings;
 		this.targetMappingType = targetMappingType;
-		this.keyMappingType = EmbeddedAttributeMapping.createInverseModelPart(
+		this.keyMappingType = keyMappingType;
-				targetMappingType,
-				keySelectableMappings,
-				creationProcess
-		);
 
 		creationProcess.registerInitializationCallback(
 				"Embedded (composite) FK descriptor " + targetMappingType.getNavigableRole(),

hibernate-core/src/main/java/org/hibernate/metamodel/mapping/internal/MappingModelCreationHelper.java

@@ -1134,6 +1134,11 @@ public class MappingModelCreationHelper {
 		if ( inverse ) {
 			return new EmbeddedForeignKeyDescriptor(
 					embeddableValuedModelPart,
+					EmbeddedAttributeMapping.createInverseModelPart(
+							embeddableValuedModelPart,
+							keySelectableMappings,
+							creationProcess
+					),
 					embeddableValuedModelPart.getContainingTableExpression(),
 					embeddableValuedModelPart.getEmbeddableTypeDescriptor(),
 					keyTableExpression,
@@ -1143,6 +1148,11 @@ public class MappingModelCreationHelper {
 		}
 		else {
 			return new EmbeddedForeignKeyDescriptor(
+					EmbeddedAttributeMapping.createInverseModelPart(
+							embeddableValuedModelPart,
+							keySelectableMappings,
+							creationProcess
+					),
 					embeddableValuedModelPart,
 					keyTableExpression,
 					keySelectableMappings,

hibernate-core/src/main/java/org/hibernate/metamodel/mapping/internal/ToOneAttributeMapping.java

@@ -610,9 +610,6 @@ public class ToOneAttributeMapping
 			);
 		}
 
-		//noinspection rawtypes
-		final DomainResult keyResult;
-
 		/*
 			1. No JoinTable
 				Model:
@@ -637,15 +634,21 @@ public class ToOneAttributeMapping
 
 		 */
 
+		final boolean isKeyReferringSide;
+		if ( isFetchingForeignKey( fetchParent.getNavigablePath() ) ) {
+			isKeyReferringSide = !this.isKeyReferringSide;
+		}
+		else{
+			isKeyReferringSide = this.isKeyReferringSide;
+		}
+		final DomainResult<?> keyResult = foreignKeyDescriptor.createDomainResult( fetchablePath, parentTableGroup, isKeyReferringSide, creationState );
 		boolean selectByUniqueKey;
 		if ( isKeyReferringSide ) {
 			// case 1.2
-			keyResult = foreignKeyDescriptor.createDomainResult( fetchablePath, parentTableGroup, creationState );
 			selectByUniqueKey = false;
 		}
 		else {
 			// case 1.1
-			keyResult = foreignKeyDescriptor.createDomainResult( fetchablePath, parentTableGroup, isKeyReferringSide, creationState );
 			selectByUniqueKey = bidirectionalAttributeName != null;
 		}
 
@@ -669,6 +672,16 @@ public class ToOneAttributeMapping
 		);
 	}
 
+	private boolean isFetchingForeignKey(NavigablePath p) {
+		while ( p != null ) {
+			if ( ForeignKeyDescriptor.PART_NAME.equals( p.getLocalName() ) ) {
+				return true;
+			}
+			p = p.getParent();
+		}
+		return false;
+	}
+
 	@Override
 	public <T> DomainResult<T> createDelayedDomainResult(
 			NavigablePath navigablePath,