From 931392757982fce6cf2238ce098f91dd8569a24d Mon Sep 17 00:00:00 2001
From: Mathieu Metral <mathieu.metral@toucantoco.com>
Date: Fri, 20 Jan 2023 14:52:38 +0100
Subject: [PATCH] fix: child entities as an object not being saved correctly
 with cascade actions

---
 src/metadata/EntityMetadata.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/metadata/EntityMetadata.ts b/src/metadata/EntityMetadata.ts
index eba5c5822e..82fdb32586 100644
--- a/src/metadata/EntityMetadata.ts
+++ b/src/metadata/EntityMetadata.ts
@@ -849,7 +849,11 @@ export class EntityMetadata {
     ): EntityMetadata {
         const childEntityMetadata =
             relation.inverseEntityMetadata.childEntityMetadatas.find(
-                (metadata) => metadata.target === value.constructor,
+                (metadata) =>
+                    metadata.target === value.constructor ||
+                    (metadata.discriminatorColumn &&
+                        value[metadata.discriminatorColumn.propertyName] ===
+                            metadata.discriminatorValue),
             )
         return childEntityMetadata
             ? childEntityMetadata