From ea05b8e49ffd3fb495c63fdd76c3168dbbd97cf1 Mon Sep 17 00:00:00 2001
From: zrguo <zrguo.bupt@qq.com>
Date: Tue, 11 Mar 2025 16:19:44 +0800
Subject: [PATCH] Fix the merge bug with Neo4j

---
 lightrag/lightrag.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lightrag/lightrag.py b/lightrag/lightrag.py
index 3a7d340a..2116cf58 100644
--- a/lightrag/lightrag.py
+++ b/lightrag/lightrag.py
@@ -2622,6 +2622,12 @@ class LightRAG:
 
             # 9. Delete source entities
             for entity_name in source_entities:
+                if entity_name == target_entity:
+                    logger.info(
+                        f"Skipping deletion of '{entity_name}' as it's also the target entity"
+                    )
+                    continue
+
                 # Delete entity node from knowledge graph
                 await self.chunk_entity_relation_graph.delete_node(entity_name)