From a3760beedb3be7d1841ac531de2835bff4e8da9b Mon Sep 17 00:00:00 2001
From: "wenjun.gu" <wenjun.gu@envision-energy.com>
Date: Thu, 5 Jun 2025 21:03:06 +0800
Subject: [PATCH] fix: opensearch metadata filtering returns empty (#20672)

---
 api/core/rag/datasource/vdb/opensearch/opensearch_vector.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/api/core/rag/datasource/vdb/opensearch/opensearch_vector.py b/api/core/rag/datasource/vdb/opensearch/opensearch_vector.py
index 6991598ce6..6610ea5f53 100644
--- a/api/core/rag/datasource/vdb/opensearch/opensearch_vector.py
+++ b/api/core/rag/datasource/vdb/opensearch/opensearch_vector.py
@@ -255,7 +255,8 @@ class OpenSearchVector(BaseVector):
                             Field.METADATA_KEY.value: {
                                 "type": "object",
                                 "properties": {
-                                    "doc_id": {"type": "keyword"}  # Map doc_id to keyword type
+                                    "doc_id": {"type": "keyword"},  # Map doc_id to keyword type
+                                    "document_id": {"type": "keyword"}
                                 },
                             },
                         }