From 6e79bef321db83750f8ef679bbac1b598f45011e Mon Sep 17 00:00:00 2001
From: chenjingyang <t-chenjingyang@antateam.com>
Date: Tue, 4 Feb 2025 17:09:34 +0800
Subject: [PATCH] Fix get_by_id DB query ressult is empty array

---
 lightrag/kg/postgres_impl.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lightrag/kg/postgres_impl.py b/lightrag/kg/postgres_impl.py
index af62c522..ba91c94a 100644
--- a/lightrag/kg/postgres_impl.py
+++ b/lightrag/kg/postgres_impl.py
@@ -447,7 +447,7 @@ class PGDocStatusStorage(DocStatusStorage):
         sql = "select * from LIGHTRAG_DOC_STATUS where workspace=$1 and id=$2"
         params = {"workspace": self.db.workspace, "id": id}
         result = await self.db.query(sql, params, True)
-        if result is None:
+        if result is None or result == []:
             return None
         else:
             return DocProcessingStatus(