From 69bd3cc08bbc690510b564223dd6e25e4a3083bf Mon Sep 17 00:00:00 2001
From: shiyu22 <shiyu.chen@zilliz.com>
Date: Thu, 15 Jun 2023 14:19:05 +0800
Subject: [PATCH] Update es

---
 es_search.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/es_search.py b/es_search.py
index 8a6b4ac..74a3347 100644
--- a/es_search.py
+++ b/es_search.py
@@ -34,6 +34,8 @@ class ESSearch(PyOperator):
             raise e
 
     def __call__(self, index_name: str, query: dict = {'match_all': {}}):
+        if not query:
+            return ''
         resp = self.client.search(index=index_name, query=query)
         return resp