From b23e45dabd0d87db1cfc800f055fb172a00a0d35 Mon Sep 17 00:00:00 2001
From: putrasattvika2 <putra.sattvika@paypay-corp.co.jp>
Date: Wed, 5 Nov 2025 14:06:43 +0900
Subject: [PATCH] Fix query failure when the Lucene Query field is empty

---
 package.json           | 2 +-
 src/datasource/base.ts | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index 92e78b1..7717c6b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "quickwit-datasource",
-  "version": "0.8.0+paypay",
+  "version": "0.8.1+paypay",
   "description": "Quickwit datasource",
   "scripts": {
     "build": "webpack -c ./.config/webpack/webpack.config.ts --env production",
diff --git a/src/datasource/base.ts b/src/datasource/base.ts
index dc93cd8..29add04 100644
--- a/src/datasource/base.ts
+++ b/src/datasource/base.ts
@@ -396,7 +396,10 @@ export class BaseQuickwitDataSource
     }
 
     // Surround the query with () to ensure that the filters are properly AND'd
-    let finalQuery = '(' + query + ')';
+    let finalQuery = query.trim();
+    if (finalQuery.length > 0) {
+      finalQuery = '(' + finalQuery + ')';
+    }
 
     adhocFilters.forEach((filter) => {
       finalQuery = addAddHocFilter(finalQuery, filter);