From b9e16e5452fd916bd9444807ee32285d20218c8e Mon Sep 17 00:00:00 2001
From: ff2248 <ff2248@gmail.com>
Date: Thu, 24 Aug 2023 23:12:20 +0800
Subject: [PATCH] replace from(nil) to from(Arel.sql(DUAL)) for to query from
 DUAL

---
 lib/atomically/query_service.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/atomically/query_service.rb b/lib/atomically/query_service.rb
index e0cceb4..94d8d4b 100644
--- a/lib/atomically/query_service.rb
+++ b/lib/atomically/query_service.rb
@@ -88,7 +88,7 @@ def update_all_and_get_ids(*args)
     @klass.transaction do
       @relation.connection.execute('SET @ids := NULL')
       @relation.where("(SELECT @ids := CONCAT_WS(',', #{id_column}, @ids))").update_all(*args) # 撈出有真的被更新的 id，用逗號串在一起
-      ids = @klass.from(nil).pluck(Arel.sql('@ids')).first
+      ids = @klass.from(Arel.sql('DUAL')).pluck(Arel.sql('@ids')).first
     end
     return ids.try{|s| s.split(',').map(&:to_i).uniq.sort } || [] # 將 id 從字串取出來 @id 的格式範例: '1,4,12'
   end