From a0bebf352629010103ff7e3cc003ce69a2d9b2df Mon Sep 17 00:00:00 2001
From: Ryuta Kamizono <kamipo@gmail.com>
Date: Thu, 4 May 2017 18:04:24 +0900
Subject: Remove unused `engine`

Follow up of 98fc25991137ee09b6800578117f8c1c322680f2.

`engine` is only used for `to_sql` and `where_sql` now.
---
 lib/arel/tree_manager.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/arel/tree_manager.rb b/lib/arel/tree_manager.rb
index cc3f1eeee4..a8dbb4c87a 100644
--- a/lib/arel/tree_manager.rb
+++ b/lib/arel/tree_manager.rb
@@ -5,7 +5,7 @@ module Arel
   class TreeManager
     include Arel::FactoryMethods
 
-    attr_reader :ast, :engine
+    attr_reader :ast
 
     attr_accessor :bind_values
 
-- 
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