From 2b27e653f7be7649f56b834543bcaf27e2b44c74 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Wed, 23 Mar 2011 17:55:03 -0700
Subject: supporting any node in SelectManager#from

---
 lib/arel/select_manager.rb | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/arel/select_manager.rb b/lib/arel/select_manager.rb
index 7f533fa91b..34a86da68d 100644
--- a/lib/arel/select_manager.rb
+++ b/lib/arel/select_manager.rb
@@ -38,6 +38,10 @@ module Arel
       Arel::Nodes::Exists.new @ast
     end
 
+    def as node, expr
+      Arel::Nodes::As.new node, expr
+    end
+
     def where_clauses
       if $VERBOSE
         warn "(#{caller.first}) where_clauses is deprecated and will be removed in arel 3.0.0 with no replacement"
@@ -86,10 +90,10 @@ module Arel
       # from the AR tests.
 
       case table
-      when Nodes::SqlLiteral, Arel::Table
-        @ctx.source.left = table
       when Nodes::Join
         @ctx.source.right << table
+      else
+        @ctx.source.left = table
       end
 
       self
-- 
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