From 2644bcec7dbe3a65277b3a6a141853484171535a Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Fri, 25 Feb 2011 15:23:21 -0800
Subject: assinging nil to an offset will remove the offset from the AST

---
 lib/arel/select_manager.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'lib/arel')

diff --git a/lib/arel/select_manager.rb b/lib/arel/select_manager.rb
index 37405b4596..7f533fa91b 100644
--- a/lib/arel/select_manager.rb
+++ b/lib/arel/select_manager.rb
@@ -18,10 +18,19 @@ module Arel
       @ctx.wheres
     end
 
+    def offset
+      @ast.offset && @ast.offset.expr
+    end
+
     def skip amount
-      @ast.offset = Nodes::Offset.new(amount)
+      if amount
+        @ast.offset = Nodes::Offset.new(amount)
+      else
+        @ast.offset = nil
+      end
       self
     end
+    alias :offset= :skip
 
     ###
     # Produces an Arel::Nodes::Exists node
-- 
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