From 00b62ab73bef05126fdfb72291beee60898c4f8e Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Tue, 7 Feb 2012 11:51:30 -0800
Subject: moving column types to an ivar on the result

---
 activerecord/lib/active_record/attribute_methods/read.rb |  6 +++++-
 activerecord/lib/active_record/result.rb                 | 13 +++++--------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb
index 66f4b0b6c6..a52d36aad8 100644
--- a/activerecord/lib/active_record/attribute_methods/read.rb
+++ b/activerecord/lib/active_record/attribute_methods/read.rb
@@ -125,7 +125,11 @@ module ActiveRecord
       # Returns the value of the attribute identified by <tt>attr_name</tt> after it has been typecast (for example,
       # "2004-12-12" in a data column is cast to a date object, like Date.new(2004, 12, 12)).
       def read_attribute(attr_name)
-        self.class.type_cast_attribute(attr_name, @attributes, @attributes_cache)
+        if @columns_hash.key? attr_name
+          @columns_hash[attr_name].type_cast @attributes[attr_name]
+        else
+          self.class.type_cast_attribute(attr_name, @attributes, @attributes_cache)
+        end
       end
 
       private
diff --git a/activerecord/lib/active_record/result.rb b/activerecord/lib/active_record/result.rb
index 4eb2cf3a72..fb4b89b87b 100644
--- a/activerecord/lib/active_record/result.rb
+++ b/activerecord/lib/active_record/result.rb
@@ -8,12 +8,13 @@ module ActiveRecord
   class Result
     include Enumerable
 
-    attr_reader :columns, :rows
+    attr_reader :columns, :rows, :column_types
 
     def initialize(columns, rows)
-      @columns   = columns
-      @rows      = rows
-      @hash_rows = nil
+      @columns      = columns
+      @rows         = rows
+      @hash_rows    = nil
+      @column_types = {}
     end
 
     def each
@@ -49,10 +50,6 @@ module ActiveRecord
       @hash_rows = nil
     end
 
-    def column_types
-      {}
-    end
-
     private
     def hash_rows
       @hash_rows ||= @rows.map { |row|
-- 
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