From e2322a9087d7eb5dc78b72c6ffacfe55a50b8c9e Mon Sep 17 00:00:00 2001
From: David Jones <dgjones@gmail.com>
Date: Tue, 15 May 2012 09:40:24 -0700
Subject: Make the 'Using Models in Your Migrations' example code more concise
 by using update_all method

---
 guides/source/migrations.textile | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

(limited to 'guides/source/migrations.textile')

diff --git a/guides/source/migrations.textile b/guides/source/migrations.textile
index f855072fd8..52dba76e68 100644
--- a/guides/source/migrations.textile
+++ b/guides/source/migrations.textile
@@ -737,9 +737,7 @@ column.
 class AddFlagToProduct < ActiveRecord::Migration
   def change
     add_column :products, :flag, :boolean
-    Product.all.each do |product|
-      product.update_attributes!(:flag => false)
-    end
+    Product.update_all :flag => false
   end
 end
 </ruby>
@@ -762,9 +760,7 @@ column.
 class AddFuzzToProduct < ActiveRecord::Migration
   def change
     add_column :products, :fuzz, :string
-    Product.all.each do |product|
-      product.update_attributes! :fuzz => 'fuzzy'
-    end
+    Product.update_all :fuzz => 'fuzzy'
   end
 end
 </ruby>
@@ -816,9 +812,7 @@ class AddFlagToProduct < ActiveRecord::Migration
   def change
     add_column :products, :flag, :boolean
     Product.reset_column_information
-    Product.all.each do |product|
-      product.update_attributes!(:flag => false)
-    end
+    Product.update_all :flag => false
   end
 end
 </ruby>
@@ -833,9 +827,7 @@ class AddFuzzToProduct < ActiveRecord::Migration
   def change
     add_column :products, :fuzz, :string
     Product.reset_column_information
-    Product.all.each do |product|
-      product.update_attributes!(:fuzz => 'fuzzy')
-    end
+    Product.update_all :fuzz => 'fuzzy'
   end
 end
 </ruby>
-- 
cgit v1.2.3