Do not update updated_at column when updating a active record object.

## Installation

Install the latest stable release using bundler:

[sudo] gem "mute_updated_at"

And then execute:

$ bundle

Or install it manually:

$ gem install mute_updated_at

Finally, restart the server to apply the changes.

## Getting Started

# Class Level

In your Model just add :--

mute_updated_at

Example

class Post < ActiveRecord::Base
  attr_accessible :name
  mute_updated_at
end

this will not update update_at column for any object Post class.

post = Post.new({:name => "Ruby"})
post.save

sql query generated

INSERT INTO "posts" ("created_at", "name", "updated_at") VALUES (?, ?, ?)
 [["created_at", Thu, 05 Jun 2014 12:48:19 UTC +00:00], ["name", "Ruby"], ["updated_at", Thu, 05 Jun 2014 12:48:19 UTC +00:00]]

post.name = "Rails"
post.save

sql query generated

UPDATE "topics" SET "name" = 'Rails' WHERE "topics"."id" = 5

# Object Level

To skip for a particular object use

skip_updated_at_and_save method

class Comment < ActiveRecord::Base
  attr_accessible :name
end

comment = Comment.new({:name => "Ruby"})
comment.save

comment.name = "Rails"
comment.save

sql query generated

UPDATE "comments" SET "name" = 'Rails', "updated_at" = '2014-06-05 12:50:20.770767' WHERE "comments"."id" = 1

comment.name = "Rails 4"
comment.skip_updated_at_and_save

sql query generated

UPDATE "comments" SET "name" = 'Rails 4' WHERE "comments"."id" = 1

This project rocks and uses MIT-LICENSE.