Ryan's Scraps: What's New in Edge Rails: Partial Updates

In lock-step with the recent dirty objects functionality comes the ability of ActiveRecord models to perform partial updates – which only saves the attributes that have been modified on updates. For instance: article = Article.find(:first) article.title #=> "Title" article.subject #=> "Edge Rails" # Update one of the attributes article.title = "New Title" # And only that updated attribute is persi

[ogawast]

こういう仕組みになっていたことは今知りました。。

[yoshitetsu]

部分的な変更に最適化したsqlがはかれる

[masuidrive]

edge rails