New in 4.2: AdequateRecord

An overview of the query caching added to Rails 4.2

Transcript

1. New in Rails 4.2: AdequateRecord
2. Who I am Lead Developer @ Lyconic @alassek
3. http://tenderlovemaking.com/2014/02/19/adequaterecord-pro-like-activerecord.html
4. Post.find(10) SELECT * FROM posts WHERE id = 10
5. SELECT * FROM posts WHERE id = 10 SELECT * FROM posts WHERE id = 12 SELECT * FROM posts WHERE id = 22 SELECT * FROM posts WHERE id = 33
6. SELECT * FROM posts WHERE id = ? [id, 10] SELECT * FROM posts WHERE id = ? [id, 12] SELECT * FROM posts WHERE id = ? [id, 22] SELECT * FROM posts WHERE id = ? [id, 33]
8. SELECT * FROM posts WHERE id = ? [id, 10] SELECT * FROM posts WHERE id = ? [id, 12] SELECT * FROM posts WHERE id = ? [id, 22] SELECT * FROM posts WHERE id = ? [id, 33] AdequateRecord Cache
9. Post.find(id) Post.find_by_name(name) Post.find_by(name: name) post.comments Post.find(1, 2, 3) Post.find([1,2]) Post.find_by('published_at < ?’, 2.weeks.ago) Cached: NOT Cached: