Sometimes you need to iterate over a ton of items and you don't want the overhead of creating AR objects out of all of them. Hell, you only need a few things! Well, #pluck has your back.
But what if you want to iterate over many tonnes of items?
Pluck in batches to the rescue!
Enjoy!
| require 'rubygems' | |
| require 'benchmark' | |
| require 'haml' | |
| haml_template = File.read('template.haml') | |
| erb_template = File.read('template.erb') | |
| Benchmark.bm do |x| | |
| x.report('haml:') { 1000.times{ Haml::Engine.new(haml_template).render } } | |
| x.report('erb:') { 1000.times{ ERB.new(erb_template, nil, '-').src } } |