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require 'benchmark/ips' | |
begin | |
class CreateModels < ActiveRecord::Migration | |
def change | |
create_table :books do |t| | |
t.string :attribute1 | |
t.integer :attribute2 | |
t.float :attribute3 | |
t.boolean :attribute4 | |
t.text :attribute5 | |
t.datetime :attribute6 | |
t.integer :attribute7, :limit => 8 | |
t.timestamps null: false | |
end | |
end | |
end | |
ActiveRecord::Migration.verbose = false | |
CreateModels.new.change | |
rescue => e | |
# Tables already exist | |
# puts e.message | |
end | |
class Book < ActiveRecord::Base | |
if Rails.version.split(".").first.to_i < 4 | |
attr_accessible :attribute1, :attribute2, :attribute3, :attribute4, :attribute5, :attribute6, :attribute7 | |
end | |
end | |
unless Book.count >= 1000 | |
# insert 1000 records via seeds | |
1000.times do | |
Book.create!( | |
attribute1: 'foo', | |
attribute2: 12345, | |
attribute3: 987.65, | |
attribute4: true, | |
attribute5: "TEXTTEXTTEXTTEXT", | |
attribute6: Time.now, | |
attribute7: 999999999999, | |
) | |
end | |
end | |
books1 = Book.all.to_a | |
books2 = Book.all.to_a | |
puts "=" * 80 | |
puts "Benchmark : ActiveRecord read by compiled attribute method" | |
puts "#{Rails.version} - #{ActiveRecord::Base.configurations[Rails.env]['adapter']}" | |
puts "=" * 80 | |
puts "" | |
Benchmark.ips do |x| | |
x.report('compiled method') do | |
books1.each do |book| | |
book.id | |
book.attribute1 | |
book.attribute2 | |
book.attribute3 | |
book.attribute4 | |
book.attribute5 | |
book.attribute6 | |
book.attribute7 | |
end | |
end | |
end |
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