instance method `cache_key`

Ruby on Rails 3.1.12

Since v2.2.3 Last seen in v3.1.12

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12

Compare with:

cache_key()

Returns a cache key that can be used to identify this record.

Examples

Product.new.cache_key     # => "products/new"
Product.find(5).cache_key # => "products/5" (updated_at not available)
Person.find(5).cache_key  # => "people/5-20071224150000" (updated_at available)

Source

# File activerecord/lib/active_record/base.rb, line 1661
      def cache_key
        case
        when new_record?
          "#{self.class.model_name.cache_key}/new"
        when timestamp = self[:updated_at]
          timestamp = timestamp.utc.to_s(:number)
          "#{self.class.model_name.cache_key}/#{id}-#{timestamp}"
        else
          "#{self.class.model_name.cache_key}/#{id}"
        end
      end

Defined in activerecord/lib/active_record/base.rb line 1661 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Base

Signature

Examples