instance method `to_key`

Ruby on Rails 4.0.13

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

to_key()

Returns this record’s primary key value wrapped in an Array if one is available.

Source

# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 10
      def to_key
        sync_with_transaction_state
        key = self.id
        [key] if key
      end

Defined in activerecord/lib/active_record/attribute_methods/primary_key.rb line 10 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::AttributeMethods::PrimaryKey

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