instance method `id?`

Ruby on Rails 7.1.6

Since v3.2.22.5

Available in: 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:

id?()

Queries the primary key column’s value. If the primary key is composite, all primary key column values must be queryable.

Source

# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 45
      def id?
        if self.class.composite_primary_key?
          @primary_key.all? { |col| _query_attribute(col) }
        else
          _query_attribute(@primary_key)
        end
      end

Defined in activerecord/lib/active_record/attribute_methods/primary_key.rb line 45 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::AttributeMethods::PrimaryKey

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