method

primary_key

rails latest stable - Class: ActiveRecord::AttributeMethods::PrimaryKey::ClassMethods

primary_key()

public

Defines the primary key field – can be overridden in subclasses. Overwriting will negate any effect of the primary_key_prefix_type setting, though.

# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 111
          def primary_key
            if PRIMARY_KEY_NOT_SET.equal?(@primary_key)
              @primary_key = reset_primary_key
            end
            @primary_key
          end

primary_key

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