method

type_for_attribute

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What's this?

type_for_attribute(attr_name, &block) public

Returns the type of the attribute with the given name, after applying all modifiers. This method is the only valid source of information for anything related to the types of a model’s attributes. This method will access the database and load the model’s schema if it is required.

The return value of this method will implement the interface described by ActiveModel::Type::Value (though the object itself may not subclass it).

attr_name The name of the attribute to retrieve the type for. Must be a string or a symbol.

Show source

# File activerecord/lib/active_record/model_schema.rb, line 381
      def type_for_attribute(attr_name, &block)
        attr_name = attr_name.to_s
        if block
          attribute_types.fetch(attr_name, &block)
        else
          attribute_types[attr_name]
        end
      end

type_for_attribute

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