method

attributes_from_column_definition

v3.0.9 - Show latest stable - Class: ActiveRecord::Persistence

attributes_from_column_definition()

private

Initializes the attributes array with keys matching the columns from the linked table and the values matching the corresponding default value of that column, so that a new instance, or one populated from a passed-in Hash, still has all the attributes that instances loaded from the database would.

# File activerecord/lib/active_record/persistence.rb, line 287
    def attributes_from_column_definition
      self.class.columns.inject({}) do |attributes, column|
        attributes[column.name] = column.default unless column.name == self.class.primary_key
        attributes
      end
    end

attributes_from_column_definition

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