Module: ActiveRecord::AttributeMethods::Query

Extended by:
ActiveSupport::Concern
Defined in:
activerecord/lib/active_record/attribute_methods/query.rb

Instance Method Summary collapse

Methods included from ActiveSupport::Concern

append_features, extended, included

Instance Method Details

#query_attribute(attr_name) ⇒ Object 



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# File 'activerecord/lib/active_record/attribute_methods/query.rb', line 10

def query_attribute(attr_name)
  value = read_attribute(attr_name) { |n| missing_attribute(n, caller) }

  case value
  when true        then true
  when false, nil  then false
  else
    column = self.class.columns_hash[attr_name]
    if column.nil?
      if Numeric === value || value !~ /[^0-9]/
        !value.to_i.zero?
      else
        return false if ActiveRecord::ConnectionAdapters::Column::FALSE_VALUES.include?(value)
        !value.blank?
      end
    elsif column.number?
      !value.zero?
    else
      !value.blank?
    end
  end
end