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 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'activerecord/lib/active_record/attribute_methods/query.rb', line 12

def query_attribute(attr_name)
  unless value = read_attribute(attr_name)
    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