Active Record Serialization

Methods
S
Included Modules
Instance Public methods
serializable_hash(options = nil)

Source: show | on GitHub 

    # File activerecord/lib/active_record/serialization.rb, line 7
 7:     def serializable_hash(options = nil)
 8:       options = options.try(:clone) || {}
 9: 
10:       options[:except] = Array.wrap(options[:except]).map { |n| n.to_s }
11:       options[:except] |= Array.wrap(self.class.inheritance_column)
12: 
13:       super(options)
14:     end