Anybody tried to save a collection of custom data types into a serialized
attribute?
I've tried YAML.add_domain_type, but that didn't seem to do anything at all.
Then, in the Ruby PickAxe book, they talked about adding to_yaml_properties to
your custom class, like this:
require 'yaml'
class ValuesOfConsumption
attr_accessor :consumption, :start_date, :end_date
def initialize(consumption, start_date, end_date)
@consumption, @start_date, @end_date = consumption, start_date, end_date
end
def to_yaml_properties
%w(@consumption @start_date @end_date)
end
def to_s
"#...@consumption} #...@start_date} #...@end_date}"
end
end
This works okay if I do YAML.dump and YAML.load, but doesn't seem to be called
when I use a serialized attribute in ActiveRecord.
Anyone done anything like this?
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