search for: my_date_parser

...post.date = "22-jan-2007" puts post.date you get a nil instead of a Date object, because ActiveRecord::Base::Column#type_cast is called by the getter via read_attribute, who does not understand that string. Another approach is to redefine the setter: def date=(v) v = my_date_parser(v) if v.is_a?(String) write_attribute(:date, v) end but that breaks objet loading from the database because that setter is called by the database adapter as well, and going in that direction my_date_parser receives a String with the format used by the database. I think having a cust...