ActiveRecordã®ã‚¯ãƒ©ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰serializeã®ä½¿ã„ã©ã“ã‚ - 夜㮠Discoveryserializeã¯Rubyオブジェクトをãã®ã¾ã¾DBã«æ ¼ç´ã§ãる機能ã§ã™ã€‚ éžå¸¸ã«ä¾¿åˆ©ãªæ©Ÿèƒ½ãªã®ã§ã€ç¾åœ¨é€²ã‚ã¦ã„る案件ã§ã€ã“ã®æ©Ÿèƒ½ã‚’多用ã—ã¦ã„ã‚‹ã®ã§ã™ãŒã€çµæ§‹ä½¿ã„ã©ã“ã‚ãŒé›£ã—ã„ã“ã¨ãŒã‚ã‹ã£ã¦ããŸã®ã§ã¾ã¨ã‚ã¦ã¿ã¾ã™ã€‚ 例ãˆã°ã€æ¬¡ã®ã‚ˆã†ã«ã—ã¦ä½¿ã„ã¾ã™ã€‚ class User < ActiveRecord::Base serialize :hobbies, Array end user = User.new user.name = 'kusakari' user.hobbies = ["baseball", "football"] user.save user = User.find(1) p user.hobbies # ["baseball", "football"] ãªãœä½¿ã„ã©ã“ã‚ãŒé›£ã—ã„ã¨æ€ã†ã‹æŒ™ã’ã¦ã¿ã¾ã™ã€‚ 親オブジェクトã¨ä¿å˜ã®ã‚¿ã‚¤ãƒŸãƒ³ã‚°ãŒå¸¸ã«åŒã˜ã«ãªã‚‹ 例ãˆã° hobbies テ
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