{"provider_name":"Hatena Blog","blog_url":"https://www.malanka.org/","url":"https://www.malanka.org/entry/2020/02/10/070000","width":"100%","version":"1.0","author_name":"mah666hhh","categories":["\u6280\u8853\u95a2\u9023","\u6280\u8853\u95a2\u9023 - Rails"],"blog_title":"\u30b9\u30ea\u98ef\u5c4bMaLanka\u306e\u30d5\u30ea\u30fc\u30a8\u30f3\u30b8\u30cb\u30a2\u306a\u65e5\u3005","height":"190","title":"\u3010Rails heroku\u3011ActiveRecord::AttributeMethods::Serialization::ColumnNotSerializableError","type":"rich","published":"2020-02-10 07:00:00","author_url":"https://blog.hatena.ne.jp/mah666hhh/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/mah666hhh/20200207/20200207084020.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.malanka.org%2Fentry%2F2020%2F02%2F10%2F070000\" title=\"\u3010Rails heroku\u3011ActiveRecord::AttributeMethods::Serialization::ColumnNotSerializableError - \u30b9\u30ea\u98ef\u5c4bMaLanka\u306e\u30d5\u30ea\u30fc\u30a8\u30f3\u30b8\u30cb\u30a2\u306a\u65e5\u3005\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","description":"postgreSQL(heroku\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306eDB\u306fpostgreSQL) \u3067\u306f\u3001\u30e2\u30c7\u30eb\u306eserialize\u30e1\u30bd\u30c3\u30c9\u304c\u4f7f\u3048\u306a\u3044 \u3088\u3046\u3067\u3059\u3002 ActiveRecord::AttributeMethods::Serialization::ColumnNotSerializableError (Column `tags` of type ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Array does not support `serialize` feature. Usually it means that you are trying to use `serialize` on a column that already implements serialization natively."}