{"author_url":"https://blog.hatena.ne.jp/euglena1215/","height":"190","description":"has many through \u306e\u6319\u52d5\u306b\u3064\u3044\u3066\u305a\u3063\u3068\u52d8\u9055\u3044\u3057\u3066\u3044\u305f\u3068\u3053\u308d\u304c\u3042\u3063\u305f\u306e\u3067\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u66f8\u304d\u7559\u3081\u3066\u304a\u304d\u307e\u3059\u3002 3\u884c\u307e\u3068\u3081 has many through \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u6319\u52d5\u3067\u306f\u524a\u9664\u6642\u306b delete_all \u3092\u5b9f\u884c\u3057\u305f\u306e\u3068\u540c\u3058\u6319\u52d5\u306b\u306a\u308a\u3001callback \u304c\u767a\u706b\u3057\u306a\u3044 has many through \u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306b dependent: :destroy \u3092\u3064\u3051\u308b\u3068 destroy callback \u304c\u547c\u3073\u51fa\u3055\u308c\u4e00\u822c\u7684\u306b\u671f\u5f85\u3059\u308b\u6319\u52d5\u306b\u306a\u308b has many through \u3092\u4f7f\u3046\u969b\u306f\u5e38\u306b dependent: :destroy \u3092\u3064\u3051\u308b\u3088\u3046\u306b\u3057\u305f\u65b9\u304c\u826f\u3044\u306e\u3067\u306f\uff1f \u8d77\u304d\u3066\u3044\u305f\u554f\u984c\u2026","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","version":"1.0","categories":["Rails"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Feuglena1215.hatenablog.jp%2Fentry%2F2023%2F05%2F07%2F155800\" title=\"Rails \u306e has many through \u7d4c\u7531\u3067\u30e2\u30c7\u30eb\u3092\u524a\u9664\u3059\u308b\u3068 destroy callback \u304c\u547c\u3073\u51fa\u3055\u308c\u306a\u3044 - \u30ab\u30ec\u30fc\u306e\u6069\u8fd4\u3057\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://euglena1215.hatenablog.jp/entry/2023/05/07/155800","blog_title":"\u30ab\u30ec\u30fc\u306e\u6069\u8fd4\u3057","author_name":"euglena1215","width":"100%","type":"rich","blog_url":"https://euglena1215.hatenablog.jp/","image_url":null,"published":"2023-05-07 15:58:00","title":"Rails \u306e has many through \u7d4c\u7531\u3067\u30e2\u30c7\u30eb\u3092\u524a\u9664\u3059\u308b\u3068 destroy callback \u304c\u547c\u3073\u51fa\u3055\u308c\u306a\u3044"}