{"url":"https://brtriver.hatenadiary.org/entry/20070930/1191136728","type":"rich","blog_title":"\u3077\u304e\u304c\u307d\u304e","provider_name":"Hatena Blog","width":"100%","provider_url":"https://hatena.blog","author_name":"brtRiver","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbrtriver.hatenadiary.org%2Fentry%2F20070930%2F1191136728\" title=\" \u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u5b9f\u88c5\u3067\u304d\u308b\u304b\u3089\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u306a\u3044\u3093\u3060\u3051\u3069 - \u3077\u304e\u304c\u307d\u304e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","published":"2007-09-30 16:18:48","author_url":"https://blog.hatena.ne.jp/brtRiver/","image_url":null,"height":"190","description":"\u81ea\u8eab\u306e\u30c6\u30fc\u30d6\u30eb\u5185\u3067\u89aa\u5b50\u95a2\u4fc2(\u30c4\u30ea\u30fc\u69cb\u9020)\u3092\u8868\u73fe\u3059\u308b\u3068\u304d\u306b\u3001\u3053\u3046\u3059\u308b\u3068\u826f\u3044\u3088\u3068\u3044\u3046\u30b5\u30f3\u30d7\u30eb\u304c Managing Hierarchical Data in MySQL(dev.mysql.com)\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u3053\u3053\u3067\u30c4\u30ea\u30fc\u69cb\u9020\u3092\u53d6\u5f97\u3059\u308bSQL\u304c\u6b21\u306e\u3088\u3046\u306b\u7d39\u4ecb\u3055\u308c\u3066\u307e\u3059\u3002 SELECT node.name, (COUNT(parent.name) - 1) AS depth FROM nested_category AS node, nested_category AS parent WHERE node.lft BETWEEN parent.lft AND parent.rgt GROUP\u2026","categories":["php","propel","criteria"],"title":" \u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u5b9f\u88c5\u3067\u304d\u308b\u304b\u3089\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u306a\u3044\u3093\u3060\u3051\u3069","blog_url":"https://brtriver.hatenadiary.org/"}