{"blog_url":"https://higayasuo.hatenablog.com/","width":"100%","url":"https://higayasuo.hatenablog.com/entry/20090723/1248315116","blog_title":"\u3072\u304c\u3084\u3059\u3092\u6280\u8853\u30d6\u30ed\u30b0","author_name":"higayasuo","height":"190","title":"GAE\u3067unowned\u306a\u95a2\u9023\u3092\u5b9a\u7fa9\u3059\u308b\u65b9\u6cd5","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhigayasuo.hatenablog.com%2Fentry%2F20090723%2F1248315116\" title=\"GAE\u3067unowned\u306a\u95a2\u9023\u3092\u5b9a\u7fa9\u3059\u308b\u65b9\u6cd5 - \u3072\u304c\u3084\u3059\u3092\u6280\u8853\u30d6\u30ed\u30b0\" 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","categories":[],"type":"rich","author_url":"https://blog.hatena.ne.jp/higayasuo/","provider_name":"Hatena Blog","description":"Google App Engine\u3067\u306f\u3001\u95a2\u9023\u306e\u5b9f\u88c5\u3068\u3057\u3066\u3001\u30ad\u30fc\u306e\u89aa\u5b50\u95a2\u4fc2\u3067\u5b9f\u73fe\u3059\u308bowned\u306a\u95a2\u9023\u3068\u3001\u30ad\u30fc\u306e\u89aa\u5b50\u95a2\u4fc2\u3067\u306f\u306a\u304f\u3001\u5358\u306b\u76f8\u624b\u306e\u30ad\u30fc\u3092\u6301\u3064\u3060\u3051\u306eunowned\u306a\u95a2\u9023\u304c\u3042\u308a\u307e\u3059\u3002 unowned\u306a\u95a2\u9023\u306f\u3001RDBMS\u306b\u304a\u3051\u308bFK\u3092\u6301\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u3082\u306e\u3060\u3068\u601d\u3046\u3068\u30a4\u30e1\u30fc\u30b8\u3057\u3084\u3059\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u4f8b\u3048\u3070\u3001\u6b21\u306e\u4f8b\u3067\u306f\u3001Foo\u304cBar\u3092unowned\u306a\u95a2\u9023\u5148\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002 @PersistenceCapable(identityType = IdentityType.APPLICATION, detachable = \"true\") public class Foo { @PrimaryKey\u2026","image_url":null,"provider_url":"https://hatena.blog","published":"2009-07-23 11:11:56"}