{"published":"2008-05-17 00:00:01","categories":["Java","\u5099\u5fd8\u9332"],"type":"rich","description":"GlassFish\u4e0a\u3067\u52d5\u304b\u3059JPA\u5b9f\u88c5\u3092\u307e\u3058\u3081\u306b\u4e57\u308a\u63db\u3048\u3088\u3046\u3068\u601d\u3046\u306e\u3067\u3082\u3046\u3061\u3087\u3063\u3068\u8abf\u3079\u3066\u307f\u305f\u3002DB\u306fPostgreSQL\u3002 LAZY\u306f\u554f\u984c\u306a\u304f\u52d5\u304f\u304b \u307e\u3063\u305f\u304f\u554f\u984c\u306a\u3057\u3002TopLink\u3068\u4e26\u3093\u3067\u5b89\u5fc3\u3057\u3066\u4f7f\u3048\u308b\u3002 ID\u751f\u6210\u306f @GeneratedValue(strategy=GenerationType.AUTO)\u306fGenerationType.TABLE\u3068\u540c\u3058\u3002 \u304a\u305d\u3089\u304f\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001ID\u751f\u6210\u306fGenerationType.IDENTITY\u3060\u308d\u3046\u3002strategy=GenerationType.IDENTITY\u306f\u5f53\u305f\u308a\u524d\u3060\u304cid\u306finsert\u305b\u305a\u3002 \u305d\u3057\u3066\u305d\u306e\u5f8c executing prepst\u2026","url":"https://shinsan.hatenablog.jp/entry/20080517/p1","author_name":"shin","width":"100%","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshinsan.hatenablog.jp%2Fentry%2F20080517%2Fp1\" title=\"OpenJPA\u3092\u3055\u3089\u306b\u8abf\u3079\u308b - \u3057\u3093\u3055\u3093\u306e\u51fa\u5f35\u6240 \u306f\u3066\u306a\u30d6\u30ed\u30b0\u7de8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","version":"1.0","blog_url":"https://shinsan.hatenablog.jp/","image_url":null,"author_url":"https://blog.hatena.ne.jp/shin/","blog_title":"\u3057\u3093\u3055\u3093\u306e\u51fa\u5f35\u6240 \u306f\u3066\u306a\u30d6\u30ed\u30b0\u7de8","title":"OpenJPA\u3092\u3055\u3089\u306b\u8abf\u3079\u308b","height":"190"}