{"author_url":"https://blog.hatena.ne.jp/bluerabbit/","published":"2009-10-07 21:28:15","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbluerabbit.hatenablog.com%2Fentry%2F20091007%2F1254918495\" title=\"appengine\u306fRead Committed\u76f8\u5f53\u3060\u304ccommit()\u306b\u306f2\u3064\u306e\u30de\u30a4\u30eb\u30b9\u30c8\u30fc\u30f3\u304c\u3042\u308b\u3053\u3068\u3092\u5fd8\u308c\u3066\u306f\u3044\u3051\u306a\u3044 - \u3042\u304a\u3046\u3055\uff20\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","url":"https://bluerabbit.hatenablog.com/entry/20091007/1254918495","categories":["\u6280\u8853"],"author_name":"bluerabbit","version":"1.0","provider_url":"https://hatena.blog","image_url":null,"blog_title":"\u3042\u304a\u3046\u3055\uff20\u65e5\u8a18","provider_name":"Hatena Blog","title":"appengine\u306fRead Committed\u76f8\u5f53\u3060\u304ccommit()\u306b\u306f2\u3064\u306e\u30de\u30a4\u30eb\u30b9\u30c8\u30fc\u30f3\u304c\u3042\u308b\u3053\u3068\u3092\u5fd8\u308c\u3066\u306f\u3044\u3051\u306a\u3044","blog_url":"https://bluerabbit.hatenablog.com/","description":"\u3053\u3053\u306b\u8a73\u3057\u304f\u66f8\u3044\u3066\u3042\u308b\u3053\u3068\u3092\u672c\u30a8\u30f3\u30c8\u30ea\u306f\u66f8\u3044\u3066\u3044\u308b\u3060\u3051\u3067\u3059\u304c\u3001\u91cd\u8981\u306a\u5185\u5bb9\u306a\u306e\u3067\u66f8\u3044\u3066\u304a\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002 appengine\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5206\u96e2\u30ec\u30d9\u30eb\u306fRead Committed\u3068\u307b\u307c\u540c\u7b49\u3067\u3059\u3002\u4e3b\u8981\u306aRDBMS\u306e\u4e00\u822c\u7684\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5206\u96e2\u30ec\u30d9\u30eb\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3061\u3087\u3063\u3068\u3057\u305f\u843d\u3068\u3057\u7a74\u304c\u3042\u308a\u307e\u3059\u3002 Read Committed\u3068\u306f SELECT\u6587\u306f\u554f\u3044\u5408\u308f\u305b\u304c\u958b\u59cb\u3055\u308c\u308b\u76f4\u524d\u307e\u3067\u306b\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u307f\u3067\u3001\u30b3\u30df\u30c3\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30fc\u30bf\u306f\u53c2\u7167\u3057\u306a\u3044\u3002 \u30b3\u30df\u30c3\u30c8\u524d\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u3093\u3060\u308a\u3057\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002\uff08\u30c0\u30fc\u30c6\u30a3\u30fc\u30ea\u30fc\u30c9\u306f\u3057\u306a\u3044\uff09 appengine\u306ecommit()\u306b\u306f2\u3064\u306e\u30de\u30a4\u30eb\u30b9\u30c8\u30fc\u30f3\u2026","width":"100%"}