{"image_url":null,"published":"2015-08-15 05:05:04","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdiary.tmtms.net%2Fentry%2F2015%2F08%2F15%2F050504\" title=\"2015/08/14 - @tmtms\u306e\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>","version":"1.0","title":"2015/08/14","provider_url":"https://hatena.blog","height":"190","provider_name":"Hatena Blog","url":"https://diary.tmtms.net/entry/2015/08/15/050504","blog_url":"https://diary.tmtms.net/","type":"rich","width":"100%","blog_title":"@tmtms\u306e\u65e5\u8a18","author_name":"tmtms","categories":[],"author_url":"https://blog.hatena.ne.jp/tmtms/","description":"\u3046\u30fc\u3093\u3001REPEATABLE READ \u6271\u3044\u306b\u304f\u3044\u306a\u3041\u2026\u3002READ COMMITTED \u306e\u65b9\u304c\u3044\u3044\u306a\u3002\u2014 \u3068\u307f\u305f\u307e\u3055\u3072\u308d (@tmtms) 2015, 8\u6708 14 REPEATABLE READ \u306f\u3001SELECT \u3057\u3066\u898b\u3064\u304b\u3089\u306a\u3044 \u2192 INSERT \u3059\u308b\u3068 Duplicate entry \u2192 \u3082\u4e00\u5ea6 SELECT \u3057\u3066\u3082\u898b\u3064\u304b\u3089\u306a\u3044 \u2026 \u307f\u305f\u3044\u306b\u306a\u3063\u305f\u308a\u3059\u308b\u304b\u3089\u56f0\u308b\u2014 \u3068\u307f\u305f\u307e\u3055\u3072\u308d (@tmtms) 2015, 8\u6708 14 @koty \u63a5\u7d9a1 \u3067 BEGIN; SELECT \u3057\u3066\u7a7a\u304c\u8fd4\u3063\u3066\u304f\u308b\u72b6\u614b\u3067\u3001\u63a5\u7d9a2 \u3067 INSERT \u3057\u305f\u5f8c\u3001\u63a5\u7d9a1 \u3067 INSERT \u3059\u308b\u3068 Duplicate \u306b\u306a\u2026"}