{"categories":["DB","\u6280\u8853"],"blog_title":"\u304d\u308a\u4e38\u306e\u6280\u8853\u65e5\u8a18","width":"100%","description":"\u306f\u3058\u3081\u306b \u203b \u6982\u8981\u30ec\u30d9\u30eb\u306e\u89e3\u8aac\u3067\u3059\u3002\u8a73\u3057\u3044\u89e3\u8aac\u306b\u3064\u3044\u3066\u306f\u4ed6\u306e\u65b9\u306e\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u74b0\u5883 MySQL 8.0 UPSERT\u3068\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u554f\u984c UPSERT\u306f\u30c7\u30fc\u30bf\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306fUPDATE\u3001\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306fINSERT\u3092\u5b9f\u884c\u3059\u308b\u4fbf\u5229\u306a\u69cb\u6587\u3067\u3059\u3002\u7279\u306bORM\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u8907\u96d1\u306aSQL\u69cb\u6587\u3092\u610f\u8b58\u305b\u305a\u306b\u7c21\u5358\u306bUPSERT\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u6ce8\u610f\u3059\u3079\u304d\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u69cb\u6587\u306f\u30ed\u30c3\u30af\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u3001\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u304c\u767a\u751f\u3059\u308b\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002\u3088\u308a\u6b63\u78ba\u306b\u8a00\u3046\u3068\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5206\u96e2\u30ec\u30d9\u30eb\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001MySQL\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3042\u308bREPEATABLE READ\u3067\u306f\u7279\u306b\u591a\u304f\u306e\u30ed\u30c3\u30af\u3092\u53d6\u5f97\u3059\u308b\u2026","height":"190","type":"rich","author_url":"https://blog.hatena.ne.jp/nainaistar/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/nainaistar/20250721/20250721001415.png","provider_name":"Hatena Blog","author_name":"nainaistar","published":"2025-07-21 12:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnainaistar.hatenablog.com%2Fentry%2Fdont-use-upsert-in-mysql\" title=\"MySQL\u3067\u306fUPSERT\u3057\u306a\u3044\u3088\u3046\u306b\u8a2d\u8a08\u3059\u308b - \u304d\u308a\u4e38\u306e\u6280\u8853\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>","provider_url":"https://hatena.blog","version":"1.0","blog_url":"https://nainaistar.hatenablog.com/","title":"MySQL\u3067\u306fUPSERT\u3057\u306a\u3044\u3088\u3046\u306b\u8a2d\u8a08\u3059\u308b","url":"https://nainaistar.hatenablog.com/entry/dont-use-upsert-in-mysql"}