{"type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhokaccha.hatenablog.com%2Fentry%2F20110712%2F1310437051\" title=\"mongoose\u3067unique\u306b\u3057\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u5909\u66f4\u3059\u308b\u3068\u304d\u306b\u6ce8\u610f\u3059\u308b\u3053\u3068 - hokaccha memo\" 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","blog_url":"https://hokaccha.hatenablog.com/","width":"100%","description":"unique\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u540d\u524d\u5909\u66f4\u3057\u305f\u308a\u3001\u305d\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u524a\u9664\u3057\u305f\u308a\u3059\u308b\u3068\u3001Mongo\u5074\u306bunique\u306aindex\u304c\u5f35\u3089\u308c\u3066\u305f\u306e\u306f\u6b8b\u308b\u306e\u3067\u3001save\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001 E11000 duplicate key error index: mydb.myCollection.$field_1 dup key: { : null }\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u30a8\u30e9\u308b\u3002index\u6d88\u305b\u3070\u3044\u3044\u3051\u3069\u3001\u6bce\u56de\u624b\u3067\u3084\u308b\u306e\u9762\u5012\u3002\u3044\u3044\u65b9\u6cd5\u306a\u3044\u304b\u306a\u3002","categories":["Node.js","mongodb"],"author_name":"hokaccha","title":"mongoose\u3067unique\u306b\u3057\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u5909\u66f4\u3059\u308b\u3068\u304d\u306b\u6ce8\u610f\u3059\u308b\u3053\u3068","published":"2011-07-12 11:17:31","blog_title":"hokaccha memo","height":"190","url":"https://hokaccha.hatenablog.com/entry/20110712/1310437051","image_url":null,"author_url":"https://blog.hatena.ne.jp/hokaccha/","provider_name":"Hatena Blog","version":"1.0"}