{"type":"rich","image_url":null,"categories":["GCP"],"blog_url":"https://www.pospome.work/","version":"1.0","url":"https://www.pospome.work/entry/2017/03/15/204132","width":"100%","author_url":"https://blog.hatena.ne.jp/pospome/","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.pospome.work%2Fentry%2F2017%2F03%2F15%2F204132\" title=\"Datastore/Go \u306e Get(), GetMulti() \u3067\u6307\u5b9a\u3057\u305f key \u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u30a8\u30e9\u30fc\u306b\u306a\u308b - pospome\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\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","blog_title":"pospome\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u65e5\u8a18","author_name":"pospome","published":"2017-03-15 20:41:32","provider_name":"Hatena Blog","title":"Datastore/Go \u306e Get(), GetMulti() \u3067\u6307\u5b9a\u3057\u305f key \u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u30a8\u30e9\u30fc\u306b\u306a\u308b","description":"\u3061\u3087\u3063\u3068\u307e\u3068\u3081\u3066\u304a\u3053\u3046\u304b\u3068\u3002\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u3042\u3063\u305f\u3089\u30d6\u30ed\u30b0\u306e\u30b3\u30e1\u30f3\u30c8 or twitter \u3067\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002 (\u00b4\u30fb\u03c9\u30fb`)Datastore \u3067\u306f Get() \u306b\u6307\u5b9a\u3057\u305f key \u306e entity \u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3001 datastore.ErrNoSuchEntity \u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3002 \uff0a\u30c7\u30fc\u30bf\u304c\u5b58\u5728\u3057\u306a\u3044\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u306f\u3061\u3087\u3063\u3068\u30d3\u30c3\u30af\u30ea\u3057\u307e\u3057\u305f\u3002\u306a\u306e\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306f\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u306a\u3044\u3002 entity \u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f datastore.ErrNoSuchEntity \u304c\u767a\u751f\u3059\u308b\u306e\u3067\u3001 \u6700\u521d\u306e if err != nil \u3067\u5f15\u3063\u304b\u304b\u3063\u3066\u3057\u307e\u3046\u3002 if e\u2026"}