{"blog_url":"https://ema-hiro.hatenablog.com/","height":"190","author_name":"ema_hiro","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fema-hiro.hatenablog.com%2Fentry%2F2026%2F02%2F15%2F234658\" title=\"sql.NullXXX \u3092 sql.Null[XXX] \u306b\u79fb\u884c\u3057\u305f\u3089 JSON \u306e\u4e0b\u4f4d\u4e92\u63db\u304c\u58ca\u308c\u305f\u8a71 - emahiro/b.log\" 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","author_url":"https://blog.hatena.ne.jp/ema_hiro/","version":"1.0","title":"sql.NullXXX \u3092 sql.Null[XXX] \u306b\u79fb\u884c\u3057\u305f\u3089 JSON \u306e\u4e0b\u4f4d\u4e92\u63db\u304c\u58ca\u308c\u305f\u8a71","blog_title":"emahiro/b.log","width":"100%","description":"Overview \u4f55\u304c\u8d77\u304d\u305f\u304b \u65e7: sql.NullString \u65b0: sql.Null[string] \u5177\u4f53\u7684\u306b\u3069\u3046\u58ca\u308c\u305f\u304b \u518d\u73fe\u30b3\u30fc\u30c9 \u306a\u305c\u6c17\u3065\u304d\u306b\u304f\u3044\u304b \u5bfe\u7b56 1. \u30ab\u30b9\u30bf\u30e0 JSON \u30bf\u30b0\u3067\u4e92\u63db\u6027\u3092\u7dad\u6301\u3059\u308b 2. \u305d\u3082\u305d\u3082 sql.Null \u3092 JSON \u306b\u5165\u308c\u306a\u3044 3. \u79fb\u884c\u6642\u306b\u30c7\u30fc\u30bf\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u631f\u3080 \u307e\u3068\u3081 Overview Go 1.22 \u3067\u8ffd\u52a0\u3055\u308c\u305f sql.Null[T] \u306b\u65e2\u5b58\u306e sql.NullString \u7b49\u3092\u7f6e\u304d\u63db\u3048\u305f\u3068\u3053\u308d\u3001DB \u5c64\u306e\u64cd\u4f5c\u306f\u554f\u984c\u306a\u304f\u52d5\u304f\u306e\u306b JSON \u306e\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba/\u30c7\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3067\u4e0b\u4f4d\u4e92\u63db\u304c\u58ca\u308c\u308b \u3068\u3044\u3046\u4e8b\u8c61\u306b\u906d\u9047\u3057\u305f\u3002 \u539f\u56e0\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u2026","image_url":null,"provider_name":"Hatena Blog","categories":["Go"],"published":"2026-02-15 23:46:58","type":"rich","url":"https://ema-hiro.hatenablog.com/entry/2026/02/15/234658"}