{"published":"2025-12-11 18:10:39","version":"1.0","blog_url":"https://www.utakata.work/","provider_name":"Hatena Blog","url":"https://www.utakata.work/entry/mysql/alter-table-text-default","author_name":"yoshiki_utakata","height":"190","provider_url":"https://hatena.blog","image_url":null,"blog_title":"\u732b\u3067\u3082\u308f\u304b\u308bWeb\u958b\u767a\u30fb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","title":"MySQL \u3067 TEXT \u306b DEFAULT \u3092\u8a2d\u5b9a\u3059\u308b","type":"rich","categories":["MySQL","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30fb\u958b\u767a","\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.utakata.work%2Fentry%2Fmysql%2Falter-table-text-default\" title=\"MySQL \u3067 TEXT \u306b DEFAULT \u3092\u8a2d\u5b9a\u3059\u308b - \u732b\u3067\u3082\u308f\u304b\u308bWeb\u958b\u767a\u30fb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"MySQL 8.4 \u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306e\u306a ALTER TABLE \u3092\u66f8\u3044\u305f\u3089\u30a8\u30e9\u30fc\u306b\u306a\u3063\u305f\uff08CREATE TABLE \u3067\u3082\u540c\u3058\u306f\u305a\uff09\u3002 ALTER TABLE user ADD COLUMN description TEXT NOT NULL DEFAULT '', \u30a8\u30e9\u30fc\u5185\u5bb9 (sql-migrate \u3068\u3044\u3046 Go \u88fd\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066 ALTER \u3057\u3088\u3046\u3068\u3057\u305f\u6642\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8) Error 1101 (42000): BLOB, TEXT, GEOMETRY or JSON column 'description' can't have a default value handling \u6b63\u2026","author_url":"https://blog.hatena.ne.jp/yoshiki_utakata/","width":"100%"}