{"image_url":null,"published":"2014-12-05 06:38:02","blog_url":"https://y-yagi.hatenablog.com/","height":"190","url":"https://y-yagi.hatenablog.com/entry/2014/12/05/063802","categories":["ruby","rails"],"provider_name":"Hatena Blog","author_name":"y_yagi_2","provider_url":"https://hatena.blog","title":"rails commit log\u6d41\u3057\u8aad\u307f(2014/12/04)","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fy-yagi.hatenablog.com%2Fentry%2F2014%2F12%2F05%2F063802\" title=\"rails commit log\u6d41\u3057\u8aad\u307f(2014/12/04) - \u306a\u308b\u3088\u3046\u306b\u306a\u308b\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","width":"100%","description":"2014/12/04\u5206\u306e\u30b3\u30df\u30c3\u30c8\u3067\u3059\u3002 CHANGELOG\u306b\u306e\u3063\u305f\u30b3\u30df\u30c3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002 activerecord/CHANGELOG.md Failure to rollback t.timestamps when within a change_table migration document that .delete does work on #readonly? records. Closes #11860 activerecord/lib/active_record/persistence.rb\u306edoc\u306e\u4fee\u6b63\u3067\u3059\u3002 delete\u30e1\u30bd\u30c3\u30c9\u3067\u306freadonly?\u306e\u30c1\u30a7\u30c3\u30af\u306f\u884c\u308f\u306a\u3044\u65e8\u2026","blog_title":"\u306a\u308b\u3088\u3046\u306b\u306a\u308b\u30d6\u30ed\u30b0","author_url":"https://blog.hatena.ne.jp/y_yagi_2/"}