{"description":"\u30bd\u30fc\u30b9\u3092\u898b\u308b\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3057\u3066\u304b\u3089\u30ed\u30c3\u30af\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3001\u5225\u9014transaction\u3092\u547c\u3076\u5fc5\u8981\u306f\u306a\u3044\u3002 # File activerecord/lib/active_record/locking/pessimistic.rb, line 69 def with_lock(lock = true) transaction do lock!(lock) yield end end \u78ba\u304b\u306b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u3058\u3083\u306a\u3044\u3068\u30d6\u30ed\u30c3\u30af\u3068\u3068\u3082\u306b\u30ed\u30c3\u30af\u3059\u308b\u610f\u5473\u304c\u7121\u3044\u306e\u3067\u3001\u5f53\u305f\u308a\u524d\u3063\u3061\u3083\u3042\u5f53\u305f\u308a\u524d\u304b\u3002\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u3082\u66f8\u3044\u3066\u3042\u308b\u3057\u3002","image_url":null,"published":"2012-12-14 16:56:21","blog_url":"https://ikm.hatenablog.jp/","blog_title":"There's an echo in my head","author_url":"https://blog.hatena.ne.jp/a2ikm/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fikm.hatenablog.jp%2Fentry%2F2012%2F12%2F14%2F165621\" title=\"ActiveRecord\u306ewith_lock\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3082\u958b\u59cb\u3057\u3066\u304f\u308c\u308b - There&#39;s an echo in my head\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"ActiveRecord\u306ewith_lock\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3082\u958b\u59cb\u3057\u3066\u304f\u308c\u308b","categories":["activerecord"],"url":"https://ikm.hatenablog.jp/entry/2012/12/14/165621","width":"100%","type":"rich","height":"190","version":"1.0","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_name":"a2ikm"}