{"description":"putConnDBLocked\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u4e2d\u3067\u3084\u3063\u3066\u3044\u305f \u3053\u3053\u3067db.freeCon\u306bappend\u3057\u3066\u3044\u308b } else if err == nil && !db.closed { if db.maxIdleConnsLocked() > len(db.freeConn) { db.freeConn = append(db.freeConn, dc) db.startCleanerLocked() return true } \u53c2\u7167 https://golang.org/pkg/database/sql/","provider_name":"Hatena Blog","width":"100%","version":"1.0","height":"190","published":"2019-03-04 16:35:54","author_url":"https://blog.hatena.ne.jp/hiroyukim/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhiroyukim.hatenablog.com%2Fentry%2F2019%2F03%2F04%2F163554\" title=\"go\u306esql\u306b\u3042\u308bfreeConn\u306b\u3069\u3053\u3067\u8ffd\u52a0\u3057\u3066\u308b\u304b\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u8abf\u3079\u305f - \u96d1\u306a\u30e1\u30e2\u66f8\u304d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","url":"https://hiroyukim.hatenablog.com/entry/2019/03/04/163554","provider_url":"https://hatena.blog","blog_title":"\u96d1\u306a\u30e1\u30e2\u66f8\u304d","categories":[],"image_url":null,"blog_url":"https://hiroyukim.hatenablog.com/","title":"go\u306esql\u306b\u3042\u308bfreeConn\u306b\u3069\u3053\u3067\u8ffd\u52a0\u3057\u3066\u308b\u304b\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u8abf\u3079\u305f","author_name":"hiroyukim"}