https://genesis-aka.net/language/japanese/japanese-it-global/2022/06/22/mysql-heatwave%e3%81%ae%e3%82%b5%e3%83%bc%e3%83%93%e3%82%b9%e6%a6%82%e7%95%a5-%e3%83%bc%e5%85%a8%e4%bd%93%e5%83%8f%e3%82%92%e7%90%86%e8%a7%a3%e3%81%97%e3%82%88%e3%81%86/