<小田吃饺子> Mysql:case when then end 的用法
SELECTCASE type WHEN '0' THEN '幼儿园' WHEN '1' THEN '一年级' WHEN '2' THEN '二年级' WHEN '3' THEN '三年级' WHEN '4' THEN '四年级' WHEN '5' THEN '五年级' WHEN '6' THEN '六年级' WHEN '7' THEN '七年级' WHEN '8' THEN '八年级' WHEN '9' THEN '九年级' END AS TYPE,
CASE state WHEN '0' THEN '待审核' WHEN '1' THEN '审核通过' WHEN '2' THEN '未通过审核' END AS STATE
FROM test_when_case;
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