mysql 结果集合切换
时间：2022-03-14 01:02
结果集A:
转换成为结果集B:
mysql中实现如下:
SELECT a.biz_date, CASE WHEN a.`event` = 'downClick' THEN a.uv END AS downClick, CASE WHEN a.`event` = 'successClick' THEN a.uv END AS successClick, CASE WHEN a.`event` = 'installSuccess' THEN a.uv END AS installSuccess from a
