来源:自学PHP网 时间:2015-04-16 10:50 作者: 阅读:次
[导读] 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` = 39;downClick 39; THEN a uv END AS downClick,CASE WHEN a `event` = 39;successClic...
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 |
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