COUNT(if(TaskExecState='已完成' AND TaskFinishTime>BACK,TRUE,NULL))as FinishInTime,
COUNT(if(TaskExecState='已完成' AND TaskFinishTime<BACK,TRUE,NULL))as FinishOutTime,
COUNT(if(TaskExecState='未完成' AND TaskFinishTime<now(),TRUE,NULL))as UnfinishOutTime,
COUNT(if(TaskExecState='未完成' AND TaskFinishTime>now() AND DATEDIFF(TaskFinishTime,now())<7,TRUE,NULL))as CloseFinishTime,
COUNT(if(TaskExecState='未完成' AND TaskFinishTime>now() AND DATEDIFF(TaskFinishTime,now())>7,TRUE,NULL))as Ongoing,
COUNT(*)as total,
COUNT(if(TaskExecState='已完成' AND TaskFinishTime<BACK,TRUE,NULL))as FinishOutTime,
COUNT(if(TaskExecState='未完成' AND TaskFinishTime<now(),TRUE,NULL))as UnfinishOutTime,
COUNT(if(TaskExecState='未完成' AND TaskFinishTime>now() AND DATEDIFF(TaskFinishTime,now())<7,TRUE,NULL))as CloseFinishTime,
COUNT(if(TaskExecState='未完成' AND TaskFinishTime>now() AND DATEDIFF(TaskFinishTime,now())>7,TRUE,NULL))as Ongoing,
COUNT(*)as total,
COUNT(if(TaskExecState='已完成' AND TaskFinishTime>BACK,TRUE,NULL))/COUNT(*) as percent
IF() 函数就是一个简单的判断器,它会判断第一个参数是否成立,如果是 True,就会返回第二个表达式的值,如果是 False,会返回第三个表达式的值;
本文介绍了一种使用条件计数的方法来统计任务的状态,包括按时完成、延期完成、逾期未完成等,并计算了任务完成的百分比。
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