NRQL有效
SELECT average(diskFreeBytes)/pow(2,30) as 'GB free' FROM StorageSample WHERE mountPoint='F:' and hostname = 'ABC' SINCE 24 hours AGO TIMESERIES
但我不能扣除太字节
SELECT (average(diskFreeBytes)/pow(2,30))-1000 as 'GB free' FROM StorageSample WHERE mountPoint='F:' and hostname = 'ABC' SINCE 24 hours AGO TIMESERIES
有谁能解释为什么它不起作用,并提供一个这样的例子。