Table of Contents
5 支持函数
点击相应函数组查看详细信息.
| 函数组 | 函数 | |
|---|---|---|
| Aggregate functions | avg, bucket_percentile, count, histogram_quantile, 监控项_count, kurtosis, mad, max, min, skewness, stddevpop, stddevsamp, sum, sumofsquares, varpop, varsamp | |
| Foreach functions | avg_foreach, bucket_rate_foreach, count_foreach, exists_foreach, last_foreach, max_foreach, min_foreach, sum_foreach | |
| Bitwise functions | bitand, bitlshift, bitnot, bitor, bitrshift, bitxor | |
| Date and time functions | date, dayofmonth, dayofweek, now, time | |
| History functions | change, changecount, count, countunique, find, first, fuzzytime, last, logeventid, logseverity, logsource, monodec, monoinc, nodata, percentile, rate | |
| Trend functions | baselinedev, baselinewma, trendavg, trendcount, trendmax, trendmin, trendstl, trendsum | |
| Mathematical functions | abs, acos, asin, atan, atan2, avg, cbrt, ceil, cos, cosh, cot, degrees, e, exp, expm1, floor, log, log10, max, min, mod, pi, power, radians, rand, round, signum, sin, sinh, sqrt, sum, tan, truncate | |
| Operator functions | between, in | |
| Prediction functions | forecast, timeleft | |
| String functions | ascii, bitlength, bytelength, char, concat, insert, left, length, ltrim, mid, repeat, replace, right, rtrim, trim | |
这些函数在trigger expressions和calculated items中受支持.
Foreach函数仅支持aggregate calculations.