Table of Contents

5 支持函数

单击相应的函数组以查看更多详细信息。

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, jsonpath, left, length, ltrim, mid, repeat, replace, right, rtrim, trim, xmlxpath

这些函数在 trigger expressionscalculated items 中受支持。

Foreach 函数仅在 aggregate calculations 中受支持。