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5 支持的函数

点击相应的函数组以查看更多详细信息。

函数组 函数
聚合函数 avg, bucket_percentile, count, histogram_quantile, item_count, kurtosis, mad, max, min, skewness, stddevpop, stddevsamp, sum, sumofsquares, varpop, varsamp
Foreach 函数 avg_foreach, bucket_rate_foreach, count_foreach, exists_foreach, last_foreach, max_foreach, min_foreach, sum_foreach
位运算函数 bitand, bitlshift, bitnot, bitor, bitrshift, bitxor
日期和时间函数 date, dayofmonth, dayofweek, now, time
历史数据函数 change, changecount, count, countunique, find, first, firstclock, fuzzytime, last, lastclock, logeventid, logseverity, logsource, logtimestamp, monodec, monoinc, nodata, percentile, rate
趋势函数 baselinedev, baselinewma, trendavg, trendcount, trendmax, trendmin, trendstl, trendsum
数学函数 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
运算符函数 between, in
预测函数 forecast, timeleft
字符串函数 ascii, bitlength, bytelength, char, concat, insert, jsonpath, left, length, ltrim, mid, repeat, replace, right, rtrim, trim, xmlxpath

除非另有说明，这些函数支持以下场景：

Foreach 函数仅支持 聚合计算。