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These functions can be used for calculating Hoeffding bounds for `m` over `d` time range and for the given `phi` in the range `[0..1]`. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/283
65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
package metricsql
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import (
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"strings"
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)
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var rollupFuncs = map[string]bool{
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// Standard rollup funcs from PromQL.
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// See funcs accepting range-vector on https://prometheus.io/docs/prometheus/latest/querying/functions/ .
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"changes": true,
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"delta": true,
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"deriv": true,
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"deriv_fast": true,
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"holt_winters": true,
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"idelta": true,
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"increase": true,
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"irate": true,
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"predict_linear": true,
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"rate": true,
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"resets": true,
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"avg_over_time": true,
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"min_over_time": true,
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"max_over_time": true,
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"sum_over_time": true,
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"count_over_time": true,
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"quantile_over_time": true,
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"stddev_over_time": true,
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"stdvar_over_time": true,
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"absent_over_time": true,
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// Additional rollup funcs.
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"default_rollup": true,
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"sum2_over_time": true,
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"geomean_over_time": true,
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"first_over_time": true,
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"last_over_time": true,
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"distinct_over_time": true,
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"increases_over_time": true,
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"decreases_over_time": true,
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"integrate": true,
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"ideriv": true,
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"lifetime": true,
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"lag": true,
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"scrape_interval": true,
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"tmin_over_time": true,
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"tmax_over_time": true,
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"share_le_over_time": true,
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"share_gt_over_time": true,
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"histogram_over_time": true,
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"rollup": true,
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"rollup_rate": true,
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"rollup_deriv": true,
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"rollup_delta": true,
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"rollup_increase": true,
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"rollup_candlestick": true,
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"aggr_over_time": true,
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"hoeffding_bound_upper": true,
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"hoeffding_bound_lower": true,
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}
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// IsRollupFunc returns whether funcName is known rollup function.
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func IsRollupFunc(funcName string) bool {
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s := strings.ToLower(funcName)
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return rollupFuncs[s]
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}
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