mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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7b1c7051a3
This is implementation of https://github.com/prometheus/prometheus/pull/1533 for VictoriaMetrics.
89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
package metricsql
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import (
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"strings"
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)
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var transformFuncs = map[string]bool{
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// Standard promql funcs
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// See funcs accepting instant-vector on https://prometheus.io/docs/prometheus/latest/querying/functions/ .
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"abs": true,
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"absent": true,
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"ceil": true,
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"clamp_max": true,
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"clamp_min": true,
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"day_of_month": true,
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"day_of_week": true,
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"days_in_month": true,
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"exp": true,
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"floor": true,
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"histogram_quantile": true,
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"hour": true,
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"label_join": true,
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"label_replace": true,
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"ln": true,
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"log2": true,
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"log10": true,
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"minute": true,
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"month": true,
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"round": true,
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"scalar": true,
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"sort": true,
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"sort_desc": true,
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"sqrt": true,
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"time": true,
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"timestamp": true,
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"vector": true,
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"year": true,
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// New funcs from MetricsQL
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"label_set": true,
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"label_del": true,
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"label_keep": true,
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"label_copy": true,
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"label_move": true,
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"label_transform": true,
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"label_value": true,
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"label_match": true,
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"label_mismatch": true,
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"union": true,
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"": true, // empty func is a synonim to union
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"keep_last_value": true,
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"keep_next_value": true,
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"start": true,
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"end": true,
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"step": true,
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"running_sum": true,
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"running_max": true,
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"running_min": true,
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"running_avg": true,
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"range_sum": true,
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"range_max": true,
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"range_min": true,
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"range_avg": true,
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"range_first": true,
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"range_last": true,
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"range_quantile": true,
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"smooth_exponential": true,
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"remove_resets": true,
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"rand": true,
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"rand_normal": true,
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"rand_exponential": true,
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"pi": true,
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"sin": true,
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"cos": true,
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"asin": true,
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"acos": true,
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"prometheus_buckets": true,
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"histogram_share": true,
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"sort_by_label": true,
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"sort_by_label_desc": true,
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}
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// IsTransformFunc returns whether funcName is known transform function.
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func IsTransformFunc(funcName string) bool {
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s := strings.ToLower(funcName)
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return transformFuncs[s]
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}
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