mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-15 16:30:55 +01:00
a7fdc3fcc7
This commit adds ability to select series matching distinct filters via a single series selector.
For example, the following selector selects series with either {env="prod",job="a"}
or {env="dev",job="b"} labels:
{env="prod",job="a" or env="dev",job="b"}
The `or` filter is supported in all the VictoriaMetrics tools now.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3997
Uses https://github.com/VictoriaMetrics/metricsql/pull/14
43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package promql
|
|
|
|
import (
|
|
"github.com/VictoriaMetrics/metricsql"
|
|
)
|
|
|
|
// IsRollup verifies whether s is a rollup with non-empty window.
|
|
//
|
|
// It returns the wrapped query with the corresponding window, step and offset.
|
|
func IsRollup(s string) (childQuery string, window, step, offset *metricsql.DurationExpr) {
|
|
expr, err := parsePromQLWithCache(s)
|
|
if err != nil {
|
|
return
|
|
}
|
|
re, ok := expr.(*metricsql.RollupExpr)
|
|
if !ok || re.Window == nil {
|
|
return
|
|
}
|
|
wrappedQuery := re.Expr.AppendString(nil)
|
|
return string(wrappedQuery), re.Window, re.Step, re.Offset
|
|
}
|
|
|
|
// IsMetricSelectorWithRollup verifies whether s contains PromQL metric selector
|
|
// wrapped into rollup.
|
|
//
|
|
// It returns the wrapped query with the corresponding window with offset.
|
|
func IsMetricSelectorWithRollup(s string) (childQuery string, window, offset *metricsql.DurationExpr) {
|
|
expr, err := parsePromQLWithCache(s)
|
|
if err != nil {
|
|
return
|
|
}
|
|
re, ok := expr.(*metricsql.RollupExpr)
|
|
if !ok || re.Window == nil || re.Step != nil {
|
|
return
|
|
}
|
|
me, ok := re.Expr.(*metricsql.MetricExpr)
|
|
if !ok || len(me.LabelFilterss) == 0 {
|
|
return
|
|
}
|
|
wrappedQuery := me.AppendString(nil)
|
|
return string(wrappedQuery), re.Window, re.Offset
|
|
}
|