VictoriaMetrics/lib/metricsql/doc.go

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// Package metricsql implements MetricsQL parser.
//
// This parser can parse PromQL. Additionally it can parse MetricsQL extensions.
// See https://github.com/VictoriaMetrics/VictoriaMetrics/wiki/ExtendedPromQL for details about MetricsQL extensions.
//
// Usage:
//
// expr, err := metricsql.Parse(`sum(rate(foo{bar="baz"}[5m])) by (job)`)
// if err != nil {
// // parse error
// }
// // Now expr contains parsed MetricsQL as `*Expr` structs.
// // See metricsql.Parse examples for more details.
//
package metricsql