promqlengine

package
v1.5.0 Latest Latest
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Published: Apr 7, 2022 License: Apache-2.0 Imports: 2 Imported by: 0

Documentation

Overview

Package promqlengine contains utilities for PromQL engine.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Cache

type Cache struct {
	// contains filtered or unexported fields
}

Cache caches PromQL engines by lookback duration.

func NewCache

func NewCache(defaultEngines map[time.Duration]*promql.Engine, newEngineFn NewEngineFn) *Cache

NewCache creates a new Cache.

func (*Cache) Get

func (c *Cache) Get(lookbackDelta time.Duration) (*promql.Engine, error)

Get returns a new or cached promql.Engine.

type NewEngineFn

type NewEngineFn func(lookbackDelta time.Duration) (*promql.Engine, error)

NewEngineFn is a function to create a new promql.Engine with given lookback duration.

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