query

Documentation

Overview

Package query defines the QueryRunner interface for running bigquery queries and converting the results into a set of key/value labels and a single float64 value suitable for converting into a prometheus.Metric.

Index

• type BQRunner
  • func NewBQRunner(client *bigquery.Client) *BQRunner
  • func (qr *BQRunner) Query(query string) ([]sql.Metric, error)

Types

type BQRunner

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

BQRunner is a concerete implementation of QueryRunner for BigQuery.

func NewBQRunner

func NewBQRunner(client *bigquery.Client) *BQRunner

NewBQRunner creates a new QueryRunner instance.

func (*BQRunner) Query

func (qr *BQRunner) Query(query string) ([]sql.Metric, error)

Query executes the given query. Query only supports standard SQL. The query must define a column named "value" for the value, and may define additional columns, all of which are used as metric labels.