database

type Config struct {
	Database string
	Workers  int
	Metrics  *DBMetrics
}

type DBMetrics struct {
	SpannerDuration map[string]prometheus.Histogram
	SpannerErrors   map[string]prometheus.Counter
	Samples         map[string]prometheus.Summary
}

type Database interface {
	Write(ctx context.Context, ts *TimeSeries) error
	Read(ctx context.Context, queries []*prompb.Query) (*prompb.ReadResponse, error)
	Close()
}

type Sample struct {
	TSID      model.Fingerprint
	Timestamp model.Time
	Value     model.SampleValue
}

type TimeSeries struct {
	Metrics []model.Metric
	Samples []*Sample
}