Method FloatHistogramSamples

tsdb/record/record.go:704–714

FloatHistogramSamples appends float histogram samples in rec to the given slice.

(rec []byte, histograms []RefFloatHistogramSample)

// FloatHistogramSamples appends float histogram samples in rec to the given
// slice.
func (d *Decoder) FloatHistogramSamples(rec []byte, histograms []RefFloatHistogramSample) ([]RefFloatHistogramSample, error) {
	dec := encoding.Decbuf{B: rec}
	switch typ := Type(dec.Byte()); typ {
	case FloatHistogramSamples, CustomBucketsFloatHistogramSamples:
		return d.floatHistogramSamplesV1(&dec, histograms)
	case FloatHistogramSamplesV2:
		return d.floatHistogramSamplesV2(&dec, histograms)
	default:
		return nil, fmt.Errorf("invalid record type %v", typ)
	}
}

// floatHistogramSamplesV1 decodes V1 float-histogram records (BE64 baseRef/baseTime, varint deltas).
func (d *Decoder) floatHistogramSamplesV1(dec *encoding.Decbuf, histograms []RefFloatHistogramSample) ([]RefFloatHistogramSample, error) {