Method NewIterator

pkg/chunk/chunk.go:30–42

(iterator Iterator)

}

func (c *Chunk) NewIterator(iterator Iterator) Iterator {
	if c.Data == nil {
		return errorIterator("Prometheus chunk is not set")
	}

	if pit, ok := iterator.(*prometheusChunkIterator); ok {
		pit.c = c.Data
		pit.it = c.Data.Iterator(pit.it)
		return pit
	}

	return &prometheusChunkIterator{c: c.Data, it: c.Data.Iterator(nil)}
}

type prometheusChunkIterator struct {
	c  chunkenc.Chunk // we need chunk, because FindAtOrAfter needs to start with fresh iterator.