func chunksEqual(c1, c2 chunk.Chunk) bool {
it1 := c1.NewIterator()
it2 := c2.NewIterator()
for it1.Scan() && it2.Scan() {
if !(it1.Value() == it2.Value()) {
return false
}
}
return it1.Err() == nil && it2.Err() == nil
}
func writeChunkHeader(header []byte, c chunk.Chunk) error {
header[chunkHeaderTypeOffset] = byte(c.Encoding())
binary.LittleEndian.PutUint64(
header[chunkHeaderFirstTimeOffset:],
uint64(c.FirstTime()),
)
lt, err := c.NewIterator().LastTimestamp()
if err != nil {
return err
}
binary.LittleEndian.PutUint64(
header[chunkHeaderLastTimeOffset:],
uint64(lt),
)
return nil
}