cloudflared/vendor/github.com/kshvakov/clickhouse/lib/binary/compress_settings.go
2019-08-20 13:13:29 -05:00

22 lines
451 B
Go

package binary
type CompressionMethodByte byte
const (
NONE CompressionMethodByte = 0x02
LZ4 = 0x82
ZSTD = 0x90
)
const (
// ChecksumSize is 128bits for cityhash102 checksum
ChecksumSize = 16
// CompressHeader magic + compressed_size + uncompressed_size
CompressHeaderSize = 1 + 4 + 4
// HeaderSize
HeaderSize = ChecksumSize + CompressHeaderSize
// BlockMaxSize 1MB
BlockMaxSize = 1 << 10
)