magmalake hashes

hashes · API

hashes.xxh64

XXH64 per https://github.com/Cyan4973/xxHash/blob/dev/doc/xxhash_spec.md.

Parquet split-block bloom filters hash column values with XXH64 seed 0.

Structs

Xxh64

struct Xxh64

Incremental XXH64. update may be called any number of times before finish.

Implements Copyable, Movable

Fields
seed: UInt64
total_len: UInt64
v1: UInt64
v2: UInt64
v3: UInt64
v4: UInt64
buf: List[UInt8]

__init__

def __init__(out self, seed: UInt64 = UInt64(0))

update

def update(mut self, data: Span[UInt8])

finish

def finish(self) -> UInt64

Functions

xxh64

def xxh64(data: Span[UInt8], seed: UInt64 = UInt64(0)) -> UInt64