Struct KeyBuffer 

pub struct KeyBuffer { /* private fields */ }

Fixed-size key buffer - NO HEAP ALLOCATION

Maximum key: 63 bytes (cache line - length byte) Format: [len: u8][data: 63 bytes]

Cache-line aligned for optimal access

Implementations

impl KeyBuffer

pub const fn new() -> Self

Create empty buffer

pub fn format_row_key(table: &str, row_id: u64) -> Self

Format “table/row_id” key - ZERO ALLOCATION

Arguments

• table - Table name
• row_id - Row identifier

Returns

A stack-allocated key buffer

pub fn format_column_key(table: &str, row_id: u64, column: &str) -> Self

Format “table/row_id/column” key - ZERO ALLOCATION

pub fn append(&mut self, bytes: &[u8])

Append a byte slice

pub fn push(&mut self, byte: u8)

Append a single byte

pub fn as_bytes(&self) -> &[u8]

Get key as bytes

pub fn len(&self) -> usize

Get length

pub fn is_empty(&self) -> bool

Check if empty

pub fn clear(&mut self)

Clear the buffer

pub fn remaining(&self) -> usize

Get remaining capacity

Trait Implementations

impl AsRef<[u8]> for KeyBuffer

fn as_ref(&self) -> &[u8]

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for KeyBuffer

fn clone(&self) -> KeyBuffer

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for KeyBuffer

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for KeyBuffer

fn default() -> Self

Returns the “default value” for a type.