Struct ArenaAllocator 

pub struct ArenaAllocator { /* private fields */ }

Arena allocator for query execution All allocations are freed together when the arena is dropped

Implementations

impl ArenaAllocator

pub fn new() -> Self

Create a new arena with default chunk size (1MB)

pub fn with_chunk_size(chunk_size: usize) -> Self

Create arena with specific chunk size

pub fn alloc<T>(&self) -> NonNull<T>

Allocate memory from the arena

pub fn alloc_layout(&self, layout: Layout) -> NonNull<u8>

Allocate with specific layout

pub fn reset(&self)

Reset arena (reuse existing chunks)

pub fn total_allocated(&self) -> usize

Get total allocated bytes across all chunks

Trait Implementations

impl Default for ArenaAllocator

fn default() -> Self

Returns the “default value” for a type.

impl Drop for ArenaAllocator

fn drop(&mut self)

Executes the destructor for this type.

impl Send for ArenaAllocator

impl Sync for ArenaAllocator