Enum ChunkSize 

pub enum ChunkSize {
    Fixed(usize),
    Adaptive,
    Custom(fn(u64) -> usize),
}

Variants

Fixed(usize)

Fixed chunk size in rows

Adaptive

Adaptive based on available memory

Custom(fn(u64) -> usize)

Custom sizing function - cannot derive Debug/Clone with function pointer

Implementations

impl ChunkSize

pub fn calculate(&self, file_size_bytes: u64) -> usize

Calculate optimal chunk size based on available memory and file size

Trait Implementations

impl Clone for ChunkSize

fn clone(&self) -> ChunkSize

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChunkSize

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

Formats the value using the given formatter.

impl Default for ChunkSize

fn default() -> ChunkSize

Returns the “default value” for a type.