Struct Take 

pub struct Take { /* private fields */ }

A transform that takes the first N rows from a RecordBatch.

Example

use alimentar::Take;

let take = Take::new(100); // Take first 100 rows

Implementations

impl Take

pub fn new(count: usize) -> Self

Creates a Take transform that keeps the first count rows.

pub fn count(&self) -> usize

Returns the number of rows to take.

Trait Implementations

impl Clone for Take

fn clone(&self) -> Take

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Take

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

Formats the value using the given formatter.

impl Transform for Take

fn apply(&self, batch: RecordBatch) -> Result<RecordBatch>

Applies the transform to a RecordBatch.

impl Copy for Take