Struct datafusion::relations::limit::LimitRelation

pub struct LimitRelation { /* fields omitted */ }

Methods

impl LimitRelation

pub fn new(schema: Rc<Schema>, input: Box<SimpleRelation>, limit: usize) -> Self

Trait Implementations

impl SimpleRelation for LimitRelation

fn scan<'a>(&'a mut self) -> Box<Iterator<Item = Result<Rc<RecordBatch>>> + 'a>

scan all records in this relation

fn schema<'a>(&'a self) -> &'a Schema

get the schema for this relation