Trait datafusion::exec::Batch

pub trait Batch {
    fn col_count(&self) -> usize;
    fn row_count(&self) -> usize;
    fn column(&self, index: usize) -> &Rc<Value>;
    fn row_slice(&self, index: usize) -> Vec<ScalarValue>;
}

Required Methods

fn col_count(&self) -> usize

fn row_count(&self) -> usize

fn column(&self, index: usize) -> &Rc<Value>

fn row_slice(&self, index: usize) -> Vec<ScalarValue>

copy values into a row (EXPENSIVE)

Implementors

• impl Batch for ColumnBatch