Struct ColumnarBatch 

pub struct ColumnarBatch { /* private fields */ }

Implementations

impl ColumnarBatch

pub fn try_new( schema: Arc<BindingSchema>, columns: Vec<Arc<ColumnVector>>, ) -> Result<Self>

pub fn row_count(&self) -> usize

pub fn selected_count(&self) -> usize

pub fn schema(&self) -> &BindingSchema

pub fn column(&self, slot: SlotId) -> Option<&Arc<ColumnVector>>

pub fn value_ref(&self, slot: SlotId, row: usize) -> Option<ValueRef<'_>>

pub fn selection(&self) -> &Selection

pub fn rows(&self) -> impl Iterator<Item = ColumnarRowRef<'_>>

pub fn with_selection(self, selection: Selection) -> Result<Self>

pub fn project(&self, slots: &[SlotId]) -> Result<Self>

pub fn filter_numeric( &self, slot: SlotId, predicate: NumericPredicate, expected: NumericLiteral, ) -> Result<Self>

pub fn filter_boolean(&self, slot: SlotId, expected: bool) -> Result<Self>

pub fn limit(&self, offset: usize, max_rows: usize) -> Self

pub fn count_selected(&self) -> usize

pub fn count_valid(&self, slot: SlotId) -> Result<usize>

pub fn sum_int64(&self, slot: SlotId) -> Result<Option<i64>>

pub fn estimated_memory_bytes(&self) -> usize

Trait Implementations

impl Clone for ColumnarBatch

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnarBatch

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

Formats the value using the given formatter.

impl PartialEq for ColumnarBatch

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ColumnarBatch