Struct datafusion_physical_plan::expressions::BinaryExpr

pub struct BinaryExpr { /* private fields */ }

Binary expression

Implementations

impl BinaryExpr

pub fn new( left: Arc<dyn PhysicalExpr>, op: Operator, right: Arc<dyn PhysicalExpr>, ) -> BinaryExpr

Create new binary expression

pub fn with_fail_on_overflow(self, fail_on_overflow: bool) -> BinaryExpr

Create new binary expression with explicit fail_on_overflow value

pub fn left(&self) -> &Arc<dyn PhysicalExpr>

Get the left side of the binary expression

pub fn right(&self) -> &Arc<dyn PhysicalExpr>

Get the right side of the binary expression

pub fn op(&self) -> &Operator

Get the operator for this binary expression

Trait Implementations

impl Clone for BinaryExpr

fn clone(&self) -> BinaryExpr

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for BinaryExpr

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

Formats the value using the given formatter.

impl Display for BinaryExpr

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

Formats the value using the given formatter.

impl Hash for BinaryExpr

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq<dyn Any> for BinaryExpr

fn eq(&self, other: &(dyn Any + 'static)) -> bool

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PhysicalExpr for BinaryExpr

fn as_any(&self) -> &(dyn Any + 'static)

Return a reference to Any that can be used for downcasting

fn get_properties( &self, children: &[ExprProperties], ) -> Result<ExprProperties, DataFusionError>

For each operator, BinaryExpr has distinct rules. TODO: There may be rules specific to some data types and expression ranges.

fn data_type(&self, input_schema: &Schema) -> Result<DataType, DataFusionError>

Get the data type of this expression, given the schema of the input

fn nullable(&self, input_schema: &Schema) -> Result<bool, DataFusionError>

Determine whether this expression is nullable, given the schema of the input

fn evaluate( &self, batch: &RecordBatch, ) -> Result<ColumnarValue, DataFusionError>

Evaluate an expression against a RecordBatch

fn children(&self) -> Vec<&Arc<dyn PhysicalExpr>>

Get a list of child PhysicalExpr that provide the input for this expr.

fn with_new_children( self: Arc<BinaryExpr>, children: Vec<Arc<dyn PhysicalExpr>>, ) -> Result<Arc<dyn PhysicalExpr>, DataFusionError>

Returns a new PhysicalExpr where all children were replaced by new exprs.

fn evaluate_bounds( &self, children: &[&Interval], ) -> Result<Interval, DataFusionError>

Computes the output interval for the expression, given the input intervals.

fn propagate_constraints( &self, interval: &Interval, children: &[&Interval], ) -> Result<Option<Vec<Interval>>, DataFusionError>

Updates bounds for child expressions, given a known interval for this expression.

fn dyn_hash(&self, state: &mut dyn Hasher)

Update the hash state with this expression requirements from Hash.

fn evaluate_selection( &self, batch: &RecordBatch, selection: &BooleanArray, ) -> Result<ColumnarValue, DataFusionError>

Evaluate an expression against a RecordBatch after first applying a validity array