Struct datafusion::physical_plan::expressions::IsNotNullExpr

pub struct IsNotNullExpr { /* private fields */ }

IS NOT NULL expression

Implementations

impl IsNotNullExpr

pub fn new(arg: Arc<dyn PhysicalExpr + 'static>) -> IsNotNullExpr

Create new not expression

pub fn arg(&self) -> &Arc<dyn PhysicalExpr + 'static>

Get the input expression

Trait Implementations

impl Debug for IsNotNullExpr

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

Formats the value using the given formatter.

impl Display for IsNotNullExpr

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

Formats the value using the given formatter.

impl PhysicalExpr for IsNotNullExpr

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

Return a reference to Any that can be used for downcasting

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

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