Method expr

datafusion/physical-plan/src/projection.rs:166–168

The projection expressions stored as tuples of (expression, output column name)

(&self)

    /// The projection expressions stored as tuples of (expression, output column name)
    pub fn expr(&self) -> &[ProjectionExpr] {
        self.projector.projection().as_ref()
    }

    /// The projection expressions as a [`ProjectionExprs`].
    pub fn projection_expr(&self) -> &ProjectionExprs {