Method new

datafusion/physical-expr/src/projection.rs:84–87

Create a new projection expression

(expr: Arc<dyn PhysicalExpr>, alias: impl Into<String>)

impl ProjectionExpr {
    /// Create a new projection expression
    pub fn new(expr: Arc<dyn PhysicalExpr>, alias: impl Into<String>) -> Self {
        let alias = alias.into();
        Self { expr, alias }
    }

    /// Create a new projection expression from an expression and a schema using the expression's output field name as alias.
    pub fn new_from_expression(