Method ordered_column_indices

datafusion/physical-expr/src/projection.rs:432–442

(&self)

        note = "Use column_indices() instead. This method will be removed in 58.0.0 or 6 months after 52.0.0 is released, whichever comes first."
    )]
    pub fn ordered_column_indices(&self) -> Vec<usize> {
        self.exprs
            .iter()
            .map(|e| {
                e.expr
                    .downcast_ref::<Column>()
                    .expect("Expected column reference in projection")
                    .index()
            })
            .collect()
    }

    /// Project a schema according to this projection.
    ///