Function datafusion::physical_expr::utils::build_dag

source ยท 
pub fn build_dag<T, F>(
    expr: Arc<dyn PhysicalExpr>,
    constructor: &F
) -> Result<(NodeIndex, StableGraph<T, usize>), DataFusionError>
where
    F: Fn(&ExprContext<Option<NodeIndex>>) -> Result<T, DataFusionError>,