Function create_physical_exprs 

pub fn create_physical_exprs<'a, I>(
    exprs: I,
    input_dfschema: &DFSchema,
    execution_props: &ExecutionProps,
    planning_ctx: &PhysicalPlanningContext,
) -> Result<Vec<Arc<dyn PhysicalExpr>>>
where
    I: IntoIterator<Item = &'a Expr>,

Create vector of Physical Expression from a vector of logical expression

See create_physical_expr for details on the planning_ctx argument.