Function pgrx_pg_sys::build_expression_pathkey

pub unsafe fn build_expression_pathkey(
    arg_root: *mut PlannerInfo,
    arg_expr: *mut Expr,
    arg_nullable_relids: Relids,
    arg_opno: Oid,
    arg_rel: Relids,
    arg_create_it: bool
) -> *mut List