Function pgrx_pg_sys::make_opclause

pub unsafe fn make_opclause(
    arg_opno: Oid,
    arg_opresulttype: Oid,
    arg_opretset: bool,
    arg_leftop: *mut Expr,
    arg_rightop: *mut Expr,
    arg_opcollid: Oid,
    arg_inputcollid: Oid
) -> *mut Expr