Function pgx_pg_sys::heap_modify_tuple_by_cols

pub unsafe fn heap_modify_tuple_by_cols(
    arg_tuple: HeapTuple, 
    arg_tupleDesc: TupleDesc, 
    arg_nCols: c_int, 
    arg_replCols: *mut c_int, 
    arg_replValues: *mut Datum, 
    arg_replIsnull: *mut bool
) -> HeapTuple