// for jdbc
alter session set limits.single_field_size_bytes = 99000;
// for system
alter system set limits.single_field_size_bytes = 99000;
https://community.dremio.com/t/how-to-handle-dremio-limit-32000-bytes-of-a-field/6315/7
原文：https://www.cnblogs.com/rongfengliang/p/15054310.html