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【DM版本】:DM Database Server x64 V8
1-2-114-22.05.09-160333-10045-ENT
【操作系统】：# uname -a
Linux DMGRP1 4.19.90-23.8.v2101.ky10.x86_64 #1 SMP Mon May 17 17:08:34 CST 2021 x86_64 x86_64 x86_64 GNU/Linux

cat /etc/os-release

NAME="Kylin Linux Advanced Server"
VERSION="V10 (Tercel)"
ID="kylin"
VERSION_ID="V10"
PRETTY_NAME="Kylin Linux Advanced Server V10 (Tercel)"
ANSI_COLOR="0;31"

uname -r

4.19.90-23.8.v2101.ky10.x86_64
【CPU】:
【问题描述】：
在python3.7中，通过dmPython中的explain()方法获取执行计划时，报错：'ascii' codec can't decode byte 0xe6 in position 60: ordinal not in range(128)

SQL文本为： SELECT (select (CASE db.role$ WHEN 0 THEN '普通数据库' WHEN 1 THEN '主库' WHEN 2 THEN '备库' END CASE ) from v$database db) db_role,
(select (CASE dsc_role WHEN 'NULL' THEN '' ELSE dsc_role END CASE) from v$instance) AS dsc_role,
COUNT(*) dsc_node
FROM V$DSC_EP_INFO
WHERE EP_STATUS = 'OK'