一、问题描述
python程序中执行SQL语句时报错如下:columns = [col_desc[0] for col_desc in cursor.description]
TypeError: 'NoneType' object is not iterable
二、解决方案
根据报错提示找到python目录下的sql.py文件,将
columns = [col_desc[0] for col_desc in cursor.description]
修改为:
if not cursor.description: columns = [] else: columns = [col_desc[0] for col_desc in cursor.description]
文件路径:
问题解决。