查询MySql数据库表中的时间字段datetime，且该字段有空值时，查询会报错

[youhua38tao]

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Dify version Dify版本

1.9.1

db_query or db_query_pre_auth

Database Query 数据库查询

Plugin version 插件版本

0.0.11

database and version 数据库及版本

MySql 8.0

Problem description 问题描述

当查询MySql数据库表中的时间字段datetime，且该字段有空值NULL时，查询会报错 RuntimeError, error details: Error executing SQL: NaTType does not support strftime。

初步排查应该是python对NaN数据转换时间时的报错，并且本地复现成功，问题代码

dify-plugin-tools-dbquery/db_query/tools/db_util.py

Line 91 in 40a422a

elif isinstance(value, datetime.date):

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🔗 Similar Issues

Possible Duplicates

• mysql-datetime时间类型字段转JSON错误 #44

Related Issues

• Error executing SQL: '\u003e=' not supported between instances of 'NoneType' and 'tuple' #42
• 端口为何不可以输入呢？ #45
• 连接Oracle数据库 12.2.0.1.0报错 #38

🔗 Related PRs

#55 - fix: timestamp type conversion bug [closed]

👤 Suggested Assignees

• ShaoFeng-Guo
• Jesean
• guowseu
• 2214527294bbb-coder
• junjiem

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