Error executing SQL: '\u003e=' not supported between instances of 'NoneType' and 'tuple'

[Jesean]

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Dify version Dify版本

1.7.1

db_query or db_query_pre_auth

Database Query 数据库查询

Plugin version 插件版本

0.0.9

database and version 数据库及版本

oceanbase

Problem description 问题描述

执行sql报错 Failed to transform tool message: PluginInvokeError: {"args":{},"error_type":"RuntimeError","message":"Error executing SQL: '\u003e=' not supported between instances of 'NoneType' and 'tuple'"}