项目场景：

项目使用了mybatis-plus进行数据库操作

问题描述

例如：后端无法插入数据，控制台输出如下信息

org.springframework.jdbc.BadSqlGrammarException:
### Error updating database.  Cause: java.sql.SQLSyntaxErrorException: Unknown column 'experience_openness' in 'field list'
### The error may exist in com/woniu/mapper/PersonalityHandledMapper.java (best guess)
### The error may involve com.woniu.mapper.PersonalityHandledMapper.insert-Inline
### The error occurred while setting parameters
### SQL: INSERT INTO personality_handled  ( extraversion, agreeableness, seriousness, neuroticism, experience_openness )  VALUES  ( ?, ?, ?, ?, ? )
### Cause: java.sql.SQLSyntaxErrorException: Unknown column 'experience_openness' in 'field list'
; bad SQL grammar []; nested exception is java.sql.SQLSyntaxErrorException: Unknown column 'experience_openness' in 'field list'at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:74)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:64)at com.sun.proxy.$Proxy106.update(Unknown Source)at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:50)at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117)at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49)at com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor.intercept(MybatisPlusInterceptor.java:106)at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:62)at com.sun.proxy.$Proxy105.update(Unknown Source)at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:194)at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:181)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:427)... 81 more

原因分析：

数据库中的字段使用了小驼峰命名法，因此在JAVA代码中也使用了小驼峰命名法，但是没因为mybatis-plus会自动识别小驼峰命名法的属性在数据库中的字段名是experienceo_openness的形式因此导致了错误。

解决方案：

数据库中的字段名改为experienceo_openness的形式或者JAVA的属性名改成全小写。

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Error updating database. Cause: java.sql.SQLSyntaxErrorException: Unknown column ‘experience_openne

项目场景：

问题描述

原因分析：

解决方案：

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