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mybatis-plus的insert方法-id' doesn'

mybatis-plus的insert方法-id' doesn'

作者: 依然慢节奏 | 来源:发表于2019-08-06 23:24 被阅读0次

    一、bug信息

    ### Cause: java.sql.SQLException: Field 'id' doesn't have a default value
        at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:200)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:185)
        ... 12 common frames omitted
    Caused by: java.sql.SQLException: Field 'id' doesn't have a default value
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3973)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3909)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2527)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2680)
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2484)
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1858)
        at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1197)
        at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3409)
        at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_execute(FilterEventAdapter.java:440)
        at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3407)
        at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.execute(PreparedStatementProxyImpl.java:167)
        at com.alibaba.druid.pool.DruidPooledPreparedStatement.execute(DruidPooledPreparedStatement.java:498)
        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.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:59)
        at com.sun.proxy.$Proxy149.execute(Unknown Source)
        at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:46)
        at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:74)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63)
        at com.sun.proxy.$Proxy147.update(Unknown Source)
        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.plugins.PerformanceInterceptor.intercept(PerformanceInterceptor.java:140)
        at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)
        at com.sun.proxy.$Proxy147.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.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:198)
        ... 13 common frames omitted
    

    二、解决方案

    mybatis-plus的insert方法,底层会默认生成一个Long类型的UUID,如果和数据库里面类型不一致会导致错误,解决方案是将默认自增的主键给禁了;

       /**
         * 实体编号(唯一标识)
         */
    
        @TableId(value = "id",type = IdType.INPUT)
        private String id;
    

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