Caused by: java.sql.BatchUpdateException: Duplicate entry '' for key 'index_code' at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:422) at com.mysql.cj.util.Util.handleNewInstance(Util.java:192) at com.mysql.cj.util.Util.getInstance(Util.java:167) at com.mysql.cj.util.Util.getInstance(Util.java:174) at com.mysql.cj.jdbc.exceptions.SQLError.createBatchUpdateException(SQLError.java:224) at com.mysql.cj.jdbc.ClientPreparedStatement.executeBatchSerially(ClientPreparedStatement.java:853) at com.mysql.cj.jdbc.ClientPreparedStatement.executeBatchInternal(ClientPreparedStatement.java:435) at com.mysql.cj.jdbc.StatementImpl.executeBatch(StatementImpl.java:796) at com.alibaba.druid.pool.DruidPooledPreparedStatement.executeBatch(DruidPooledPreparedStatement.java:565) at io.seata.rm.datasource.StatementProxy.lambda$executeBatch$9(StatementProxy.java:129) at io.seata.rm.datasource.exec.ExecuteTemplate.execute(ExecuteTemplate.java:73) at io.seata.rm.datasource.exec.ExecuteTemplate.execute(ExecuteTemplate.java:51) at io.seata.rm.datasource.StatementProxy.executeBatch(StatementProxy.java:129) at com.baomidou.mybatisplus.core.executor.MybatisBatchExecutor.doFlushStatements(MybatisBatchExecutor.java:133) at org.apache.ibatis.executor.baseExecutor.flushStatements(baseExecutor.java:129) at org.apache.ibatis.executor.baseExecutor.flushStatements(baseExecutor.java:122) at org.apache.ibatis.session.defaults.DefaultSqlSession.flushStatements(DefaultSqlSession.java:252) at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl.lambda$executeBatch$3(ServiceImpl.java:258) at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl.executeBatch(ServiceImpl.java:222)
以我这个为准
就是因为加了个唯一索引code
