WebSep 7, 2024 · boolean saveBatch (Collection entityList, int batchSize); 参数entityList为需要批量插入的数据的集合；参数batchSize为批处理大小，表示将传入的实体List分为每批batchSize个进行插入操作。 不传参时batchSize默认1000，部分旧版本mp默认30。 测试：每次插入10000条数据入表，表字段4个 ，主键自增，数据库表和模型类 … WebJun 14, 2024 · IService with mybatis-plus. The saveBatch method of the IService enables bulk insertion, which by default will be committed every 1000 records (non-transaction commit, e.g. 3700 records will be executed in 4 executeBatchs, but still in a transaction). Customize insertBatch to get the number of rows affected by the batch. mybatis-plus’s …
Service 保存数据 - MyBatis Plus 教程 - hxstrive
WebJan 13, 2024 · public interface IBaseService { T save(T entity) throws Exception; boolean saveBatch(Collection entityList); // TableId 注解存在更新记录，否插入一条记录 boolean saveOrUpdate(T entity); // 根据updateWrapper尝试更新，否继续执行saveOrUpdate(T)方法 boolean saveOrUpdate(T entity, Wrapper updateWrapper ... WebEven if it is 1500 batches inserted under the data volume of 1000 to w, it is impossible to consume 20 seconds, so the contradiction is transferred to the saveBatch method. Use Version: V3.4.3.4. View source code: public boolean saveBatch(Collection entityList, int batchSize) { String sqlStatement = this. getSqlStatement(SqlMethod. fehmarnbelt contractors cvr
Mybatis-Plus通过SQL注入器实现批量插入的实践-织梦云编程网
Web走到了ServiceImpl.saveBatch,最终走到了SqlHelper里面. public class ServiceImpl < M extends BaseMapper < T >, T > implements IService < T > { public boolean saveBatch (Collection < T > entityList, int batchSize) { //"com.bai.Mapper.insert" String sqlStatement = this. getSqlStatement (SqlMethod. WebDec 8, 2024 · 走到了ServiceImpl.saveBatch,最终走到了SqlHelper里面. public class ServiceImpl < M extends BaseMapper < T >, T > implements IService < T > {public … Webboolean saveBatch (Collection entityList, int batchSize); 参数说明： entity：实体对象 entityList：实体对象集合 batchSize：插入批次数量，即每一个批次最大插入的数量 示例代码 （1）保存单个实体到数据库，代码如下： 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 package … fehmarn bed and breakfast