mirror of
https://gitee.com/mybatis-flex/mybatis-flex.git
synced 2025-12-06 16:48:24 +08:00
@RelationOneToMany和@RelationManyToMany的实现存在严重的性能问题。内存join算法的复杂度高达n^2 测试sql脚本init中设置编码格式避免中文乱码
49 lines
1.7 KiB
Java
49 lines
1.7 KiB
Java
/*
|
|
* Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
|
|
* <p>
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
* <p>
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
* <p>
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package com.mybatisflex.test;
|
|
|
|
import com.mybatisflex.core.MybatisFlexBootstrap;
|
|
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
|
|
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
|
|
|
|
import javax.sql.DataSource;
|
|
import java.util.List;
|
|
|
|
public class MaskManagerTest {
|
|
|
|
public static void main(String[] args) {
|
|
DataSource dataSource = new EmbeddedDatabaseBuilder()
|
|
.setType(EmbeddedDatabaseType.H2)
|
|
.setName("db1")
|
|
.addScript("schema.sql")
|
|
.addScript("data.sql").setScriptEncoding("UTF-8")
|
|
.build();
|
|
|
|
MybatisFlexBootstrap.getInstance()
|
|
.setDataSource(dataSource)
|
|
.addMapper(AccountMapper.class)
|
|
.start();
|
|
|
|
//获取 mapper
|
|
AccountMapper mapper = MybatisFlexBootstrap.getInstance().getMapper(AccountMapper.class);
|
|
List<Account> accounts = mapper.selectAll();
|
|
// List<Account> accounts = MaskManager.withoutMask(mapper::selectAll);
|
|
System.out.println(accounts);
|
|
}
|
|
|
|
}
|