唯一索引 研究对象 原始查找分析 添加唯一索引 重新进行查找
<properties><mybatis-spring-boot>1.2.0</mybatis-spring-boot><mysql-connector>5.1.39</mysql-connector><druid>1.0.18</druid></properties><dependencies><!-- Spring Boot Web 依赖 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></depend...
-- lookup parent from repository --></parent><groupId>com.example</groupId><artifactId>nettyWS</artifactId><version>0.0.1-SNAPSHOT</version><name>2-springboot-nettyWebsocket</name><description>Demo project for Spring Boot</description><properties><java.version>1.8</java.version></properties>...
表格数据 原始查找分析 添加普通索引 重新查找分析 删除索引
-- Spring Boot 启动父依赖 --><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.1.3.RELEASE</version><relativePath/></parent><properties><mybatis-spring-boot>1.2.0</mybatis-spring-boot><mysql-connector>5.1.39</mysql-connector><...
## 数据源配置# 下面这句话格式很重要,serverTimezone一定要有,如果使用com.mysql.cj.jdbc.Driver的话# 还要加上useSSL=true保证安全spring.datasource.url=jdbc:mysql://localhost:3306/flow?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8&useSSL=truespring.datasource.username=rootspring.datasource...