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  • Mybatis Plus的SQL分析打印

    该功能依赖 p6spy 组件,完美的输出打印 SQL 及执行时长 3.1.0 以上版本


    1. P6spy 依赖引入

    # maven依赖
    
    <dependency>
      <groupId>p6spy</groupId>
      <artifactId>p6spy</artifactId>
      <version>最新版本</version>
    </dependency>

      2. application.yml 配置

    server.port= 9000
    
    #spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
    #spring.datasource.url=jdbc:mysql://localhost:3306/oms?serverTimezone=GMT%2B8
    #spring.datasource.username=root
    #spring.datasource.password=root
    
    #mybatis-plus提供的驱动类,连接数据库
    spring.datasource.driver-class-name=com.p6spy.engine.spy.P6SpyDriver
    spring.datasource.url=jdbc:p6spy:mysql://localhost:3306/oms?serverTimezone=GMT%2B8
    spring.datasource.username=root
    spring.datasource.password=root

     3.  spy.properties 配置

    #3.2.1以上使用
    modulelist=com.baomidou.mybatisplus.extension.p6spy.MybatisPlusLogFactory,com.p6spy.engine.outage.P6OutageFactory
    #3.2.1以下使用或者不配置
    #modulelist=com.p6spy.engine.logging.P6LogFactory,com.p6spy.engine.outage.P6OutageFactory
    # 自定义日志打印
    logMessageFormat=com.baomidou.mybatisplus.extension.p6spy.P6SpyLogger
    #日志输出到控制台
    appender=com.baomidou.mybatisplus.extension.p6spy.StdoutLogger
    # 使用日志系统记录 sql
    #appender=com.p6spy.engine.spy.appender.Slf4JLogger
    # 设置 p6spy driver 代理
    deregisterdrivers=true
    # 取消JDBC URL前缀
    useprefix=true
    # 配置记录 Log 例外,可去掉的结果集有error,info,batch,debug,statement,commit,rollback,result,resultset.
    excludecategories=info,debug,result,commit,resultset
    # 日期格式
    dateformat=yyyy-MM-dd HH:mm:ss
    # 实际驱动可多个
    #driverlist=org.h2.Driver
    # 是否开启慢SQL记录
    outagedetection=true
    # 慢SQL记录标准 2 秒
    outagedetectioninterval=2
    
    -------------------------------------------------说明------------------------------------------------------------
    driver-class-name 为 p6spy 提供的驱动类
    url 前缀为 jdbc:p6spy 跟着冒号为对应数据库连接地址
    打印出sql为null,在excludecategories增加commit
    批量操作不打印sql,去除excludecategories中的batch
    批量操作打印重复的问题请使用MybatisPlusLogFactory (3.2.1新增)
    该插件有性能损耗,不建议生产环境使用
    -----------------------------------------------------------------------------------------------------------------

    4. 启动项目,运行SQL语句

    Consume Time:11 ms 2020-12-13 17:42:42
     Execute SQL:SELECT COUNT(1) FROM mgr_user WHERE is_deleted = 0
    
    Consume Time:1 ms 2020-12-13 17:42:42
     Execute SQL:SELECT user_id,username,password,name,user_desc,employee_no,email,is_deleted,create_by,create_time,update_by,update_time FROM mgr_user WHERE is_deleted=0 LIMIT 10
    
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  • 原文地址:https://www.cnblogs.com/w1440199392/p/15201335.html
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