From ed81f0922e41a4768366e7fe9195c2e66c65f36b Mon Sep 17 00:00:00 2001
From: 01Petard <1520394133@qq.com>
Date: Tue, 17 Sep 2024 08:09:17 +0800
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+---
+title: MYDB使用指南
+date: 2024-09-09 18:47:00
+updated: 2024-09-09 18:47:00
+categories: 
+- 学习
+tags: 
+- 数据库
+keywords:
+- 数据库
+description: 参考innoDB引擎，手写关系型数据库
+---
+
+## 进入项目路径
+
+```shell
+cd E:\Projects_Java\Project_xfg\MYDB
+```
+
+## 编译
+
+```shell
+mvn compile
+```
+
+> ```shell
+> E:\Projects_Java\Project_xfg\MYDB-master>mvn compile
+> [INFO] Scanning for projects...
+> [INFO] 
+> [INFO] -------------------------< top.guoziyang:MyDB >-------------------------
+> [INFO] Building MyDB 1.0-SNAPSHOT                                              
+> [INFO]   from pom.xml                                                          
+> [INFO] --------------------------------[ jar ]---------------------------------
+> [INFO] 
+> [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ MyDB ---
+> [INFO] Using 'UTF-8' encoding to copy filtered resources.
+> [INFO] skip non existing resourceDirectory E:\Projects_Java\Project_xfg\MYDB-master\src\main\resources
+> [INFO]
+> [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ MyDB ---
+> [INFO] Changes detected - recompiling the module!
+> [INFO] Compiling 65 source files to E:\Projects_Java\Project_xfg\MYDB-master\target\classes
+> [INFO] ------------------------------------------------------------------------
+> [INFO] BUILD SUCCESS
+> [INFO] ------------------------------------------------------------------------
+> [INFO] Total time:  1.436 s
+> [INFO] Finished at: 2024-09-08T12:46:45+08:00
+> [INFO] ------------------------------------------------------------------------
+> ```
+
+## 创建数据库
+
+```shell
+mkdir E:\Projects_Java\Project_xfg\MYDB-database\mydatabase
+```
+
+```shell
+mvn exec:java -Dexec.mainClass="top.guoziyang.mydb.backend.Launcher" -Dexec.args="-create E:\Projects_Java\Project_xfg\MYDB-database\mydatabase"
+```
+
+> ```shell
+> E:\Projects_Java\Project_xfg\MYDB-master>mvn exec:java -Dexec.mainClass="top.guoziyang.mydb.backend.Launcher" -Dexec.args="-create E:\Projects_Java\Project_xfg\tmp\mydb"
+> [INFO] Scanning for projects...
+> [INFO] 
+> [INFO] -------------------------< top.guoziyang:MyDB >-------------------------
+> [INFO] Building MyDB 1.0-SNAPSHOT
+> [INFO]   from pom.xml
+> [INFO] --------------------------------[ jar ]---------------------------------
+> [INFO] 
+> [INFO] --- exec-maven-plugin:3.4.1:java (default-cli) @ MyDB ---
+> [INFO] ------------------------------------------------------------------------
+> [INFO] BUILD SUCCESS
+> [INFO] ------------------------------------------------------------------------
+> [INFO] Total time:  0.342 s
+> [INFO] Finished at: 2024-09-08T12:49:07+08:00
+> [INFO] ------------------------------------------------------------------------
+> ```
+
+## 以默认参数启动数据库服务
+
+```shell
+mvn exec:java -Dexec.mainClass="top.guoziyang.mydb.backend.Launcher" -Dexec.args="-open E:\Projects_Java\Project_xfg\MYDB-database\mydatabase"
+```
+
+> ```shell
+> E:\Projects_Java\Project_xfg\MYDB-master>mvn exec:java -Dexec.mainClass="top.guoziyang.mydb.backend.Launcher" -Dexec.args="-open E:\Projects_Java\Project_xfg\tmp\mydb"
+> [INFO] Scanning for projects...
+> [INFO] 
+> [INFO] -------------------------< top.guoziyang:MyDB >-------------------------
+> [INFO] Building MyDB 1.0-SNAPSHOT
+> [INFO]   from pom.xml
+> [INFO] --------------------------------[ jar ]---------------------------------
+> [INFO] 
+> [INFO] --- exec-maven-plugin:3.4.1:java (default-cli) @ MyDB ---
+> Server listen to port: 9999
+> Establish connection: 127.0.0.1:52192
+> Execute: create table test_table id int32, value int32 (index id)
+> Execute: insert into test_table values 10 33
+> Execute: select * from test_table
+> Execute: begin
+> Execute: insert into test_table values 20 34
+> Execute: commit
+> Execute: select * from test_table
+> Execute: begin
+> Execute: delete from test_table where id = 10
+> Execute: abort
+> Execute: select * from test_table
+> Execute: delete from test_table where id = 10
+> Execute: select * from test_table
+> ```
+
+## 新起一个终端，启动客户端连接数据库
+
+```shell
+mvn exec:java -Dexec.mainClass="top.guoziyang.mydb.client.Launcher"
+```
+
+> ```shell
+> E:\Projects_Java\Project_xfg\MYDB-master>mvn exec:java -Dexec.mainClass="top.guoziyang.mydb.client.Launcher"
+> [INFO] Scanning for projects...
+> [INFO] 
+> [INFO] -------------------------< top.guoziyang:MyDB >-------------------------
+> [INFO] Building MyDB 1.0-SNAPSHOT                                              
+> [INFO]   from pom.xml                                                          
+> [INFO] --------------------------------[ jar ]---------------------------------
+> [INFO] 
+> [INFO] --- exec-maven-plugin:3.4.1:java (default-cli) @ MyDB ---
+> :> 
+> ```
+> 
+
+## 测试
+
+```sql
+## 建表
+:> create table test id int32, value int32 (index id)
+create test_table
+## 插入
+:> insert into test values 10 33
+insert
+## 查询
+:> select * from test
+[10, 33]
+
+# 事务提交
+:> begin
+begin
+:> insert into test values 20 34
+insert
+:> commit
+commit
+:> select * from test            
+[10, 33]
+[20, 34]
+
+## 事务中断
+:> begin
+begin
+:> delete from test where id = 10
+delete 1
+:> abort
+abort
+:> select * from test             
+[10, 33]
+[20, 34]
+
+## 删除
+:> delete from test where id = 10
+delete 1
+:> select * from test
+[20, 34]
+
+:> quit
+```
+