2026-01-05 09:44:05 +08:00
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# 广州→内蒙信用监管系统迁移检测实施方案
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## 一、检测目标
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确保从广州市场监督管理局迁移到内蒙市场监督管理局的信用监管综合系统能够:
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2026-01-05 14:53:10 +08:00
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- Mapper XML与数据库表结构保持一致
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- SQL语句兼容目标数据库类型(达梦/MySQL/Oracle/DB2等)
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- 数据持久层稳定可靠,确保数据查询和操作正常
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2026-01-05 09:44:05 +08:00
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---
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2026-01-05 14:53:10 +08:00
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## 二、检测方案总览
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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本迁移检测项目包含两个独立的检测方案:
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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### 1. Mapper XML 与表结构一致性检测方案
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**文档位置**:[check/Mapper-XML与表结构一致性检测方案.md](./Mapper-XML与表结构一致性检测方案.md)
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**检测目标**:
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- 确保 MyBatis Mapper XML 文件与数据库表结构保持一致
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- 避免因字段不匹配导致的数据查询错误或运行时异常
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**核心检测项**:
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- 字段名映射(Mapper字段是否在数据库表中存在)
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- 数据类型匹配(Java类型与数据库列类型是否对应)
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- 主键/索引配置(主键配置、生成策略是否匹配数据库)
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**适用场景**:
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- 数据库表结构变更后
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- 新增或修改Mapper XML文件时
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- 迁移到新的数据库环境前
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2026-01-05 09:44:05 +08:00
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---
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2026-01-05 14:53:10 +08:00
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### 2. 跨数据库SQL兼容性检测方案
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**文档位置**:[check/跨数据库SQL兼容性检测方案.md](./跨数据库SQL兼容性检测方案.md)
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**检测目标**:
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- 检测系统中所有SQL语句在目标数据库上的兼容性
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- 识别并修复不兼容的SQL语法
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- 确保系统平滑迁移到新数据库环境
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**核心检测项**:
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- SQL语法兼容性(分页、函数、操作符等)
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- 数据类型兼容性(MySQL特有类型 → 标准SQL类型)
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- 字符串和日期处理(字符串拼接、日期函数等)
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**重点检测的MySQL特有语法**:
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- `LIMIT offset, count` → `LIMIT count OFFSET offset`
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- `NOW()` → `SYSDATE`
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- `AUTO_INCREMENT` → `IDENTITY`
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- `` `table` `` → `"table"`
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- `IF(condition, a, b)` → `CASE WHEN condition THEN a ELSE b END`
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- `GROUP_CONCAT()` → `LISTAGG()`
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**适用场景**:
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- 从MySQL迁移到达梦/Oracle等数据库
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- 系统需要支持多种数据库类型
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- 检测代码中的数据库特定语法
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2026-01-05 09:44:05 +08:00
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---
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2026-01-05 14:53:10 +08:00
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## 三、检测实施流程
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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### 阶段1:准备阶段
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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1. **确认目标数据库类型**
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```bash
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# 查看当前数据库配置
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cat application.yml | grep -A 5 "database:"
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```
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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2. **备份代码**
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```bash
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git add .
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git commit -m "备份:迁移检测前的代码"
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```
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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3. **创建检测报告目录**
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```bash
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mkdir -p check/reports
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mkdir -p check/scripts
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```
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2026-01-05 09:44:05 +08:00
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---
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2026-01-05 14:53:10 +08:00
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### 阶段2:执行检测
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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#### 步骤1:Mapper XML 与表结构一致性检测
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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```bash
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# 1. 导出数据库表结构
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python check/scripts/export_db_schema.py
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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# 2. 执行一致性检测
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python check/scripts/mapper_schema_checker.py
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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# 3. 查看检测报告
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cat check/reports/mapper_schema_report.json
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cat check/reports/mapper_schema_report.md
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```
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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#### 步骤2:跨数据库SQL兼容性检测
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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```bash
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# 1. 快速扫描MySQL特有语法
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bash check/scripts/scan_mysql_syntax.sh > scan_results.txt
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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# 2. 执行完整兼容性检测
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python check/scripts/mysql_to_dm_checker.py
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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# 3. 查看检测报告
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cat check/reports/compatibility_report.json
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cat check/reports/compatibility_report.md
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```
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2026-01-05 09:44:05 +08:00
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---
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2026-01-05 14:53:10 +08:00
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### 阶段3:问题修复
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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1. **按优先级修复问题**
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- HIGH(高危):必须修复,否则系统无法运行
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- MEDIUM(中危):建议修复,可能影响功能
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- LOW(低危):可选修复,优化性改进
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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2. **修复方式**
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- **自动修复**:使用脚本自动修复简单问题(谨慎使用)
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- **手动修复**:根据报告建议逐一修复复杂问题
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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3. **验证修复**
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```bash
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# 重新执行检测
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python check/scripts/mapper_schema_checker.py
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python check/scripts/mysql_to_dm_checker.py
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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# 对比修复前后的报告
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diff check/reports/before_fix.json check/reports/after_fix.json
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```
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2026-01-05 09:44:05 +08:00
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---
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2026-01-05 14:53:10 +08:00
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### 阶段4:测试验证
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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1. **单元测试**
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```bash
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mvn test -Dtest=*MapperTest
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```
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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2. **集成测试**
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```bash
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mvn verify
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```
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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3. **功能测试**
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- 启动应用
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- 测试核心业务功能
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- 验证数据查询和操作
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2026-01-05 09:44:05 +08:00
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---
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2026-01-05 14:53:10 +08:00
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## 四、检测工具和脚本
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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### 1. Mapper XML 与表结构一致性检测工具
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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| 工具名称 | 文件路径 | 说明 |
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|---------|---------|------|
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| 数据库Schema导出工具 | `check/scripts/export_db_schema.py` | 导出数据库表结构为JSON |
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| 一致性检测工具 | `check/scripts/mapper_schema_checker.py` | 检测Mapper与表结构一致性 |
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| 检测报告 | `check/reports/mapper_schema_report.json` | JSON格式检测报告 |
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| 检测报告 | `check/reports/mapper_schema_report.md` | Markdown格式检测报告 |
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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### 2. 跨数据库SQL兼容性检测工具
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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| 工具名称 | 文件路径 | 说明 |
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|---------|---------|------|
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| 快速扫描脚本 | `check/scripts/scan_mysql_syntax.sh` | Linux/Mac快速扫描脚本 |
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| 快速扫描脚本 | `check/scripts/scan_mysql_syntax.ps1` | Windows快速扫描脚本 |
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| 兼容性检测工具 | `check/scripts/mysql_to_dm_checker.py` | 完整的兼容性检测工具 |
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| 自动修复脚本 | `check/scripts/fix_compatibility.sh` | 自动修复MySQL语法(谨慎使用) |
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| 检测报告 | `check/reports/compatibility_report.json` | JSON格式检测报告 |
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| 检测报告 | `check/reports/compatibility_report.md` | Markdown格式检测报告 |
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2026-01-05 09:44:05 +08:00
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---
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2026-01-05 14:53:10 +08:00
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## 五、常见问题排查
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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### 问题1:Mapper字段与数据库表不匹配
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**症状**:
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```
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org.apache.ibatis.exceptions.PersistenceException:
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### Error querying database. Cause: java.sql.SQLException: 无效的列索引
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2026-01-05 09:44:05 +08:00
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```
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2026-01-05 14:53:10 +08:00
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**排查步骤**:
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1. 检查Mapper XML中的字段名是否正确
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2. 对比数据库表结构
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3. 使用一致性检测工具扫描
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4. 查看详细报告:`check/reports/mapper_schema_report.md`
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**参考文档**:[Mapper-XML与表结构一致性检测方案.md](./Mapper-XML与表结构一致性检测方案.md)
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2026-01-05 09:44:05 +08:00
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---
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2026-01-05 14:53:10 +08:00
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### 问题2:SQL语句在新数据库中报错
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**症状**:
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```
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java.sql.SQLSyntaxErrorException: 语法分析错误
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2026-01-05 09:44:05 +08:00
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```
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2026-01-05 14:53:10 +08:00
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**排查步骤**:
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1. 确认错误SQL语句
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2. 检查是否使用了MySQL特有语法
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3. 使用兼容性检测工具扫描
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4. 查看兼容性对照表
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2026-01-05 09:44:05 +08:00
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|
2026-01-05 14:53:10 +08:00
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**参考文档**:[跨数据库SQL兼容性检测方案.md](./跨数据库SQL兼容性检测方案.md)
|
2026-01-05 09:44:05 +08:00
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|
2026-01-05 14:53:10 +08:00
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---
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2026-01-05 09:44:05 +08:00
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|
2026-01-05 14:53:10 +08:00
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### 问题3:分页查询不工作
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2026-01-05 09:44:05 +08:00
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2026-01-05 14:53:10 +08:00
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**症状**:
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|
```
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LIMIT语法错误或分页结果不正确
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|
```
|
2026-01-05 09:44:05 +08:00
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|
2026-01-05 14:53:10 +08:00
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**解决方案**:
|
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|
|
- MySQL: `LIMIT offset, count`
|
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|
|
- 达梦8+: `LIMIT count OFFSET offset`
|
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|
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- 达梦7: 使用 `ROWNUM`
|
2026-01-05 09:44:05 +08:00
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|
2026-01-05 14:53:10 +08:00
|
|
|
|
**参考文档**:[跨数据库SQL兼容性检测方案.md](./跨数据库SQL兼容性检测方案.md)
|
2026-01-05 09:44:05 +08:00
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|
|
|
---
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|
2026-01-05 14:53:10 +08:00
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## 六、检测报告示例
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### Mapper XML 与表结构一致性检测报告
|
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|
|
|
|
|
|
|
```json
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|
{
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|
|
"summary": {
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|
|
"total_issues": 15,
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|
"by_severity": {
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|
"HIGH": 8,
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|
"MEDIUM": 5,
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|
"LOW": 2
|
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|
}
|
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},
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"issues": [
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{
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|
"type": "EXTRA_FIELDS",
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"table": "ABNORMAL_LIST",
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|
"file": "src/main/resources/mybatis/mapper/aiccs/abnormal/AbnormalListMapper.xml",
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|
"severity": "HIGH",
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|
"message": "Mapper中多余字段(数据库中不存在): NEW_FIELD, DEPRECATED_FIELD"
|
2026-01-05 09:44:05 +08:00
|
|
|
|
}
|
2026-01-05 14:53:10 +08:00
|
|
|
|
]
|
2026-01-05 09:44:05 +08:00
|
|
|
|
}
|
|
|
|
|
|
```
|
|
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 跨数据库SQL兼容性检测报告
|
|
|
|
|
|
|
|
|
|
|
|
```json
|
|
|
|
|
|
{
|
|
|
|
|
|
"scan_time": "2025-01-05T14:30:00",
|
|
|
|
|
|
"summary": {
|
|
|
|
|
|
"total_issues": 45,
|
|
|
|
|
|
"by_severity": {
|
|
|
|
|
|
"HIGH": 23,
|
|
|
|
|
|
"MEDIUM": 15,
|
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|
|
|
|
"LOW": 7
|
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|
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|
|
},
|
|
|
|
|
|
"by_type": {
|
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|
|
"NOW": 18,
|
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|
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|
|
"LIMIT": 12,
|
|
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|
|
"IF_FUNCTION": 8
|
|
|
|
|
|
}
|
|
|
|
|
|
},
|
|
|
|
|
|
"issues": [
|
|
|
|
|
|
{
|
|
|
|
|
|
"issue_type": "NOW",
|
|
|
|
|
|
"severity": "HIGH",
|
|
|
|
|
|
"file_path": "src/main/resources/mybatis/mapper/aiccs/abnormal/AbnormalListMapper.xml",
|
|
|
|
|
|
"line_number": 45,
|
|
|
|
|
|
"mysql_pattern": "NOW()",
|
|
|
|
|
|
"dm_pattern": "SYSDATE",
|
|
|
|
|
|
"description": "达梦不支持NOW()函数",
|
|
|
|
|
|
"suggestion": "将 NOW() 改为 SYSDATE"
|
|
|
|
|
|
}
|
|
|
|
|
|
]
|
|
|
|
|
|
}
|
|
|
|
|
|
```
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
|
|
|
|
|
---
|
|
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
## 七、最佳实践建议
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 1. 定期执行检测
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- **每次数据库表结构变更后**:执行Mapper XML一致性检测
|
|
|
|
|
|
- **每次修改SQL语句后**:执行兼容性检测
|
|
|
|
|
|
- **迁移到新环境前**:执行完整检测
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 2. 集成到CI/CD流程
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
在项目的CI/CD流程中集成检测工具,确保每次代码提交都经过检测:
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
```yaml
|
|
|
|
|
|
# .gitlab-ci.yml 示例
|
|
|
|
|
|
test:
|
|
|
|
|
|
script:
|
|
|
|
|
|
- python check/scripts/mapper_schema_checker.py
|
|
|
|
|
|
- python check/scripts/mysql_to_dm_checker.py
|
|
|
|
|
|
- mvn test
|
|
|
|
|
|
```
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 3. 代码审查
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- 将检测报告作为代码审查的参考
|
|
|
|
|
|
- 重点关注高危和中危问题
|
|
|
|
|
|
- 确保所有问题都已修复或确认可忽略
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 4. 文档维护
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- 及时更新检测工具和脚本
|
|
|
|
|
|
- 维护兼容性对照表
|
|
|
|
|
|
- 记录常见问题和解决方案
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
---
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
## 八、相关资源
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 项目文档
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- [Mapper-XML与表结构一致性检测方案.md](./Mapper-XML与表结构一致性检测方案.md) - Mapper一致性检测详细方案
|
|
|
|
|
|
- [跨数据库SQL兼容性检测方案.md](./跨数据库SQL兼容性检测方案.md) - SQL兼容性检测详细方案
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 数据库参考文档
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- **达梦数据库**: [https://www.dameng.com/](https://www.dameng.com/)
|
|
|
|
|
|
- **MySQL**: [https://dev.mysql.com/doc/](https://dev.mysql.com/doc/)
|
|
|
|
|
|
- **Oracle**: [https://docs.oracle.com/en/database/](https://docs.oracle.com/en/database/)
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### MyBatis参考文档
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- **MyBatis官方文档**: [https://mybatis.org/mybatis-3/](https://mybatis.org/mybatis-3/)
|
|
|
|
|
|
- **MyBatis-Plus文档**: [https://baomidou.com/](https://baomidou.com/)
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
|
|
|
|
|
---
|
|
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
## 九、检查清单
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 迁移前检查
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- [ ] 确认目标数据库类型和版本
|
|
|
|
|
|
- [ ] 备份当前代码和数据
|
|
|
|
|
|
- [ ] 创建检测报告目录
|
|
|
|
|
|
- [ ] 导出数据库表结构
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 执行检测
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- [ ] Mapper XML 与表结构一致性检测
|
|
|
|
|
|
- [ ] 跨数据库SQL兼容性检测
|
|
|
|
|
|
- [ ] 生成检测报告
|
|
|
|
|
|
- [ ] 分析检测报告
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 问题修复
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- [ ] 修复高危问题
|
|
|
|
|
|
- [ ] 修复中危问题
|
|
|
|
|
|
- [ ] 修复低危问题(可选)
|
|
|
|
|
|
- [ ] 验证修复结果
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 测试验证
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
- [ ] 单元测试通过
|
|
|
|
|
|
- [ ] 集成测试通过
|
|
|
|
|
|
- [ ] 功能测试通过
|
|
|
|
|
|
- [ ] 性能测试通过
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
### 部署上线
|
|
|
|
|
|
|
|
|
|
|
|
- [ ] 灰度发布
|
|
|
|
|
|
- [ ] 监控系统运行状态
|
|
|
|
|
|
- [ ] 收集用户反馈
|
|
|
|
|
|
- [ ] 完成迁移
|
|
|
|
|
|
|
|
|
|
|
|
---
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
## 十、技术支持
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
如果在执行迁移检测过程中遇到问题,请:
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
1. 查阅相关文档和参考资料
|
|
|
|
|
|
2. 检查检测报告中的错误信息
|
|
|
|
|
|
3. 联系项目负责人或DBA
|
|
|
|
|
|
4. 提交Issue到项目仓库
|
2026-01-05 09:44:05 +08:00
|
|
|
|
|
|
|
|
|
|
---
|
|
|
|
|
|
|
2026-01-05 14:53:10 +08:00
|
|
|
|
**最后更新时间**: 2025-01-05
|
|
|
|
|
|
**文档版本**: v1.0
|
|
|
|
|
|
**维护人**: 开发团队
|