# statistics

数据为日志, 指标亦为日志

引入数据
创建指标
导出接口

```bash
# 安装依赖
npm install --registry=https://registry.npmmirror.com
node main.js

# 连接数据库
ssh -NCPf ai -L 3306:localhost:3306
```

```sql
-- 创建字段
ALTER TABLE web_images ADD COLUMN day_rank INT UNSIGNED;
ALTER TABLE web_images ADD COLUMN week_rank INT UNSIGNED;
ALTER TABLE web_images ADD COLUMN month_rank INT UNSIGNED;
```