#!/bin/bash
# 测试 ocean 数据库连接（本机执行，会提示输入 sudo 密码）
set -e
echo "========== 数据库连接测试 =========="
echo ""
echo "1. 连接 MySQL 并选择 ocean 数据库..."
sudo mysql -e "USE ocean; SELECT 'OK' AS connection_status;" 2>/dev/null && echo "   ✓ 连接成功" || { echo "   ✗ 连接失败"; exit 1; }
echo ""
echo "2. 查询表与行数..."
sudo mysql ocean -e "
  SELECT 'users' AS \`表\`, COUNT(*) AS \`行数\` FROM users
  UNION ALL SELECT 'projects', COUNT(*) FROM projects
  UNION ALL SELECT 'operation_logs', COUNT(*) FROM operation_logs;
"
echo ""
echo "3. 表结构预览 (projects 前 5 列)..."
sudo mysql ocean -e "DESCRIBE projects;" | head -6
echo ""
echo "========== 测试完成 =========="