-- ============================================
-- 验证测试1的数据库状态
-- ============================================

\echo '=========================================='
\echo '1. 检查 app_cache 表是否存在'
\echo '=========================================='
\dt platform_schema.app_cache

\echo ''
\echo '=========================================='
\echo '2. 查看表结构'
\echo '=========================================='
\d platform_schema.app_cache

\echo ''
\echo '=========================================='
\echo '3. 查看索引'
\echo '=========================================='
SELECT indexname, indexdef 
FROM pg_indexes 
WHERE schemaname = 'platform_schema' 
  AND tablename = 'app_cache';

\echo ''
\echo '=========================================='
\echo '4. 检查测试数据是否清理（应为0行）'
\echo '=========================================='
SELECT COUNT(*) as test_data_count 
FROM platform_schema.app_cache 
WHERE key LIKE 'test:%';

\echo ''
\echo '=========================================='
\echo '5. 查看所有缓存数据'
\echo '=========================================='
SELECT id, key, 
       LEFT(value::text, 50) as value_preview, 
       expires_at, 
       created_at 
FROM platform_schema.app_cache 
ORDER BY created_at DESC 
LIMIT 10;

\echo ''
\echo '=========================================='
\echo '6. 查看表统计信息'
\echo '=========================================='
SELECT 
  COUNT(*) as total_records,
  pg_size_pretty(pg_total_relation_size('platform_schema.app_cache')) as total_size,
  pg_size_pretty(pg_relation_size('platform_schema.app_cache')) as table_size,
  pg_size_pretty(pg_indexes_size('platform_schema.app_cache')) as indexes_size
FROM platform_schema.app_cache;

\echo ''
\echo '=========================================='
\echo '7. 测试写入和删除（不会影响现有数据）'
\echo '=========================================='

-- 插入测试数据
INSERT INTO platform_schema.app_cache (key, value, expires_at, created_at)
VALUES ('verify_test', '{"status": "ok"}', NOW() + INTERVAL '1 hour', NOW());

-- 验证插入
SELECT 'INSERT 成功' as result 
FROM platform_schema.app_cache 
WHERE key = 'verify_test';

-- 删除测试数据
DELETE FROM platform_schema.app_cache WHERE key = 'verify_test';

-- 验证删除
SELECT CASE 
  WHEN COUNT(*) = 0 THEN 'DELETE 成功' 
  ELSE 'DELETE 失败' 
END as result
FROM platform_schema.app_cache 
WHERE key = 'verify_test';

\echo ''
\echo '=========================================='
\echo '✅ 数据库验证完成！'
\echo '=========================================='