Initial commit of akmon project

doc_news/verify_immutable_fix.sql

@@ -0,0 +1,114 @@
+-- 验证IMMUTABLE错误修复
+-- 此脚本检查主数据库结构是否能成功创建，不包含任何可能导致IMMUTABLE错误的索引
+
+SELECT 'Testing database structure without IMMUTABLE function issues...' as test_status;
+
+-- ===================================================================
+-- 1. 检查表是否存在
+-- ===================================================================
+
+SELECT 'Checking tables...' as step;
+
+SELECT 
+    COUNT(*) as table_count,
+    CASE 
+        WHEN COUNT(*) >= 20 THEN '✓ Tables created successfully'
+        ELSE '⚠ Some tables may be missing'
+    END as status
+FROM information_schema.tables 
+WHERE table_schema = 'public' AND table_name LIKE 'ak_%';
+
+-- ===================================================================
+-- 2. 检查索引是否创建成功
+-- ===================================================================
+
+SELECT 'Checking indexes...' as step;
+
+SELECT 
+    COUNT(*) as index_count,
+    CASE 
+        WHEN COUNT(*) >= 15 THEN '✓ Indexes created successfully'
+        ELSE '⚠ Some indexes may be missing'
+    END as status
+FROM pg_indexes 
+WHERE schemaname = 'public' AND indexname LIKE 'idx_%';
+
+-- ===================================================================
+-- 3. 检查是否有全文搜索索引（应该没有）
+-- ===================================================================
+
+SELECT 'Checking full-text search indexes (should be empty)...' as step;
+
+SELECT 
+    COUNT(*) as fts_index_count,
+    CASE 
+        WHEN COUNT(*) = 0 THEN '✓ No problematic FTS indexes found'
+        ELSE '⚠ Found FTS indexes that might cause issues'
+    END as status
+FROM pg_indexes 
+WHERE schemaname = 'public' 
+  AND (indexdef LIKE '%to_tsvector%' OR indexdef LIKE '%gin%to_%');
+
+-- ===================================================================
+-- 4. 检查基本索引是否存在
+-- ===================================================================
+
+SELECT 'Checking basic indexes...' as step;
+
+SELECT 
+    indexname,
+    '✓ Available' as status
+FROM pg_indexes 
+WHERE schemaname = 'public' 
+  AND indexname IN (
+    'idx_contents_title_text',
+    'idx_contents_category', 
+    'idx_contents_published',
+    'idx_contents_status'
+  );
+
+-- ===================================================================
+-- 5. 测试基本查询功能
+-- ===================================================================
+
+SELECT 'Testing basic query functionality...' as step;
+
+-- 测试简单文本搜索（不使用全文搜索）
+DO $$
+BEGIN
+    -- 检查ak_contents表是否可以查询
+    IF EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'ak_contents') THEN
+        RAISE NOTICE '✓ ak_contents table is queryable';
+        
+        -- 测试基本的文本搜索功能
+        PERFORM count(*) FROM ak_contents WHERE title ILIKE '%test%';
+        RAISE NOTICE '✓ Basic text search with ILIKE works';
+        
+    ELSE
+        RAISE NOTICE '⚠ ak_contents table not found';
+    END IF;
+    
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '⚠ Error testing queries: %', SQLERRM;
+END
+$$;
+
+-- ===================================================================
+-- 6. 显示可用的搜索方法
+-- ===================================================================
+
+SELECT 'Available search methods:' as info;
+
+SELECT '1. Case-insensitive text search:' as method,
+       'SELECT * FROM ak_contents WHERE title ILIKE ''%keyword%'';' as example
+UNION ALL
+SELECT '2. Multiple field search:' as method,
+       'SELECT * FROM ak_contents WHERE title ILIKE ''%keyword%'' OR content ILIKE ''%keyword%'';' as example
+UNION ALL  
+SELECT '3. Combined with other filters:' as method,
+       'SELECT * FROM ak_contents WHERE title ILIKE ''%keyword%'' AND status = ''published'' ORDER BY published_at DESC;' as example;
+
+SELECT '✅ Database structure verification completed!' as final_status;
+SELECT 'The database should now be free of IMMUTABLE function errors.' as note;
+SELECT 'For advanced full-text search, run fulltext_search_optional.sql separately.' as recommendation;