90 lines
3.4 KiB
SQL
90 lines
3.4 KiB
SQL
-- 全文搜索索引修复验证脚本
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-- 在修复后运行此脚本验证IMMUTABLE函数错误是否已解决
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-- ===================================================================
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-- 1. 验证IMMUTABLE函数创建成功
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-- ===================================================================
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SELECT 'Testing IMMUTABLE functions...' as test_phase;
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-- 测试标题搜索函数
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SELECT 'Title function test: ' || content_title_to_tsvector('AI Technology Development')::text as result;
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-- 测试内容搜索函数
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SELECT 'Content function test: ' || content_body_to_tsvector('Artificial Intelligence is changing the world')::text as result;
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-- ===================================================================
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-- 2. 验证索引创建状态
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-- ===================================================================
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SELECT 'Testing index creation...' as test_phase;
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-- 检查全文搜索索引是否存在
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SELECT indexname, indexdef
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FROM pg_indexes
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WHERE schemaname = 'public'
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AND indexname IN ('idx_contents_fts_title', 'idx_contents_fts_content');
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-- ===================================================================
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-- 3. 验证函数属性
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-- ===================================================================
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SELECT 'Testing function attributes...' as test_phase;
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-- 检查函数是否标记为IMMUTABLE
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SELECT
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proname as function_name,
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provolatile as volatility,
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CASE provolatile
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WHEN 'i' THEN 'IMMUTABLE ✓'
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WHEN 's' THEN 'STABLE'
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WHEN 'v' THEN 'VOLATILE'
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END as volatility_status
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FROM pg_proc
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WHERE proname IN ('content_title_to_tsvector', 'content_body_to_tsvector');
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-- ===================================================================
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-- 4. 测试全文搜索功能
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-- ===================================================================
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SELECT 'Testing full-text search functionality...' as test_phase;
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-- 如果ak_contents表有数据，测试搜索功能
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DO $$
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BEGIN
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IF EXISTS (SELECT 1 FROM ak_contents LIMIT 1) THEN
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-- 测试标题搜索
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RAISE NOTICE 'Title search test: %',
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(SELECT COUNT(*) FROM ak_contents
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WHERE content_title_to_tsvector(title) @@ to_tsquery('simple', 'test | demo | AI'));
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-- 测试内容搜索
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RAISE NOTICE 'Content search test: %',
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(SELECT COUNT(*) FROM ak_contents
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WHERE content_body_to_tsvector(content) @@ to_tsquery('simple', 'test | demo | AI'));
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ELSE
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RAISE NOTICE 'No data in ak_contents table to test search functionality';
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END IF;
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END $$;
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-- ===================================================================
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-- 5. 性能测试 (可选)
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-- ===================================================================
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SELECT 'Testing query performance...' as test_phase;
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-- 使用EXPLAIN分析索引使用情况
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-- 注意：如果表中没有数据，这个查询可能不会使用索引
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EXPLAIN (ANALYZE false, BUFFERS false)
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SELECT id, title
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FROM ak_contents
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WHERE content_title_to_tsvector(title) @@ to_tsquery('simple', 'AI');
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-- ===================================================================
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-- 6. 完成验证
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-- ===================================================================
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SELECT '✅ IMMUTABLE function fix verification completed!' as status;
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SELECT 'If no errors appeared above, the fix was successful.' as note;
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SELECT 'You can now safely deploy the database structure.' as recommendation;
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