Initial commit of akmon project

doc_zhipao/migrate_scoring_criteria_simple.sql

@@ -0,0 +1,152 @@
+-- 简化版评分标准JSON迁移脚本
+-- 适用于当前数据库结构 (title, sport_type, difficulty_level, is_active)
+-- 执行日期：2025-06-11
+
+-- 步骤1：创建备份表
+CREATE TABLE IF NOT EXISTS ak_training_projects_backup_20250611 AS 
+SELECT * FROM ak_training_projects;
+
+-- 步骤2：检查备份是否成功
+DO $$
+DECLARE
+    backup_count INTEGER;
+    original_count INTEGER;
+BEGIN
+    SELECT COUNT(*) INTO backup_count FROM ak_training_projects_backup_20250611;
+    SELECT COUNT(*) INTO original_count FROM ak_training_projects;
+    
+    IF backup_count = original_count THEN
+        RAISE NOTICE '备份成功: % 条记录已备份', backup_count;
+    ELSE
+        RAISE EXCEPTION '备份失败: 原表 % 条记录，备份表 % 条记录', original_count, backup_count;
+    END IF;
+END $$;
+
+-- 步骤3：确保 scoring_criteria 字段为 JSONB 类型
+DO $$
+BEGIN
+    -- 检查并转换字段类型
+    IF EXISTS (
+        SELECT 1 FROM information_schema.columns 
+        WHERE table_name = 'ak_training_projects' 
+        AND column_name = 'scoring_criteria' 
+        AND data_type != 'jsonb'
+    ) THEN
+        ALTER TABLE ak_training_projects 
+        ALTER COLUMN scoring_criteria TYPE JSONB 
+        USING CASE 
+            WHEN scoring_criteria IS NULL OR scoring_criteria = '' THEN NULL
+            WHEN scoring_criteria ~ '^[\s\t\n\r]*\{.*\}[\s\t\n\r]*$' THEN scoring_criteria::JSONB
+            ELSE jsonb_build_object('legacy_text', scoring_criteria)
+        END;
+        
+        RAISE NOTICE 'scoring_criteria 字段已转换为 JSONB 类型';
+    ELSE
+        RAISE NOTICE 'scoring_criteria 字段已经是 JSONB 类型';
+    END IF;
+END $$;
+
+-- 步骤4：为没有评分标准的项目添加默认JSON结构
+UPDATE ak_training_projects 
+SET scoring_criteria = jsonb_build_object(
+    'criteria', jsonb_build_array(
+        jsonb_build_object(
+            'min_score', 90,
+            'max_score', 100,
+            'description', '优秀：表现卓越，超出预期'
+        ),
+        jsonb_build_object(
+            'min_score', 80,
+            'max_score', 89,
+            'description', '良好：表现良好，符合要求'
+        ),
+        jsonb_build_object(
+            'min_score', 70,
+            'max_score', 79,
+            'description', '及格：基本达标，有待改进'
+        ),
+        jsonb_build_object(
+            'min_score', 0,
+            'max_score', 69,
+            'description', '不及格：未达标准，需要重练'
+        )
+    ),
+    'scoring_method', 'comprehensive',
+    'weight_distribution', jsonb_build_object(
+        'technique', 0.4,
+        'effort', 0.3,
+        'improvement', 0.3
+    )
+)
+WHERE scoring_criteria IS NULL 
+   OR scoring_criteria = '{}' 
+   OR jsonb_typeof(scoring_criteria) != 'object'
+   OR NOT (scoring_criteria ? 'criteria');
+
+-- 步骤5：创建索引以提高查询性能
+CREATE INDEX IF NOT EXISTS idx_ak_training_projects_scoring_criteria 
+ON ak_training_projects USING GIN (scoring_criteria);
+
+-- 步骤6：验证迁移结果
+DO $$
+DECLARE
+    total_projects INTEGER;
+    projects_with_criteria INTEGER;
+    projects_with_valid_structure INTEGER;
+BEGIN
+    -- 统计总数
+    SELECT COUNT(*) INTO total_projects FROM ak_training_projects;
+    
+    -- 统计有评分标准的项目
+    SELECT COUNT(*) INTO projects_with_criteria 
+    FROM ak_training_projects 
+    WHERE scoring_criteria IS NOT NULL;
+    
+    -- 统计有效JSON结构的项目
+    SELECT COUNT(*) INTO projects_with_valid_structure
+    FROM ak_training_projects 
+    WHERE scoring_criteria ? 'criteria' 
+      AND jsonb_typeof(scoring_criteria->'criteria') = 'array'
+      AND jsonb_array_length(scoring_criteria->'criteria') > 0;
+    
+    RAISE NOTICE '=== 迁移验证结果 ===';
+    RAISE NOTICE '总项目数: %', total_projects;
+    RAISE NOTICE '有评分标准的项目: %', projects_with_criteria;
+    RAISE NOTICE '有效JSON结构的项目: %', projects_with_valid_structure;
+    
+    IF projects_with_valid_structure = total_projects THEN
+        RAISE NOTICE '✅ 迁移成功！所有项目都有有效的评分标准JSON结构';
+    ELSE
+        RAISE WARNING '⚠️  有 % 个项目的评分标准结构可能需要检查', 
+                     total_projects - projects_with_valid_structure;
+    END IF;
+END $$;
+
+-- 步骤7：显示示例数据
+DO $$
+DECLARE
+    example_record RECORD;
+BEGIN
+    RAISE NOTICE '=== 示例数据 ===';
+    
+    FOR example_record IN 
+        SELECT 
+            title,
+            scoring_criteria->'criteria' as criteria,
+            jsonb_array_length(scoring_criteria->'criteria') as criteria_count
+        FROM ak_training_projects 
+        WHERE scoring_criteria IS NOT NULL
+        LIMIT 3
+    LOOP
+        RAISE NOTICE '项目: %', example_record.title;
+        RAISE NOTICE '  评分标准数量: %', example_record.criteria_count;
+        RAISE NOTICE '  评分标准: %', example_record.criteria;
+        RAISE NOTICE '---';
+    END LOOP;
+END $$;
+
+-- 完成提示
+SELECT '🎉 评分标准JSON结构化迁移完成！' as status;
+
+-- 清理建议（可选执行）
+-- DROP TABLE IF EXISTS ak_training_projects_backup_20250611;