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Co-authored-by: yourton.ma <yourton.ma@gmail.com>

Author: cursoragent

PYDANTIC_2_11_FIX.md

@@ -0,0 +1,320 @@
+# Pydantic 2.11.9 兼容性修复方案
+
+## 🎯 问题分析
+
+**当前版本**: Pydantic 2.11.9
+
+**问题根源**:
+1. JSON Schema 使用嵌套的 `oneOf` 定义（string | array）
+2. datamodel-code-generator 为此生成 RootModel
+3. Pydantic 2.x 的 RootModel **不支持** `model_config['extra']`
+
+**错误示例**:
+```python
+# datamodel-code-generator 生成的代码
+class Database(RootModel[Union[str, Dict[str, Union[str, List[str]]]]]):
+    model_config = ConfigDict(extra="forbid")  # ❌ RootModel 不支持这个
+    root: Union[str, Dict[str, Union[str, List[str]]]]
+```
+
+## ✅ 解决方案
+
+### 方案 1: 简化 Schema（推荐，立即可用）⭐
+
+**核心思路**: 移除嵌套的 `oneOf`，只支持字符串形式的 owner，避免生成 RootModel
+
+#### 修改内容
+
+**替换文件**: `openmetadata-spec/src/main/resources/json/schema/type/ownerConfig.json`
+
+**关键改动**:
+
+```json
+// 修改前（导致 RootModel）:
+"database": {
+  "oneOf": [
+    { "type": "string" },
+    {
+      "type": "object",
+      "additionalProperties": {
+        "oneOf": [              // ← 嵌套的 oneOf 导致 RootModel
+          { "type": "string" },
+          { "type": "array", "items": { "type": "string" } }
+        ]
+      }
+    }
+  ]
+}
+
+// 修改后（避免 RootModel）:
+"database": {
+  "anyOf": [                    // ← 使用 anyOf
+    { "type": "string" },
+    {
+      "type": "object",
+      "additionalProperties": {
+        "type": "string"        // ← 只支持字符串，移除数组
+      }
+    }
+  ]
+}
+```
+
+**优点**:
+- ✅ 不生成 RootModel
+- ✅ 完全兼容 Pydantic 2.11.9
+- ✅ 生成简单的 Union 类型
+- ✅ 立即可用，无需额外配置
+
+**缺点**:
+- ⚠️ 暂时不支持数组形式的多个 owner（如 `["alice", "bob"]`）
+- ⚠️ 只能配置单个 owner（字符串形式）
+
+**生成的 Pydantic 模型**:
+```python
+from typing import Union, Dict, Optional
+from pydantic import BaseModel, Field
+
+class OwnerConfig(BaseModel):
+    default: Optional[str] = Field(None, description="...")
+    database: Optional[Union[str, Dict[str, str]]] = Field(None)  # ✅ 简单的 Union
+    databaseSchema: Optional[Union[str, Dict[str, str]]] = Field(None)
+    table: Optional[Union[str, Dict[str, str]]] = Field(None)
+    enableInheritance: Optional[bool] = Field(True)
+```
+
+#### 实施步骤
+
+```bash
+cd ~/workspaces/OpenMetadata
+
+# 1. 备份原文件
+cp openmetadata-spec/src/main/resources/json/schema/type/ownerConfig.json \
+   openmetadata-spec/src/main/resources/json/schema/type/ownerConfig.json.bak
+
+# 2. 使用优化的 schema（我已创建）
+cp /workspace/ownerConfig_optimized.json \
+   openmetadata-spec/src/main/resources/json/schema/type/ownerConfig.json
+
+# 3. 重新生成 Pydantic 模型
+cd openmetadata-spec
+mvn clean install
+
+# 4. 重新安装 ingestion
+cd ../ingestion
+pip install -e . --force-reinstall --no-deps
+
+# 5. 验证
+python3 -c "from metadata.generated.schema.type import ownerConfig; print('✅ Success')"
+
+# 6. 测试
+cd ..
+metadata ingest -c ingestion/tests/unit/metadata/ingestion/owner_config_tests/test-01-basic-configuration.yaml
+```
+
+### 方案 2: 继续使用自动修复脚本（临时方案）
+
+如果不想修改 schema，可以继续使用自动修复：
+
+```bash
+# 使用现有的修复逻辑
+cd ~/workspaces/OpenMetadata
+python3 scripts/datamodel_generation.py
+
+# scripts/datamodel_generation.py 已包含 RootModel 自动修复
+```
+
+### 方案 3: 未来支持数组（长期方案）
+
+如果未来需要支持多个 owner（数组形式），需要：
+
+1. **更复杂的 Schema 定义**（使用 discriminator）
+2. **或者使用自定义 validator** 在 Python 代码中处理
+3. **或者等待 datamodel-code-generator 改进**
+
+## 📋 配置对比
+
+### 简化后支持的配置
+
+```yaml
+ownerConfig:
+  default: "data-platform-team"
+  
+  # ✅ 支持：字符串形式
+  database: "database-admin"
+  
+  # ✅ 支持：字典映射（单个字符串值）
+  database:
+    "sales_db": "sales-team"
+    "finance_db": "finance-team"
+  
+  databaseSchema:
+    "sales_db.public": "public-team"
+    "finance_db.accounting": "accounting-team"
+  
+  table:
+    "sales_db.public.orders": "order-team"
+    "finance_db.accounting.revenue": "revenue-team"
+  
+  enableInheritance: true
+```
+
+### 不再支持的配置
+
+```yaml
+ownerConfig:
+  # ❌ 不支持：数组形式（多个 owner）
+  database:
+    "sales_db": ["alice", "bob", "charlie"]  # ❌ 报错
+  
+  table:
+    "orders": ["user1", "user2"]  # ❌ 报错
+```
+
+**解决方法**: 如果需要多个 owner，选择其中一个主要负责人：
+```yaml
+# 从:
+database:
+  "sales_db": ["alice", "bob"]
+
+# 改为:
+database:
+  "sales_db": "alice"  # 选择主要负责人
+```
+
+## 🔧 测试配置更新
+
+由于简化后只支持单个 owner，需要更新测试配置：
+
+### Test 1-2, 5-6: 无需修改 ✅
+这些测试已经使用单个字符串，兼容新 schema
+
+### Test 3: Multiple Users → 改为单个 owner
+
+```yaml
+# 文件: test-03-multiple-users.yaml
+
+# 修改前:
+ownerConfig:
+  database:
+    "finance_db": ["alice", "bob"]
+  table:
+    "finance_db.accounting.revenue": ["charlie", "david", "emma"]
+    "finance_db.accounting.expenses": ["frank"]
+
+# 修改后:
+ownerConfig:
+  database:
+    "finance_db": "alice"  # ✅ 单个 owner
+  table:
+    "finance_db.accounting.revenue": "charlie"  # ✅
+    "finance_db.accounting.expenses": "frank"  # ✅
+```
+
+### Test 4: Validation → 简化验证场景
+
+```yaml
+# 文件: test-04-validation-errors.yaml
+
+# 修改前:
+ownerConfig:
+  database:
+    "finance_db": ["finance-team", "audit-team", "compliance-team"]
+  table:
+    "finance_db.accounting.revenue": ["alice", "bob", "finance-team"]
+
+# 修改后（测试其他验证场景）:
+ownerConfig:
+  database:
+    "finance_db": "finance-team"  # ✅ 单个 team
+  table:
+    "finance_db.accounting.revenue": "alice"  # ✅
+    "finance_db.accounting.budgets": "nonexistent-team"  # 测试不存在的 owner
+```
+
+### Test 7: Partial Success → 修改测试策略
+
+```yaml
+# 文件: test-07-partial-success.yaml
+
+# 修改前:
+ownerConfig:
+  table:
+    "finance_db.accounting.revenue": ["alice", "nonexistent-user-1", "bob"]
+
+# 修改后（测试不存在的单个 owner）:
+ownerConfig:
+  table:
+    "finance_db.accounting.revenue": "alice"  # ✅ 存在的 owner
+    "finance_db.accounting.budgets": "nonexistent-user-1"  # ✅ 测试不存在
+```
+
+### Test 8: Complex Mixed → 简化配置
+
+```yaml
+# 文件: test-08-complex-mixed.yaml
+
+# 修改前:
+ownerConfig:
+  database:
+    "marketing_db": ["marketing-user-1", "marketing-user-2"]
+  databaseSchema:
+    "finance_db.accounting": ["alice", "bob"]
+  table:
+    "finance_db.accounting.revenue": ["charlie", "david", "emma"]
+
+# 修改后:
+ownerConfig:
+  database:
+    "marketing_db": "marketing-user-1"  # ✅
+  databaseSchema:
+    "finance_db.accounting": "alice"  # ✅
+  table:
+    "finance_db.accounting.revenue": "charlie"  # ✅
+```
+
+## 📊 方案对比
+
+| 方案 | 优点 | 缺点 | 推荐度 |
+|------|------|------|--------|
+| **方案1: 简化Schema** | 彻底解决，无需修复脚本 | 不支持数组 | ⭐⭐⭐⭐⭐ |
+| **方案2: 自动修复** | 保持原schema，支持数组 | 每次生成都需要修复 | ⭐⭐⭐ |
+| **方案3: 等待改进** | 完美支持 | 时间不确定 | ⭐ |
+
+## ✅ 推荐实施
+
+**立即执行**（方案1）:
+
+```bash
+# 1. 使用简化的 schema
+cp /workspace/ownerConfig_optimized.json \
+   ~/workspaces/OpenMetadata/openmetadata-spec/src/main/resources/json/schema/type/ownerConfig.json
+
+# 2. 重新生成
+cd ~/workspaces/OpenMetadata/openmetadata-spec
+mvn clean install
+
+# 3. 重新安装
+cd ../ingestion
+pip install -e . --force-reinstall --no-deps
+
+# 4. 验证
+python3 -c "from metadata.generated.schema.type import ownerConfig; print('✅ Success')"
+
+# 5. 运行测试
+cd ..
+metadata ingest -c ingestion/tests/unit/metadata/ingestion/owner_config_tests/test-05-inheritance-enabled.yaml
+```
+
+## 🎯 总结
+
+**对于 Pydantic 2.11.9**:
+- ✅ 方案1（简化Schema）是最干净的解决方案
+- ✅ 完全兼容，无需额外修复脚本
+- ✅ 代码生成稳定可靠
+- ⚠️ 暂时牺牲数组支持（大多数场景单个owner已足够）
+
+**未来如需数组支持**:
+- 可以在 Python 代码层面实现（使用 validator）
+- 或者使用更复杂的 discriminated union schema
+- 或者等待 datamodel-code-generator 改进

ingestion/tests/unit/metadata/ingestion/owner_config_tests/test-03-multiple-users.yaml

@@ -1,13 +1,14 @@
 # ============================================
-# Test Case 03: Multiple Users Valid
+# Test Case 03: Database and Table Level Owners
 # ============================================
-# Test Scenario: Test multiple users as owners (valid scenario)
+# Test Scenario: Test specific database and table level owner assignment
 # Expected Results:
-#   - finance_db → 2 owners (alice, bob) - both must be type="user"
-#   - finance_db.accounting.revenue → 3 owners (charlie, david, emma) - all type="user"
-#   - finance_db.accounting.expenses → 1 owner (frank) - type="user"
+#   - finance_db → alice (user)
+#   - finance_db.accounting.revenue → charlie (user)
+#   - finance_db.accounting.expenses → frank (user)
+#   - Other entities → inherit or use default
 #
-# Note: This test validates that multiple USERS can be assigned as owners
+# Note: Modified for Pydantic 2.11.9 compatibility (single owner per entity)
 
 source:
   type: postgres
@@ -24,16 +25,16 @@ source:
     config:
       type: DatabaseMetadata
 
-      # Owner Configuration - Multiple users (valid)
+      # Owner Configuration - Single owner per entity
       ownerConfig:
         default: "data-platform-team"
 
         database:
-          "finance_db": ["alice", "bob"]  # 2 users
+          "finance_db": "alice"  # Single user
 
         table:
-          "finance_db.accounting.revenue": ["charlie", "david", "emma"]  # 3 users
-          "finance_db.accounting.expenses": ["frank"]  # 1 user in array (should work)
+          "finance_db.accounting.revenue": "charlie"  # Single user
+          "finance_db.accounting.expenses": "frank"  # Single user
 
         enableInheritance: true