add backend source code

backend/check_enum.py

@@ -0,0 +1,37 @@
+"""检查数据库枚举类型"""
+import asyncio
+import asyncpg
+
+
+async def main():
+    conn = await asyncpg.connect(
+        'postgresql://postgresql:Jchl1528@192.168.110.252:15432/hospital_performance'
+    )
+    try:
+        # 检查枚举类型定义
+        result = await conn.fetch("""
+            SELECT t.typname, e.enumlabel 
+            FROM pg_type t 
+            JOIN pg_enum e ON t.oid = e.enumtypid  
+            WHERE t.typname = 'depttype'
+            ORDER BY e.enumsortorder
+        """)
+        print('DeptType 枚举值:')
+        for row in result:
+            print(f'  {row["enumlabel"]} ({len(row["enumlabel"])} chars)')
+            
+        # 检查 departments 表结构
+        result2 = await conn.fetch("""
+            SELECT column_name, data_type, character_maximum_length
+            FROM information_schema.columns
+            WHERE table_name = 'departments'
+        """)
+        print('\nDepartments 表结构:')
+        for row in result2:
+            print(f'  {row["column_name"]}: {row["data_type"]}({row["character_maximum_length"]})')
+    finally:
+        conn.terminate()
+
+
+if __name__ == '__main__':
+    asyncio.run(main())