#!/usr/bin/env python3
"""移除 test_item 表的 raw_data_fields 字段"""

import asyncio
from sqlalchemy.ext.asyncio import create_async_engine
from sqlalchemy import text

DB_CONFIG = {
    'host': '123.57.81.127',
    'port': 3306,
    'user': 'cpy_admin',
    'password': 'Tgzz2025+',
    'database': 'ruoyi-fastapi'
}

DATABASE_URL = (
    f"mysql+asyncmy://{DB_CONFIG['user']}:{DB_CONFIG['password']}@"
    f"{DB_CONFIG['host']}:{DB_CONFIG['port']}/{DB_CONFIG['database']}"
)

async def remove_field():
    engine = create_async_engine(DATABASE_URL, echo=False)
    
    async with engine.connect() as conn:
        print("=" * 80)
        print("Removing raw_data_fields from test_item")
        print("=" * 80)
        
        # 检查字段是否存在
        result = await conn.execute(text("DESCRIBE test_item"))
        columns = result.fetchall()
        column_names = [col[0] for col in columns]
        
        if 'raw_data_fields' in column_names:
            print("\n[1] Dropping raw_data_fields column...")
            await conn.execute(text("ALTER TABLE test_item DROP COLUMN raw_data_fields"))
            await conn.commit()
            print("  [OK] raw_data_fields removed")
        else:
            print("\n[1] raw_data_fields does not exist")
        
        # 验证
        print("\n[2] Verification:")
        result = await conn.execute(text("DESCRIBE test_item"))
        columns = result.fetchall()
        for col in columns:
            print(f"  {col[0]:<20} | {col[1]:<30}")
        
        print("\n" + "=" * 80)
    
    await engine.dispose()

if __name__ == '__main__':
    asyncio.run(remove_field())