76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
#!/usr/bin/env python3
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"""
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数据库迁移脚本：为采购订单表添加状态变更时间字段
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- received_date: 实际到货时间
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- paid_date: 实际付款时间
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"""
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import asyncio
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import sys
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from pathlib import Path
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project_root = Path(__file__).parent
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sys.path.insert(0, str(project_root))
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sys.path.insert(0, str(project_root / "src"))
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from sqlalchemy.ext.asyncio import create_async_engine
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from sqlalchemy import text
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from config.settings import settings
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async def migrate():
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"""执行数据库迁移"""
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if not settings.DATABASE_URL:
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print("错误：未配置数据库连接")
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return
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engine = create_async_engine(
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settings.DATABASE_URL,
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echo=True
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)
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async with engine.begin() as conn:
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# 检查字段是否已存在
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check_sql = """
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SELECT column_name
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FROM information_schema.columns
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WHERE table_name = 'purchase_orders'
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AND column_name = 'received_date'
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"""
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result = await conn.execute(text(check_sql))
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if result.fetchone():
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print("字段 received_date 已存在，跳过")
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else:
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# 添加实际到货时间字段
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alter_sql = """
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ALTER TABLE purchase_orders
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ADD COLUMN received_date TIMESTAMP WITHOUT TIME ZONE
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"""
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await conn.execute(text(alter_sql))
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print("成功添加字段 received_date")
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# 检查 paid_date 字段是否已存在
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check_sql2 = """
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SELECT column_name
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FROM information_schema.columns
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WHERE table_name = 'purchase_orders'
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AND column_name = 'paid_date'
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"""
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result2 = await conn.execute(text(check_sql2))
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if result2.fetchone():
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print("字段 paid_date 已存在，跳过")
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else:
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# 添加实际付款时间字段
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alter_sql2 = """
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ALTER TABLE purchase_orders
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ADD COLUMN paid_date TIMESTAMP WITHOUT TIME ZONE
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"""
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await conn.execute(text(alter_sql2))
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print("成功添加字段 paid_date")
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await engine.dispose()
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print("迁移完成")
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if __name__ == "__main__":
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asyncio.run(migrate())
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