63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
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"""手动添加 baodan_conversation_id 字段到会话表"""
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import psycopg2
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# 数据库连接配置
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DB_CONFIG = {
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"host": "localhost",
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"port": 5432,
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"database": "baodan",
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"user": "postgres",
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"password": "taiyi1224",
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}
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def add_column():
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"""添加 baodan_conversation_id 字段。"""
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conn = None
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try:
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# 连接数据库
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conn = psycopg2.connect(**DB_CONFIG)
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cur = conn.cursor()
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# 检查字段是否已存在
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cur.execute("""
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SELECT column_name
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FROM information_schema.columns
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WHERE table_name = 'insurance_chat_sessions'
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AND column_name = 'baodan_conversation_id'
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""")
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if cur.fetchone():
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print("字段 baodan_conversation_id 已存在，跳过添加")
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return
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# 添加新字段
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cur.execute("""
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ALTER TABLE insurance_chat_sessions
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ADD COLUMN baodan_conversation_id VARCHAR(128) NULL
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""")
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conn.commit()
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print("成功添加 baodan_conversation_id 字段")
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# 验证字段已添加
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cur.execute("""
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SELECT column_name, data_type, is_nullable
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FROM information_schema.columns
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WHERE table_name = 'insurance_chat_sessions'
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AND column_name = 'baodan_conversation_id'
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""")
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result = cur.fetchone()
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if result:
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print(f"验证成功: 字段={result[0]}, 类型={result[1]}, 可为空={result[2]}")
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except Exception as e:
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print(f"添加字段失败: {e}")
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if conn:
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conn.rollback()
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raise
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finally:
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if conn:
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conn.close()
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if __name__ == "__main__":
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add_column()
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