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// Python 示例代码：从数据库获取数据并格式化

import sqlite3

def fetch_data_from_db():

conn = sqlite3.connect('unified_message_system.db')

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cursor = conn.cursor()

cursor.execute("SELECT * FROM tender_documents")

data = cursor.fetchall()

conn.close()

return data

def format_data_for_tender(data):

formatted_data = []

for item in data:

formatted_item = {

"project_name": item[1],

"budget": item[2],

"deadline": item[3]

}

formatted_data.append(formatted_item)

return formatted_data

data = fetch_data_from_db()

tender_documents = format_data_for_tender(data)

print(tender_documents)

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// SQL 示例代码：创建触发器以自动更新数据

CREATE TRIGGER update_tender_doc AFTER INSERT ON tender_documents

BEGIN

UPDATE tender_documents SET last_updated = CURRENT_TIMESTAMP WHERE id = NEW.id;

END;

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