76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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检查car_owners表的结构，确认query_history_id字段是否正确添加
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"""
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import sqlite3
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import logging
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# 配置日志
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handlers = [logging.FileHandler('db_check.log'), logging.StreamHandler()]
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(levelname)s - %(message)s',
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handlers=handlers
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)
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logger = logging.getLogger(__name__)
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# 数据库文件路径
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db_path = 'car_info.db'
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def main():
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"""
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主函数：连接数据库并检查car_owners表的结构
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"""
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logger.info("开始检查car_owners表的结构")
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try:
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# 连接数据库
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conn = sqlite3.connect(db_path)
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cursor = conn.cursor()
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# 检查car_owners表的结构
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cursor.execute("PRAGMA table_info(car_owners)")
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columns = cursor.fetchall()
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logger.info("car_owners表的字段信息:")
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for column in columns:
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logger.info(f"字段ID: {column[0]}, 字段名: {column[1]}, 数据类型: {column[2]}, 非空约束: {column[3]}, 默认值: {column[4]}, 主键: {column[5]}")
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# 检查外键约束
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cursor.execute("PRAGMA foreign_key_list(car_owners)")
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foreign_keys = cursor.fetchall()
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logger.info("car_owners表的外键约束:")
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for fk in foreign_keys:
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logger.info(f"ID: {fk[0]}, 列名: {fk[3]}, 引用表: {fk[2]}, 引用列: {fk[4]}")
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# 检查query_history_id字段是否存在
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has_query_history_id = any(column[1] == 'query_history_id' for column in columns)
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if has_query_history_id:
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logger.info("car_owners表已成功添加query_history_id字段")
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else:
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logger.warning("car_owners表中不存在query_history_id字段")
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# 检查query_history表是否存在
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cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='query_history'")
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query_history_exists = cursor.fetchone() is not None
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if query_history_exists:
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logger.info("query_history表存在")
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else:
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logger.error("query_history表不存在，外键约束无法建立")
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# 关闭数据库连接
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conn.close()
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logger.info("数据库连接已关闭，检查完成")
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except sqlite3.Error as e:
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logger.error(f"数据库操作失败: {str(e)}")
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except Exception as e:
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logger.error(f"程序执行出错: {str(e)}")
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if __name__ == "__main__":
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main() |