79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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检查car_owners表的约束条件
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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('constraints_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 check_car_owners_constraints():
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"""
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检查car_owners表的约束条件
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"""
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logger.info("开始检查car_owners表的约束条件")
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try:
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conn = sqlite3.connect(db_path)
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cursor = conn.cursor()
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# 检查表的唯一约束
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cursor.execute("PRAGMA index_list(car_owners)")
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indexes = cursor.fetchall()
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logger.info("car_owners表的索引列表:")
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for index in indexes:
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index_id, name, unique, origin, partial = index
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logger.info(f"索引ID: {index_id}, 名称: {name}, 唯一: {unique}, 来源: {origin}, 部分索引: {partial}")
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# 获取索引的列信息
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if name:
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cursor.execute(f"PRAGMA index_info({name})")
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index_columns = cursor.fetchall()
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logger.info(f"索引 {name} 的列信息:")
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for col in index_columns:
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col_id, seq_no, col_name = col
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logger.info(f"列ID: {col_id}, 序列号: {seq_no}, 列名: {col_name}")
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# 获取表的创建语句（如果可能）
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cursor.execute("SELECT sql FROM sqlite_master WHERE type='table' AND name='car_owners'")
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create_sql = cursor.fetchone()
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if create_sql:
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logger.info(f"car_owners表的创建语句: {create_sql[0]}")
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else:
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logger.warning("无法获取car_owners表的创建语句")
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# 关闭数据库连接
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conn.close()
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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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def main():
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"""
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主函数
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"""
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logger.info("开始检查数据库约束")
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# 检查car_owners表的约束条件
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check_car_owners_constraints()
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logger.info("数据库约束检查完成")
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if __name__ == "__main__":
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main() |