corp20250923

check_car_owners_constraints.py

@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+
+"""
+检查car_owners表的约束条件
+"""
+
+import sqlite3
+import logging
+
+# 配置日志
+handlers = [logging.FileHandler('constraints_check.log'), logging.StreamHandler()]
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(levelname)s - %(message)s',
+    handlers=handlers
+)
+logger = logging.getLogger(__name__)
+
+# 数据库文件路径
+db_path = 'car_info.db'
+
+def check_car_owners_constraints():
+    """
+    检查car_owners表的约束条件
+    """
+    logger.info("开始检查car_owners表的约束条件")
+    
+    try:
+        conn = sqlite3.connect(db_path)
+        cursor = conn.cursor()
+        
+        # 检查表的唯一约束
+        cursor.execute("PRAGMA index_list(car_owners)")
+        indexes = cursor.fetchall()
+        
+        logger.info("car_owners表的索引列表:")
+        for index in indexes:
+            index_id, name, unique, origin, partial = index
+            logger.info(f"索引ID: {index_id}, 名称: {name}, 唯一: {unique}, 来源: {origin}, 部分索引: {partial}")
+            
+            # 获取索引的列信息
+            if name:
+                cursor.execute(f"PRAGMA index_info({name})")
+                index_columns = cursor.fetchall()
+                logger.info(f"索引 {name} 的列信息:")
+                for col in index_columns:
+                    col_id, seq_no, col_name = col
+                    logger.info(f"列ID: {col_id}, 序列号: {seq_no}, 列名: {col_name}")
+        
+        # 获取表的创建语句（如果可能）
+        cursor.execute("SELECT sql FROM sqlite_master WHERE type='table' AND name='car_owners'")
+        create_sql = cursor.fetchone()
+        
+        if create_sql:
+            logger.info(f"car_owners表的创建语句: {create_sql[0]}")
+        else:
+            logger.warning("无法获取car_owners表的创建语句")
+        
+        # 关闭数据库连接
+        conn.close()
+        
+    except sqlite3.Error as e:
+        logger.error(f"数据库操作失败: {str(e)}")
+    except Exception as e:
+        logger.error(f"程序执行出错: {str(e)}")
+
+def main():
+    """
+    主函数
+    """
+    logger.info("开始检查数据库约束")
+    
+    # 检查car_owners表的约束条件
+    check_car_owners_constraints()
+    
+    logger.info("数据库约束检查完成")
+
+if __name__ == "__main__":
+    main()