基本完成，修复细节

tradeCattle/delete_all_delivery_triggers.sql

@@ -0,0 +1,38 @@
+-- ==========================================
+-- 删除 delivery 表的所有触发器
+-- ==========================================
+
+USE cattletrade;
+
+-- 查看所有 delivery 相关触发器
+SELECT '当前 delivery 表的触发器:' as '状态';
+SHOW TRIGGERS WHERE `Table` = 'delivery';
+
+-- 删除所有可能的触发器变体
+DROP TRIGGER IF EXISTS trg_delivery_fill_from_driver;
+DROP TRIGGER IF EXISTS `trg_delivery_fill_from_driver`;
+
+-- 如果有 UPDATE 版本的触发器
+DROP TRIGGER IF EXISTS trg_delivery_fill_from_driver_update;
+DROP TRIGGER IF EXISTS trg_delivery_update_from_driver;
+
+-- 查询数据库中所有包含 delivery 的触发器名称
+SELECT TRIGGER_NAME 
+FROM INFORMATION_SCHEMA.TRIGGERS 
+WHERE TRIGGER_SCHEMA = 'cattletrade' 
+  AND EVENT_OBJECT_TABLE = 'delivery';
+
+-- 验证是否还有触发器
+SELECT '删除后的触发器列表:' as '状态';
+SHOW TRIGGERS WHERE `Table` = 'delivery';
+
+-- 最终验证：确认没有触发器引用 car_number
+SELECT '检查是否还有触发器引用 car_number:' as '状态';
+SELECT 
+    TRIGGER_NAME,
+    EVENT_MANIPULATION,
+    EVENT_OBJECT_TABLE
+FROM INFORMATION_SCHEMA.TRIGGERS
+WHERE TRIGGER_SCHEMA = 'cattletrade'
+  AND ACTION_STATEMENT LIKE '%car_number%';
+