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cattleTransportation/tradeCattle/database_migration_add_id_card_field.sql

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2025-10-21 09:01:11 +08:00
-- =============================================
-- 数据库迁移脚本:为 member_driver 表添加 id_card 字段
-- 用途:存储司机身份证前后面照片地址
-- 创建时间2025-10-20
-- =============================================
-- 检查字段是否已存在,如果不存在则添加
SET @sql = (
SELECT IF(
(SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = DATABASE()
AND TABLE_NAME = 'member_driver'
AND COLUMN_NAME = 'id_card') = 0,
'ALTER TABLE member_driver ADD COLUMN id_card TEXT COMMENT ''身份证前后面照片地址多个URL用逗号分隔'' AFTER car_img;',
'SELECT ''字段 id_card 已存在,无需添加'' AS message;'
)
);
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
-- 显示表结构确认字段已添加
DESCRIBE member_driver;
-- 显示添加结果
SELECT 'id_card 字段添加完成' AS result;