34 lines
1.2 KiB
SQL
34 lines
1.2 KiB
SQL
-- 修复奖学金申请表缺失的create_dept字段
|
|
-- 问题: MyBatis-Plus插入数据时报错 Unknown column 'create_dept' in 'field list'
|
|
-- 原因: 数据库表缺少BaseEntity中的create_dept字段
|
|
-- 解决方案: 为jcbt_scholarship_application表添加create_dept字段
|
|
|
|
-- 检查字段是否存在，不存在则添加
|
|
SET @sql = '';
|
|
SELECT COUNT(*) INTO @col_exists
|
|
FROM information_schema.columns
|
|
WHERE table_schema = 'hzdyjs_xg'
|
|
AND table_name = 'jcbt_scholarship_application'
|
|
AND column_name = 'create_dept';
|
|
|
|
-- 如果字段不存在，则添加
|
|
SET @sql = IF(@col_exists = 0,
|
|
'ALTER TABLE jcbt_scholarship_application ADD COLUMN create_dept bigint(20) DEFAULT NULL COMMENT ''创建部门'' AFTER submit_time;',
|
|
'SELECT ''字段 create_dept 已存在，跳过添加'' AS message;');
|
|
|
|
PREPARE stmt FROM @sql;
|
|
EXECUTE stmt;
|
|
DEALLOCATE PREPARE stmt;
|
|
|
|
-- 验证字段是否添加成功
|
|
SELECT
|
|
COLUMN_NAME as '字段名',
|
|
DATA_TYPE as '数据类型',
|
|
IS_NULLABLE as '允许空值',
|
|
COLUMN_DEFAULT as '默认值',
|
|
COLUMN_COMMENT as '注释'
|
|
FROM information_schema.columns
|
|
WHERE table_schema = 'hzdyjs_xg'
|
|
AND table_name = 'jcbt_scholarship_application'
|
|
AND column_name = 'create_dept';
|