提交代码

backend/sql/fix_jcbt_scholarship_application_create_dept.sql

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+-- 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';