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backend/sql/add_create_dept.sql

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+ALTER TABLE jcbt_scholarship_type ADD COLUMN create_dept BIGINT(20) COMMENT '创建部门' AFTER is_system;

backend/sql/add_create_dept_field.sql

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+-- 为 jcbt_scholarship_application 表添加 create_dept 字段
+-- 解决 MyBatis-Plus 插入数据时的字段缺失问题
+
+ALTER TABLE jcbt_scholarship_application
+ADD COLUMN create_dept bigint(20) DEFAULT NULL COMMENT '创建部门'
+AFTER submit_time;

backend/sql/debug_compatibility_type.sql

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+-- 调试compatibility_type字段问题
+-- 检查表结构
+DESCRIBE jcbt_scholarship_type;
+
+-- 检查字段是否存在
+SHOW COLUMNS FROM jcbt_scholarship_type LIKE 'compatibility_type';
+
+-- 查看具体数据
+SELECT id, type_name, compatibility_type,
+       CASE
+         WHEN compatibility_type IS NULL THEN 'NULL值'
+         WHEN compatibility_type = '' THEN '空字符串'
+         ELSE CONCAT('有值:', compatibility_type)
+       END as value_status
+FROM jcbt_scholarship_type
+WHERE deleted = 0
+LIMIT 10;
+
+-- 统计各种值的分布
+SELECT
+    compatibility_type,
+    COUNT(*) as count,
+    CASE
+      WHEN compatibility_type IS NULL THEN 'NULL值'
+      WHEN compatibility_type = '' THEN '空字符串'
+      ELSE '有效值'
+    END as value_type
+FROM jcbt_scholarship_type
+WHERE deleted = 0
+GROUP BY compatibility_type;

backend/sql/fix_compatibility_create_dept.sql

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+-- =====================================================
+-- 奖学金兼得关系表 - create_dept字段修复脚本
+-- 版本: v1.0
+-- 创建时间: 2025-01-27
+-- 问题描述: 实体类继承BaseEntity包含create_dept字段，但数据库表缺少该字段
+-- 解决方案: 为jcbt_scholarship_compatibility表添加create_dept字段
+-- =====================================================
+
+USE `ruoyi-vue-pro`;
+
+-- 为奖学金兼得关系表添加create_dept字段
+ALTER TABLE `jcbt_scholarship_compatibility`
+ADD COLUMN IF NOT EXISTS `create_dept` BIGINT(20) COMMENT '创建部门'
+AFTER `description`;
+
+-- 验证字段添加结果
+SELECT
+    COLUMN_NAME,
+    DATA_TYPE,
+    IS_NULLABLE,
+    COLUMN_DEFAULT,
+    COLUMN_COMMENT
+FROM INFORMATION_SCHEMA.COLUMNS
+WHERE TABLE_SCHEMA = 'ruoyi-vue-pro'
+  AND TABLE_NAME = 'jcbt_scholarship_compatibility'
+  AND COLUMN_NAME = 'create_dept';
+
+-- 显示表结构确认修复结果
+DESCRIBE `jcbt_scholarship_compatibility`;
+
+-- =====================================================
+-- 修复说明：
+-- 1. 该字段是BaseEntity的标准字段，用于记录创建部门
+-- 2. 字段类型为BIGINT(20)，允许NULL，与其他表保持一致
+-- 3. 字段位置放在description字段之后，符合标准字段顺序
+-- =====================================================

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';