76 lines
2.2 KiB
SQL
76 lines
2.2 KiB
SQL
-- ================================================================
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-- 贫困生认定申请表teacher_name字段修复脚本
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-- 文件: database_fix_teacher_name_field.sql
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-- 功能: 添加缺失的teacher_name字段
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-- ================================================================
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USE hzdyjs_xg;
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-- 1. 检查并添加 teacher_name 字段
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SELECT '开始检查 teacher_name 字段...' AS message;
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-- 检查字段是否存在
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SELECT
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COLUMN_NAME,
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IS_NULLABLE,
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COLUMN_DEFAULT,
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DATA_TYPE
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = 'hzdyjs_xg'
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AND TABLE_NAME = 'jcbt_poverty_application'
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AND COLUMN_NAME = 'teacher_name';
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-- 添加 teacher_name 字段（如果不存在）
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SET @sql = '';
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SELECT COUNT(*) INTO @count
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = 'hzdyjs_xg'
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AND TABLE_NAME = 'jcbt_poverty_application'
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AND COLUMN_NAME = 'teacher_name';
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SELECT IF(@count = 0,
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'ALTER TABLE jcbt_poverty_application ADD COLUMN teacher_name varchar(100) NULL COMMENT ''班主任教师姓名'' AFTER teacher_id;',
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'SELECT ''teacher_name 字段已存在'' AS result;'
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) INTO @sql;
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SELECT '✅ teacher_name 字段检查完成' AS message;
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-- 2. 验证修复结果
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SELECT '=== 修复结果验证 ===' AS message;
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-- 显示teacher相关字段信息
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SELECT
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COLUMN_NAME AS '字段名',
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DATA_TYPE AS '数据类型',
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IS_NULLABLE AS '允许NULL',
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COLUMN_DEFAULT AS '默认值',
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COLUMN_COMMENT AS '注释'
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = 'hzdyjs_xg'
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AND TABLE_NAME = 'jcbt_poverty_application'
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AND COLUMN_NAME LIKE '%teacher%'
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ORDER BY ORDINAL_POSITION;
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-- 3. 显示完整表结构确认
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SELECT '=== 班级相关字段确认 ===' AS message;
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SELECT
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COLUMN_NAME AS '字段名',
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DATA_TYPE AS '数据类型',
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IS_NULLABLE AS '允许NULL',
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COLUMN_COMMENT AS '注释'
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = 'hzdyjs_xg'
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AND TABLE_NAME = 'jcbt_poverty_application'
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AND COLUMN_NAME IN (
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'class_id', 'class_name', 'teacher_id', 'teacher_name'
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)
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ORDER BY ORDINAL_POSITION;
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SELECT '🎉 teacher_name字段修复操作完成！' AS message;
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SELECT '📝 请重启后端服务以生效！' AS note;
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