21 lines
864 B
MySQL
21 lines
864 B
MySQL
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-- 为tb_resource表添加知识库相关字段
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-- 执行前请确认数据库连接正确
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USE school_news;
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-- 添加知识库相关字段
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ALTER TABLE `tb_resource`
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ADD COLUMN `is_in_knowledge` TINYINT(1) DEFAULT 0 COMMENT '是否已导入知识库' AFTER `is_banner`,
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ADD COLUMN `knowledge_file_id` VARCHAR(50) DEFAULT NULL COMMENT '知识库文件ID' AFTER `is_in_knowledge`,
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ADD COLUMN `knowledge_import_time` TIMESTAMP NULL DEFAULT NULL COMMENT '知识库导入时间' AFTER `knowledge_file_id`;
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-- 添加索引
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ALTER TABLE `tb_resource` ADD INDEX `idx_is_in_knowledge` (`is_in_knowledge`);
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-- 验证字段添加成功
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SELECT COLUMN_NAME, COLUMN_TYPE, COLUMN_COMMENT
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = 'school_news'
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AND TABLE_NAME = 'tb_resource'
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AND COLUMN_NAME IN ('is_in_knowledge', 'knowledge_file_id', 'knowledge_import_time');
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