9 lines
338 B
MySQL
9 lines
338 B
MySQL
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-- 添加消息编辑相关字段
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ALTER TABLE nf_chat_message
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ADD COLUMN is_edited TINYINT(1) DEFAULT 0 COMMENT '是否被编辑过',
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ADD COLUMN original_content TEXT COMMENT '原始内容',
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ADD COLUMN edited_at DATETIME COMMENT '编辑时间';
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-- 添加索引
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CREATE INDEX idx_message_edited ON nf_chat_message(is_edited, session_id);
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