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- -- 为 user_day_statistics 表添加新字段的迁移脚本
- -- 执行日期: 2026-01-28
- USE media_manager;
- -- 添加新字段
- ALTER TABLE user_day_statistics
- ADD COLUMN play_count INT DEFAULT 0 COMMENT '播放数' AFTER works_count,
- ADD COLUMN comment_count INT DEFAULT 0 COMMENT '评论数' AFTER play_count,
- ADD COLUMN fans_increase INT DEFAULT 0 COMMENT '涨粉数' AFTER comment_count,
- ADD COLUMN like_count INT DEFAULT 0 COMMENT '点赞数' AFTER fans_increase,
- ADD COLUMN cover_click_rate DECIMAL(10,4) DEFAULT 0 COMMENT '封面点击率' AFTER like_count,
- ADD COLUMN avg_watch_duration DECIMAL(10,2) DEFAULT 0 COMMENT '平均观看时长（秒）' AFTER cover_click_rate,
- ADD COLUMN total_watch_duration BIGINT DEFAULT 0 COMMENT '观看总时长（秒）' AFTER avg_watch_duration,
- ADD COLUMN completion_rate DECIMAL(10,4) DEFAULT 0 COMMENT '视频完播率' AFTER total_watch_duration;
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