articlesUserStat

type Entity struct {
	Id uint64 `gorm:"primaryKey;column:id;autoIncrement;not null;" json:"id"`
	// 联合唯一索引 idx_article_user 用于 Upsert (On Conflict) 定位
	// 联合索引 idx_active_query 用于高性能获取前 5 名活跃用户
	ArticleId uint64 `` /* 145-byte string literal not displayed */
	UserId    uint64 `gorm:"column:user_id;type:bigint unsigned;not null;uniqueIndex:idx_article_user,priority:2" json:"userId"`

	// 计数器和时间，用于排序
	ReplyCount  uint32    `gorm:"column:reply_count;type:int unsigned;not null;default:0;index:idx_active_query,priority:2" json:"replyCount"`
	LastReplyAt time.Time `` /* 129-byte string literal not displayed */

	CreatedAt time.Time `gorm:"column:created_at;autoCreateTime;<-:create;" json:"createdAt"`
	UpdatedAt time.Time `gorm:"column:updated_at;autoUpdateTime;" json:"updatedAt"`
}