package mysqlmodel type Collect struct { Model // CollectType 业务类型 1=社区穿搭;与 TargetID、UserID 组成联合唯一索引,支撑收藏/取消收藏 upsert。 CollectType int8 `gorm:"column:collect_type;uniqueIndex:uk_collect_user_target,priority:1"` TargetID int64 `gorm:"column:target_id;uniqueIndex:uk_collect_user_target,priority:2"` // 业务目标ID UserID int64 `gorm:"column:user_id;uniqueIndex:uk_collect_user_target,priority:3"` // 收藏用户ID Status int8 `gorm:"column:status"` // 状态 1=已收藏 0=已取消 } func (Collect) TableName() string { return "collects" }